diff options
Diffstat (limited to 'goog_touch_interface.c')
| -rw-r--r-- | goog_touch_interface.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/goog_touch_interface.c b/goog_touch_interface.c index fdb11cd..db5666b 100644 --- a/goog_touch_interface.c +++ b/goog_touch_interface.c @@ -1339,6 +1339,24 @@ static void unregister_panel_bridge(struct drm_bridge *bridge) /*----------------------------------------------------------------------------- * GTI: functions. */ +bool goog_check_spi_dma_enabled(struct spi_device *spi_dev) +{ + bool ret = false; + + if (spi_dev && spi_dev->controller) { + struct device_node *np = spi_dev->controller->dev.of_node; + + /* + * Check the SPI controller(s3c64xx-spi) whether support DMA + * or not. + */ + ret = of_property_read_bool(np, "dma-mode"); + } + + return ret; +} +EXPORT_SYMBOL(goog_check_spi_dma_enabled); + int goog_process_vendor_cmd(struct goog_touch_interface *gti, enum gti_cmd_type cmd_type) { void *private_data = gti->vendor_private_data; |