touch/novatek: Update logs tag

Bug: 242559052
Test: check logs on device
Change-Id: I09957a96fb1f06c07cb9dfbbd89f379de5fb4ab9
Signed-off-by: Super Liu <supercjliu@google.com>

7 files changed, 217 insertions, 225 deletions

diff --git a/nt36xxx/nt36xxx.c b/nt36xxx/nt36xxx.c
index dee8ecf..2ce9dd1 100644
--- a/nt36xxx/nt36xxx.c
+++ b/nt36xxx/nt36xxx.c
@@ -250,7 +250,7 @@ static int nvt_pinctrl_configure(struct nvt_ts_data *ts, bool enable)
 		return -EINVAL;
 	}
 
-	NVT_LOG("%s\n", enable ? "ACTIVE" : "SUSPEND");
+	NVT_LOGI("%s\n", enable ? "ACTIVE" : "SUSPEND");
 
 	if (enable) {
 		state = pinctrl_lookup_state(ts->pinctrl, "ts_active");
@@ -642,7 +642,7 @@ void nvt_bootloader_reset(void)
 		nvt_write_addr(SPI_RD_FAST_ADDR, 0x00);
 	}
 
-	NVT_LOG("end\n");
+	NVT_LOGD("end\n");
 }
 
 /*******************************************************
@@ -1060,15 +1060,10 @@ static int32_t nvt_flash_proc_init(void)
 {
 	NVT_proc_entry = proc_create(NVT_DEVICE_NAME, 0444, NULL, &nvt_flash_fops);
 	if (NVT_proc_entry == NULL) {
-		NVT_ERR("Failed!\n");
+		NVT_LOGE("Failed!\n");
 		return -ENOMEM;
-	} else {
-		NVT_LOG("Succeeded!\n");
 	}
-
-	NVT_LOG("============================================================\n");
 	NVT_LOG("Create /proc/%s\n", NVT_DEVICE_NAME);
-	NVT_LOG("============================================================\n");
 
 	return 0;
 }
@@ -2357,7 +2352,7 @@ static int32_t nvt_ts_probe(struct spi_device *client)
 	uint32_t mt_touch_major_res = 0, mt_pos_x_res = 0, mt_pos_y_res = 0;
 #endif
 
-	NVT_LOG("start\n");
+	NVT_LOGI("start\n");
 
 	ts = (struct nvt_ts_data *)kzalloc(sizeof(struct nvt_ts_data), GFP_KERNEL);
 	if (ts == NULL) {
@@ -2770,7 +2765,7 @@ static int32_t nvt_ts_probe(struct spi_device *client)
 	ts->bTouchIsAwake = true;
 	ts->pen_format_id = 0xFF;
 
-	NVT_LOG("end\n");
+	NVT_LOGD("end\n");
 
 	nvt_irq_enable(true);
 
@@ -3086,7 +3081,7 @@ int nvt_ts_suspend(struct device *dev)
 
 	mutex_lock(&ts->lock);
 
-	NVT_LOG("start\n");
+	NVT_LOGD("start\n");
 	/* Initialize heatmap_host_cmd to force sending again after resume. */
 	ts->heatmap_host_cmd = HEATMAP_HOST_CMD_DISABLE;
 
@@ -3175,7 +3170,7 @@ int nvt_ts_suspend(struct device *dev)
 	msleep(50);
 #endif
 
-	NVT_LOG("end\n");
+	NVT_LOGD("end\n");
 
 	return 0;
 }
@@ -3196,7 +3191,7 @@ int nvt_ts_resume(struct device *dev)
 
 	mutex_lock(&ts->lock);
 
-	NVT_LOG("start\n");
+	NVT_LOGD("start\n");
 #if defined(CONFIG_SOC_GOOGLE)
 	nvt_pinctrl_configure(ts, true);
 	usleep_range(NVT_PINCTRL_US_DELAY, NVT_PINCTRL_US_DELAY + 1);
@@ -3281,7 +3276,7 @@ int nvt_ts_resume(struct device *dev)
 	complete_all(&ts->bus_resumed);
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("end\n");
+	NVT_LOGD("end\n");
 
 	return 0;
 }
@@ -3471,8 +3466,6 @@ static int32_t __init nvt_driver_init(void)
 {
 	int32_t ret = 0;
 
-	NVT_LOG("start\n");
-
 	//---add spi driver---
 	ret = spi_register_driver(&nvt_spi_driver);
 	if (ret) {
@@ -3480,7 +3473,7 @@ static int32_t __init nvt_driver_init(void)
 		goto err_driver;
 	}
 
-	NVT_LOG("finished\n");
+	NVT_LOGI("finished\n");
 
 err_driver:
 	return ret;
diff --git a/nt36xxx/nt36xxx.h b/nt36xxx/nt36xxx.h
index f91ff8c..a6beede 100644
--- a/nt36xxx/nt36xxx.h
+++ b/nt36xxx/nt36xxx.h
@@ -70,13 +70,14 @@
 
 //---SPI driver info.---
 #define NVT_SPI_NAME "NVT-ts"
-
-#define NVT_DBG(fmt, args...)    pr_debug("[%s] %s %d: " fmt, NVT_SPI_NAME,\
-					__func__, __LINE__, ##args)
-#define NVT_LOG(fmt, args...)    pr_info("[%s] %s %d: " fmt, NVT_SPI_NAME,\
-					__func__, __LINE__, ##args)
-#define NVT_ERR(fmt, args...)    pr_err("[%s] %s %d: " fmt, NVT_SPI_NAME,\
-					__func__, __LINE__, ##args)
+#undef pr_fmt
+#define pr_fmt(fmt) "gtd: NVT-ts: " fmt
+#define NVT_DBG(fmt, args...)  pr_debug(fmt, ##args)
+#define NVT_LOG(fmt, args...)  pr_info(fmt, ##args)
+#define NVT_ERR(fmt, args...)  pr_err(fmt, ##args)
+#define NVT_LOGD(fmt, args...) NVT_DBG("%s: "fmt, __func__, ##args)
+#define NVT_LOGI(fmt, args...) NVT_LOG("%s: "fmt, __func__, ##args)
+#define NVT_LOGE(fmt, args...) NVT_ERR("%s: "fmt, __func__, ##args)
 
 //---Input device info.---
 #define NVT_TS_NAME "NVTCapacitiveTouchScreen"
diff --git a/nt36xxx/nt36xxx_ext_api.c b/nt36xxx/nt36xxx_ext_api.c
index d8ef7c5..4e09334 100644
--- a/nt36xxx/nt36xxx_ext_api.c
+++ b/nt36xxx/nt36xxx_ext_api.c
@@ -137,7 +137,7 @@ static ssize_t nvt_get_mode_history_show(struct device *dev,
 	uint8_t spi_buf[65] = {0};
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
@@ -145,11 +145,11 @@ static ssize_t nvt_get_mode_history_show(struct device *dev,
 	nvt_set_page(GET_MODE_HISTORY_ADDR);
 	spi_buf[0] = GET_MODE_HISTORY_ADDR & 0x7F;
 	CTP_SPI_READ(ts->client, spi_buf, 65);
-	ret = snprintf(buf, PAGE_SIZE, "%*ph\n", 64, &spi_buf[1]);
+	ret = sysfs_emit(buf, "%*ph\n", 64, &spi_buf[1]);
 	nvt_set_page(ts->mmap->EVENT_BUF_ADDR);
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -159,16 +159,16 @@ static ssize_t nvt_palm_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = PALM_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -180,7 +180,7 @@ static ssize_t nvt_palm_mode_store(struct device *dev,
 	uint16_t cmd_test_bit = PALM_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -211,7 +211,7 @@ static ssize_t nvt_palm_mode_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -222,16 +222,16 @@ static ssize_t nvt_high_sensi_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = HIGH_SENSI_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -243,7 +243,7 @@ static ssize_t nvt_high_sensi_mode_store(struct device *dev,
 	uint16_t cmd_test_bit = HIGH_SENSI_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -274,7 +274,7 @@ static ssize_t nvt_high_sensi_mode_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -286,7 +286,7 @@ static ssize_t nvt_touch_idle_mode_show(struct device *dev,
 	uint8_t spi_buf[2] = {0};
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
@@ -298,27 +298,27 @@ static ssize_t nvt_touch_idle_mode_show(struct device *dev,
 	switch (mode) {
 	case 0x3:
 		NVT_LOG("normal active mode\n"); // Active mode
-		ret = snprintf(buf, PAGE_SIZE, "%s\n", "Normal_Active");
+		ret = sysfs_emit(buf, "%s\n", "Normal_Active");
 		break;
 	case 0x4:
 	case 0x6:
 		NVT_LOG("normal idle mode\n"); // Idle mode
-		ret = snprintf(buf, PAGE_SIZE, "%s\n", "Normal_Idle");
+		ret = sysfs_emit(buf, "%s\n", "Normal_Idle");
 		break;
 	case 0xA:
 		NVT_LOG("low power active mode\n"); // WKG mode
-		ret = snprintf(buf, PAGE_SIZE, "%s\n", "LowPower_Active");
+		ret = sysfs_emit(buf, "%s\n", "LowPower_Active");
 		break;
 	case 0x9:
 	case 0xB:
 		NVT_LOG("low power idle mode\n"); // FDM mode
-		ret = snprintf(buf, PAGE_SIZE, "%s\n", "LowPower_Idle");
+		ret = sysfs_emit(buf, "%s\n", "LowPower_Idle");
 		break;
 	}
 	nvt_set_page(ts->mmap->EVENT_BUF_ADDR);
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -330,7 +330,7 @@ static ssize_t nvt_touch_idle_mode_store(struct device *dev,
 	uint16_t cmd_test_bit = TOUCH_IDLE_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -361,7 +361,7 @@ static ssize_t nvt_touch_idle_mode_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -371,17 +371,15 @@ static ssize_t nvt_heatmap_data_type_show(struct device *dev,
 {
 	int32_t ret = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret += scnprintf(buf, PAGE_SIZE, "type: %d, host_cmd: %x, host_cmd_addr: %x.\n",
-		ts->heatmap_data_type, ts->heatmap_host_cmd, ts->heatmap_host_cmd_addr);
-
+	ret += sysfs_emit(buf, "%d\n", ts->heatmap_data_type);
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -391,7 +389,7 @@ static ssize_t nvt_heatmap_data_type_store(struct device *dev,
 {
 	uint8_t type;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &type) || type >= HEATMAP_DATA_TYPE_UNSUPPORTED)
 		return -EINVAL;
@@ -423,7 +421,7 @@ static ssize_t nvt_heatmap_data_type_store(struct device *dev,
 	}
 
 	ts->heatmap_data_type = type;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -433,7 +431,7 @@ static ssize_t nvt_heatmap_touch_threshold_show(struct device *dev,
 	uint8_t spi_buf[2] = {0};
 	int32_t ret = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
@@ -441,12 +439,12 @@ static ssize_t nvt_heatmap_touch_threshold_show(struct device *dev,
 	nvt_set_page(GET_HM_TOUCH_TH_ADDR);
 	spi_buf[0] = GET_HM_TOUCH_TH_ADDR & 0x7F;
 	CTP_SPI_READ(ts->client, spi_buf, sizeof(spi_buf));
-	ret += scnprintf(buf, PAGE_SIZE, "%d\n", spi_buf[1]);
+	ret += sysfs_emit(buf, "%d\n", spi_buf[1]);
 	nvt_set_page(ts->mmap->EVENT_BUF_ADDR);
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -456,7 +454,7 @@ static ssize_t nvt_heatmap_touch_threshold_store(struct device *dev,
 	uint8_t spi_buf[3] = {EVENT_MAP_HOST_CMD, 0x70, 0};
 	uint8_t hm_touch_th = 0, hm_touch_th_lvl = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &hm_touch_th) ||
 		hm_touch_th < TOUCH_HEATMAP_TH_MIN ||
@@ -491,7 +489,7 @@ static ssize_t nvt_heatmap_touch_threshold_store(struct device *dev,
 
 	NVT_LOG("request %d as threshold, FW adjust to %d(lvl: %d) by design.\n",
 		hm_touch_th, spi_buf[1], hm_touch_th_lvl);
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return count;
 }
@@ -502,16 +500,16 @@ static ssize_t nvt_cont_report_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = CONT_REPORT_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -523,7 +521,7 @@ static ssize_t nvt_cont_report_mode_store(struct device *dev,
 	uint16_t cmd_test_bit = CONT_REPORT_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -556,7 +554,7 @@ static ssize_t nvt_cont_report_mode_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -567,16 +565,16 @@ static ssize_t nvt_noise_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = NOISE_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -588,7 +586,7 @@ static ssize_t nvt_noise_mode_store(struct device *dev,
 	uint16_t cmd_test_bit = NOISE_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -621,7 +619,7 @@ static ssize_t nvt_noise_mode_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -632,16 +630,16 @@ static ssize_t nvt_water_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = WATER_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -653,7 +651,7 @@ static ssize_t nvt_water_mode_store(struct device *dev,
 	uint16_t cmd_test_bit = WATER_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -686,7 +684,7 @@ static ssize_t nvt_water_mode_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -697,7 +695,7 @@ static ssize_t nvt_sw_reset_store(struct device *dev,
 {
 	uint8_t mode;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode != CMD_ENABLE)
 		return -EINVAL;
@@ -708,7 +706,7 @@ static ssize_t nvt_sw_reset_store(struct device *dev,
 	nvt_update_firmware(get_fw_name(), 1);
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return count;
 }
@@ -720,7 +718,7 @@ static ssize_t nvt_sensing_store(struct device *dev,
 	uint8_t spi_buf[3] = {0}, mode;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -752,7 +750,7 @@ static ssize_t nvt_sensing_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -764,7 +762,7 @@ static ssize_t nvt_freq_hopping_store(struct device *dev,
 	uint8_t spi_buf[4] = {0}, mode;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > MODE_4 || (mode == 0))
 		return -EINVAL;
@@ -829,7 +827,7 @@ static ssize_t nvt_freq_hopping_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -840,7 +838,7 @@ static ssize_t nvt_grip_level_show(struct device *dev,
 	uint8_t spi_buf[2] = {0};
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
@@ -848,12 +846,12 @@ static ssize_t nvt_grip_level_show(struct device *dev,
 	nvt_set_page(GET_GRIP_LEVEL_ADDR);
 	spi_buf[0] = GET_GRIP_LEVEL_ADDR & 0x7F;
 	CTP_SPI_READ(ts->client, spi_buf, 2);
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", spi_buf[1]);
+	ret = sysfs_emit(buf, "%d\n", spi_buf[1]);
 	nvt_set_page(ts->mmap->EVENT_BUF_ADDR);
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -865,7 +863,7 @@ static ssize_t nvt_grip_level_store(struct device *dev,
 	uint16_t cmd_test_bit = GRIP_LEVEL_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > MODE_4)
 		return -EINVAL;
@@ -920,7 +918,7 @@ static ssize_t nvt_grip_level_store(struct device *dev,
 		return -EINVAL;
 	} else {
 		grip_level = mode;
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -932,7 +930,7 @@ static ssize_t nvt_force_calibration_store(struct device *dev,
 	uint8_t spi_buf[3] = {0}, mode;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode != CMD_ENABLE)
 		return -EINVAL;
@@ -958,7 +956,7 @@ static ssize_t nvt_force_calibration_store(struct device *dev,
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -969,7 +967,7 @@ static ssize_t nvt_get_calibration_show(struct device *dev,
 	int32_t ret;
 	uint8_t spi_buf[2] = {0};
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
@@ -977,12 +975,12 @@ static ssize_t nvt_get_calibration_show(struct device *dev,
 	nvt_set_page(GET_CALIBRATION_ADDR);
 	spi_buf[0] = GET_CALIBRATION_ADDR & 0x7F;
 	CTP_SPI_READ(ts->client, spi_buf, 2);
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", spi_buf[1]);
+	ret = sysfs_emit(buf, "%d\n", spi_buf[1]);
 	nvt_set_page(ts->mmap->EVENT_BUF_ADDR);
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -991,9 +989,9 @@ static ssize_t nvt_sync_freq_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
-	ret = snprintf(buf, PAGE_SIZE, "%s\n", SYNC_FREQ);
-	NVT_LOG("--\n");
+	NVT_LOGD("++\n");
+	ret = sysfs_emit(buf, "%s\n", SYNC_FREQ);
+	NVT_LOGD("--\n");
 
 	return ret;
 }
@@ -1027,7 +1025,7 @@ void cal_uniformity(uint8_t *arr, uint32_t size)
 
 static int32_t nvt_get_rawdata_uniformity(void)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (!rawdata_uniformity_spi_buf) {
 		rawdata_uniformity_spi_buf_size = ts->x_num * ts->y_num * 2 + 1;
@@ -1076,13 +1074,13 @@ static int32_t nvt_get_rawdata_uniformity(void)
 	cal_uniformity(rawdata_uniformity_spi_buf,
 		       rawdata_uniformity_spi_buf_size);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return 0;
 }
 
 static int32_t nvt_get_cc_uniformity(void)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (!cc_uniformity_spi_buf) {
 		cc_uniformity_spi_buf_size = ts->x_num * ts->y_num * 2 + 1;
@@ -1152,7 +1150,7 @@ static int32_t nvt_get_cc_uniformity(void)
 
 	cal_uniformity(cc_uniformity_spi_buf, cc_uniformity_spi_buf_size);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return 0;
 }
 
@@ -1161,7 +1159,7 @@ static ssize_t nvt_verify_calibration_show(struct device *dev,
 {
 	int32_t i, ret = 0, max = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (nvt_get_rawdata_uniformity())
 		return -EAGAIN;
@@ -1174,13 +1172,13 @@ static ssize_t nvt_verify_calibration_show(struct device *dev,
 	}
 
 	if (max > RAWDATA_UNIFORMITY_LIMIT)
-		ret = snprintf(buf, PAGE_SIZE, "%s\n", "Fail");
+		ret = sysfs_emit(buf, "%s\n", "Fail");
 	else
-		ret = snprintf(buf, PAGE_SIZE, "%s\n", "Pass");
+		ret = sysfs_emit(buf, "%s\n", "Pass");
 
 	NVT_LOG("max rawdata deviation = %d\n", max);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return ret;
 }
@@ -1191,16 +1189,16 @@ static ssize_t nvt_cancel_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = SET_CANCEL_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1211,7 +1209,7 @@ static ssize_t nvt_cancel_mode_store(struct device *dev, struct device_attribute
 	uint16_t cmd_test_bit = SET_CANCEL_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > CMD_ENABLE)
 		return -EINVAL;
@@ -1244,7 +1242,7 @@ static ssize_t nvt_cancel_mode_store(struct device *dev, struct device_attribute
 		NVT_ERR("failed, ret = %d\n", ret);
 		return -EINVAL;
 	} else {
-		NVT_LOG("--\n");
+		NVT_LOGD("--\n");
 		return count;
 	}
 }
@@ -1255,16 +1253,16 @@ static ssize_t nvt_playback_mode_show(struct device *dev,
 	uint16_t cmd_get_bit = PLAYBACK_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%zd\n", nvt_get_api_status(cmd_get_bit));
+	ret = sysfs_emit(buf, "%zd\n", nvt_get_api_status(cmd_get_bit));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1275,7 +1273,7 @@ static ssize_t nvt_playback_mode_store(struct device *dev, struct device_attribu
 	uint16_t cmd_test_bit = PLAYBACK_MODE_CMD_TEST_BIT;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || mode > MODE_2)
 		return -EINVAL;
@@ -1348,7 +1346,7 @@ static ssize_t nvt_playback_mode_store(struct device *dev, struct device_attribu
 	}
 
 	playback_enabled = (mode == CMD_DISABLE ? 0 : 1);
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1372,7 +1370,7 @@ void nvt_set_dttw(bool check_result)
 	if (ts->wkg_default != WAKEUP_GESTURE_DTTW)
 		return;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 	if (ts->wkg_option == WAKEUP_GESTURE_DTTW) {
 		spi_buf[0] = EVENT_MAP_HOST_CMD;
 		spi_buf[1] = 0x70;
@@ -1408,7 +1406,7 @@ void nvt_set_dttw(bool check_result)
 		NVT_LOG("Gesture conf: off.\n");
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 }
 
 static ssize_t nvt_dttw_mode_show(struct device *dev,
@@ -1416,16 +1414,16 @@ static ssize_t nvt_dttw_mode_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", ts->wkg_option);
+	ret = sysfs_emit(buf, "%d\n", ts->wkg_option);
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1434,7 +1432,7 @@ static ssize_t nvt_dttw_mode_store(struct device *dev, struct device_attribute *
 {
 	uint8_t mode;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 10, &mode) || !ts->bTouchIsAwake)
 		return -EINVAL;
@@ -1463,7 +1461,7 @@ static ssize_t nvt_dttw_mode_store(struct device *dev, struct device_attribute *
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1472,16 +1470,16 @@ static ssize_t nvt_dttw_touch_area_max_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_TOUCH_AREA_MAX_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_TOUCH_AREA_MAX_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1492,7 +1490,7 @@ static ssize_t nvt_dttw_touch_area_max_store(struct device *dev, struct device_a
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1519,7 +1517,7 @@ static ssize_t nvt_dttw_touch_area_max_store(struct device *dev, struct device_a
 	}
 
 	ts->dttw_touch_area_max = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1528,16 +1526,16 @@ static ssize_t nvt_dttw_touch_area_min_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_TOUCH_AREA_MIN_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_TOUCH_AREA_MIN_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1548,7 +1546,7 @@ static ssize_t nvt_dttw_touch_area_min_store(struct device *dev, struct device_a
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1575,7 +1573,7 @@ static ssize_t nvt_dttw_touch_area_min_store(struct device *dev, struct device_a
 	}
 
 	ts->dttw_touch_area_min = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1584,16 +1582,16 @@ static ssize_t nvt_dttw_contact_duration_max_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_CONTACT_DURATION_MAX_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_CONTACT_DURATION_MAX_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1604,7 +1602,7 @@ static ssize_t nvt_dttw_contact_duration_max_store(struct device *dev,
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1631,7 +1629,7 @@ static ssize_t nvt_dttw_contact_duration_max_store(struct device *dev,
 	}
 
 	ts->dttw_contact_duration_max = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1640,16 +1638,16 @@ static ssize_t nvt_dttw_contact_duration_min_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_CONTACT_DURATION_MIN_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_CONTACT_DURATION_MIN_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1660,7 +1658,7 @@ static ssize_t nvt_dttw_contact_duration_min_store(struct device *dev,
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1687,7 +1685,7 @@ static ssize_t nvt_dttw_contact_duration_min_store(struct device *dev,
 	}
 
 	ts->dttw_contact_duration_min = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1696,16 +1694,16 @@ static ssize_t nvt_dttw_tap_offset_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_TAP_OFFSET_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_TAP_OFFSET_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1716,7 +1714,7 @@ static ssize_t nvt_dttw_tap_offset_store(struct device *dev, struct device_attri
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1743,7 +1741,7 @@ static ssize_t nvt_dttw_tap_offset_store(struct device *dev, struct device_attri
 	}
 
 	ts->dttw_tap_offset = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1752,16 +1750,16 @@ static ssize_t nvt_dttw_tap_gap_duration_max_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_TAP_GAP_DURATION_MAX_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_TAP_GAP_DURATION_MAX_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1772,7 +1770,7 @@ static ssize_t nvt_dttw_tap_gap_duration_max_store(struct device *dev,
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1799,7 +1797,7 @@ static ssize_t nvt_dttw_tap_gap_duration_max_store(struct device *dev,
 	}
 
 	ts->dttw_tap_gap_duration_max = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1808,16 +1806,16 @@ static ssize_t nvt_dttw_tap_gap_duration_min_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_TAP_GAP_DURATION_MIN_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_TAP_GAP_DURATION_MIN_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1828,7 +1826,7 @@ static ssize_t nvt_dttw_tap_gap_duration_min_store(struct device *dev,
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1855,7 +1853,7 @@ static ssize_t nvt_dttw_tap_gap_duration_min_store(struct device *dev,
 	}
 
 	ts->dttw_tap_gap_duration_min = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1864,16 +1862,16 @@ static ssize_t nvt_dttw_motion_tolerance_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n", nvt_get_dttw_para(DTTW_MOTION_TOLERANCE_ADDR));
+	ret = sysfs_emit(buf, "%d\n", nvt_get_dttw_para(DTTW_MOTION_TOLERANCE_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1884,7 +1882,7 @@ static ssize_t nvt_dttw_motion_tolerance_store(struct device *dev, struct device
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1911,7 +1909,7 @@ static ssize_t nvt_dttw_motion_tolerance_store(struct device *dev, struct device
 	}
 
 	ts->dttw_motion_tolerance = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1920,17 +1918,17 @@ static ssize_t nvt_dttw_detection_window_edge_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	ret = snprintf(buf, PAGE_SIZE, "%d\n",
+	ret = sysfs_emit(buf, "%d\n",
 		nvt_get_dttw_para(DTTW_DETECTION_WINDOW_EDGE_ADDR));
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -1941,7 +1939,7 @@ static ssize_t nvt_dttw_detection_window_edge_store(struct device *dev,
 	uint16_t value;
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = kstrtou16(buf, 10, &value);
 	if (ret) {
@@ -1968,7 +1966,7 @@ static ssize_t nvt_dttw_detection_window_edge_store(struct device *dev,
 	}
 
 	ts->dttw_detection_window_edge = value;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -1977,22 +1975,22 @@ static ssize_t nvt_fw_history_show(struct device *dev,
 {
 	int idx = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
 	nvt_read_fw_history(ts->mmap->MMAP_HISTORY_EVENT0);
-	idx += scnprintf(buf + idx, PAGE_SIZE - idx, "fw history 0x%x:\n",
+	idx += sysfs_emit_at(buf, idx, "0x%x:\n",
 			ts->mmap->MMAP_HISTORY_EVENT0);
-	idx += scnprintf(buf + idx, PAGE_SIZE - idx, "%s", ts->history_buf);
+	idx += sysfs_emit_at(buf, idx, "%s", ts->history_buf);
 	nvt_read_fw_history(ts->mmap->MMAP_HISTORY_EVENT1);
-	idx += scnprintf(buf + idx, PAGE_SIZE - idx, "fw history 0x%x:\n",
+	idx += sysfs_emit_at(buf, idx, "0x%x:\n",
 			ts->mmap->MMAP_HISTORY_EVENT1);
-	idx += scnprintf(buf + idx, PAGE_SIZE - idx, "%s", ts->history_buf);
+	idx += sysfs_emit_at(buf, idx, "%s", ts->history_buf);
 
 	nvt_set_page(ts->mmap->EVENT_BUF_ADDR);
 	mutex_unlock(&ts->lock);
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return idx;
 }
 
@@ -2282,11 +2280,11 @@ static const struct file_operations nvt_heatmap_fops = {
 static int32_t nvt_cc_uniformity_open(struct inode *inode,
 				      struct file *file)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 	if (nvt_get_cc_uniformity())
 		return -EAGAIN;
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_cc_uniformity_seq_ops);
 }
@@ -2313,7 +2311,7 @@ int32_t nvt_extra_api_init(void)
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	ret = sysfs_create_link(ts->input_dev->dev.kobj.parent,
 				&ts->input_dev->dev.kobj, NVT_TOUCH_SYSFS_LINK);
@@ -2336,7 +2334,7 @@ int32_t nvt_extra_api_init(void)
 	if (NVT_proc_cc_uniformity_entry == NULL)
 		NVT_ERR("create /proc/nvt_cc_uniformity Failed!\n");
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 exit_nvt_touch_sysfs_init:
 	return ret;
@@ -2344,7 +2342,7 @@ exit_nvt_touch_sysfs_init:
 
 void nvt_extra_api_deinit(void)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 	devm_device_remove_group(&ts->input_dev->dev, &nvt_api_attribute_group);
 	sysfs_remove_link(ts->input_dev->dev.kobj.parent, NVT_TOUCH_SYSFS_LINK);
 	devm_kfree(&ts->client->dev, ts->heatmap_spi_buf);
@@ -2353,7 +2351,7 @@ void nvt_extra_api_deinit(void)
 	cc_uniformity_spi_buf = NULL;
 	kfree(rawdata_uniformity_spi_buf);
 	rawdata_uniformity_spi_buf = NULL;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 }
 
 void nvt_get_dttw_conf(void)
diff --git a/nt36xxx/nt36xxx_ext_proc.c b/nt36xxx/nt36xxx_ext_proc.c
index 52811e1..99f9278 100644
--- a/nt36xxx/nt36xxx_ext_proc.c
+++ b/nt36xxx/nt36xxx_ext_proc.c
@@ -603,7 +603,7 @@ static int32_t nvt_fw_version_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -616,7 +616,7 @@ static int32_t nvt_fw_version_open(struct inode *inode, struct file *file)
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_fw_version_seq_ops);
 }
@@ -650,7 +650,7 @@ static int32_t nvt_fw_update_open(struct inode *inode, struct file *file)
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	mutex_lock(&ts->lock);
 	ret = nvt_update_firmware(get_fw_name(), 1);
@@ -661,7 +661,7 @@ static int32_t nvt_fw_update_open(struct inode *inode, struct file *file)
 		return -EIO;
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return seq_open(file, &nvt_fw_version_seq_ops);
 }
 
@@ -695,7 +695,7 @@ static int32_t nvt_baseline_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -724,7 +724,7 @@ static int32_t nvt_baseline_open(struct inode *inode, struct file *file)
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_seq_ops);
 }
@@ -758,7 +758,7 @@ static int32_t nvt_raw_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -790,7 +790,7 @@ static int32_t nvt_raw_open(struct inode *inode, struct file *file)
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_seq_ops);
 }
@@ -824,7 +824,7 @@ static int32_t nvt_diff_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -856,7 +856,7 @@ static int32_t nvt_diff_open(struct inode *inode, struct file *file)
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_seq_ops);
 }
@@ -950,7 +950,7 @@ static int32_t nvt_pen_2d_raw_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -966,7 +966,7 @@ static int32_t nvt_pen_2d_raw_open(struct inode *inode, struct file *file)
 		return ret;
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_pen_2d_seq_ops);
 }
@@ -1002,7 +1002,7 @@ static int32_t nvt_pen_2d_baseline_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -1018,7 +1018,7 @@ static int32_t nvt_pen_2d_baseline_open(struct inode *inode, struct file *file)
 		return ret;
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_pen_2d_seq_ops);
 }
@@ -1054,7 +1054,7 @@ static int32_t nvt_pen_2d_diff_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -1070,7 +1070,7 @@ static int32_t nvt_pen_2d_diff_open(struct inode *inode, struct file *file)
 		return ret;
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_pen_2d_seq_ops);
 }
@@ -1106,7 +1106,7 @@ static int32_t nvt_pen_1d_diff_open(struct inode *inode, struct file *file)
 	if (mutex_lock_interruptible(&ts->lock))
 		return -ERESTARTSYS;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #if NVT_TOUCH_ESD_PROTECT
 	nvt_esd_check_enable(false);
@@ -1122,7 +1122,7 @@ static int32_t nvt_pen_1d_diff_open(struct inode *inode, struct file *file)
 		return ret;
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return seq_open(file, &nvt_pen_1d_seq_ops);
 }
diff --git a/nt36xxx/nt36xxx_ext_usi.c b/nt36xxx/nt36xxx_ext_usi.c
index 14a3215..3712b4e 100644
--- a/nt36xxx/nt36xxx_ext_usi.c
+++ b/nt36xxx/nt36xxx_ext_usi.c
@@ -1142,7 +1142,7 @@ int32_t nvt_extra_usi_init(void)
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	usi_ctx = kzalloc(sizeof(*usi_ctx), GFP_KERNEL);
 	if (!usi_ctx)
@@ -1153,7 +1153,7 @@ int32_t nvt_extra_usi_init(void)
 		NVT_ERR("Register %s failed\n", nvt_hid_usi_dev.name);
 		goto usi_init_error;
 	}
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return ret;
 
@@ -1166,10 +1166,10 @@ usi_init_error:
 
 void nvt_extra_usi_deinit(void)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 	misc_deregister(&nvt_hid_usi_dev);
 	kfree(usi_ctx);
 	usi_ctx = NULL;
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 }
 #endif
diff --git a/nt36xxx/nt36xxx_goog.c b/nt36xxx/nt36xxx_goog.c
index 629e42d..58a87d2 100644
--- a/nt36xxx/nt36xxx_goog.c
+++ b/nt36xxx/nt36xxx_goog.c
@@ -511,14 +511,14 @@ ssize_t force_touch_active_show(struct device *dev,
 {
 	int32_t ret = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 #ifdef GOOG_TOUCH_INTERFACE
-	ret = scnprintf(buf, PAGE_SIZE, "locks %#x\n",
+	ret = sysfs_emit(buf, "%#x\n",
 		goog_pm_wake_get_locks(ts->gti));
 #endif
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -533,7 +533,7 @@ ssize_t force_touch_active_store(struct device *dev,
 	u32 lock = 0;
 #endif
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 0, &mode)) {
 		NVT_ERR("invalid input!\n");
@@ -596,7 +596,7 @@ ssize_t force_touch_active_store(struct device *dev,
 			lock, ret, goog_pm_wake_get_locks(ts->gti));
 #endif
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
@@ -605,11 +605,11 @@ ssize_t force_release_fw_show(struct device *dev,
 {
 	int32_t ret;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
-	ret = scnprintf(buf, PAGE_SIZE, "force_release_fw %d\n", ts->force_release_fw);
+	ret = sysfs_emit(buf, "%d\n", ts->force_release_fw);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return ret;
 }
 
@@ -619,7 +619,7 @@ ssize_t force_release_fw_store(struct device *dev,
 {
 	u8 mode;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (kstrtou8(buf, 0, &mode)) {
 		NVT_ERR("invalid input!\n");
@@ -630,7 +630,7 @@ ssize_t force_release_fw_store(struct device *dev,
 	if (ts->force_release_fw)
 		update_firmware_release();
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 	return count;
 }
 
diff --git a/nt36xxx/nt36xxx_mp_ctrlram.c b/nt36xxx/nt36xxx_mp_ctrlram.c
index 431735d..d27b237 100644
--- a/nt36xxx/nt36xxx_mp_ctrlram.c
+++ b/nt36xxx/nt36xxx_mp_ctrlram.c
@@ -669,7 +669,7 @@ static void nvt_print_lmt_array(int32_t *array, int32_t x_ch, int32_t y_ch)
 
 static void nvt_print_criteria(void)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	//---PS_Config_Lmt_Short_Rawdata---
 	pr_info("PS_Config_Lmt_Short_Rawdata_P:\n");
@@ -775,7 +775,7 @@ static void nvt_print_criteria(void)
 				PEN_RX_MAX_X_LEN, PEN_RX_MAX_Y_LEN);
 	} /* if (ts->pen_support) */
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 }
 
 static void nvt_print_rawdata(int32_t *rawdata, uint8_t x_ch, uint8_t y_ch)
@@ -846,7 +846,7 @@ int8_t nvt_switch_FreqHopEnDis(uint8_t FreqHopEnDis)
 	uint8_t retry = 0;
 	int8_t ret = 0;
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	for (retry = 0; retry < 20; retry++) {
 		//---set xdata index to EVENT BUF ADDR---
@@ -873,7 +873,7 @@ int8_t nvt_switch_FreqHopEnDis(uint8_t FreqHopEnDis)
 		ret = -1;
 	}
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return ret;
 }
@@ -889,7 +889,7 @@ static int32_t nvt_read_baseline(int32_t *xdata)
 	int32_t k = 0;
 #endif /* #if TOUCH_KEY_NUM > 0 */
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	nvt_read_mdata(ts->mmap->BASELINE_ADDR, ts->mmap->BASELINE_BTN_ADDR);
 
@@ -911,7 +911,7 @@ static int32_t nvt_read_baseline(int32_t *xdata)
 	pr_info("%s:\n", __func__);
 	nvt_print_rawdata(xdata, X_Channel, Y_Channel);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
@@ -927,7 +927,7 @@ static int32_t nvt_read_CC(int32_t *xdata)
 	int32_t k = 0;
 #endif /* #if TOUCH_KEY_NUM > 0 */
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (nvt_get_fw_pipe() == 0)
 		nvt_read_mdata(ts->mmap->DIFF_PIPE1_ADDR, ts->mmap->DIFF_BTN_PIPE1_ADDR);
@@ -952,14 +952,14 @@ static int32_t nvt_read_CC(int32_t *xdata)
 	pr_info("%s:\n", __func__);
 	nvt_print_rawdata(xdata, X_Channel, Y_Channel);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
 
 static int32_t nvt_read_pen_baseline(void)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	nvt_read_get_num_mdata(ts->mmap->PEN_2D_BL_TIP_X_ADDR, RawData_PenTipX_Raw,
 			       ts->x_num * ts->y_gang_num);
@@ -979,7 +979,7 @@ static int32_t nvt_read_pen_baseline(void)
 	pr_info("%s:RawData_PenRingY_Raw\n", __func__);
 	nvt_print_rawdata(RawData_PenRingY_Raw, ts->x_gang_num, ts->y_num);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
@@ -1013,7 +1013,7 @@ static int32_t nvt_read_fw_noise(int32_t *xdata)
 	int32_t k = 0;
 #endif /* #if TOUCH_KEY_NUM > 0 */
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	//---Enter Test Mode---
 	if (nvt_clear_fw_status()) {
@@ -1112,7 +1112,7 @@ static int32_t nvt_read_fw_noise(int32_t *xdata)
 		nvt_print_rawdata(RawData_Pen_Rx_Max, PEN_RX_MAX_X_LEN, PEN_RX_MAX_Y_LEN);
 	} /* if (ts->pen_support) */
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
@@ -1161,7 +1161,7 @@ static int32_t nvt_read_fw_open(int32_t *xdata)
 	int32_t k = 0;
 #endif /* #if TOUCH_KEY_NUM > 0 */
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	//---Enter Test Mode---
 	if (nvt_clear_fw_status()) {
@@ -1242,7 +1242,7 @@ static int32_t nvt_read_fw_open(int32_t *xdata)
 	pr_info("%s:RawData_Open\n", __func__);
 	nvt_print_rawdata(xdata, X_Channel, Y_Channel);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
@@ -1260,7 +1260,7 @@ static int32_t nvt_read_fw_short(int32_t *xdata)
 	int32_t k = 0;
 #endif /* #if TOUCH_KEY_NUM > 0 */
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	//---Enter Test Mode---
 	if (nvt_clear_fw_status()) {
@@ -1335,7 +1335,7 @@ static int32_t nvt_read_fw_short(int32_t *xdata)
 	pr_info("%s:RawData_Short\n", __func__);
 	nvt_print_rawdata(xdata, X_Channel, Y_Channel);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
@@ -1517,7 +1517,7 @@ return:
 *******************************************************/
 static int32_t c_show_selftest(struct seq_file *m, void *v)
 {
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	seq_puts(m, "\n***** Selftest Data *****\n");
 
@@ -1703,7 +1703,7 @@ static int32_t c_show_selftest(struct seq_file *m, void *v)
 
 	nvt_mp_test_result_printed = 1;
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	return 0;
 }
@@ -1794,7 +1794,7 @@ static int32_t nvt_selftest_open(struct inode *inode, struct file *file)
 		TestResult_PenRingY_DiffMin = 0;
 	} /* if (ts->pen_support) */
 
-	NVT_LOG("++\n");
+	NVT_LOGD("++\n");
 
 	if (mutex_lock_interruptible(&ts->lock)) {
 		return -ERESTARTSYS;
@@ -2061,7 +2061,7 @@ static int32_t nvt_selftest_open(struct inode *inode, struct file *file)
 
 	mutex_unlock(&ts->lock);
 
-	NVT_LOG("--\n");
+	NVT_LOGD("--\n");
 
 	nvt_mp_test_result_printed = 0;