diff options
| -rw-r--r-- | drivers/leds/leds-sgm37603a.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/leds/leds-sgm37603a.c b/drivers/leds/leds-sgm37603a.c index 5a5980546f3f..cb3ac522064e 100644 --- a/drivers/leds/leds-sgm37603a.c +++ b/drivers/leds/leds-sgm37603a.c @@ -220,11 +220,14 @@ static void _sgm37603a_led_set_brightness( if (lp->brightness_limit) val = brightness * lp->brightness_limit / lp->max_brightness; - val *= 14; - if (val > 3533) /* 0xdcd */ - val = 3533; - else if (val < 0x9) - val = 0x9; + + if (val == 1) { /* min brightness: 1 */ + val = 0x4; + } else if (val > 1) { + val *= 12; /* 2980 / 255 + 1 */ + if (val > 2980) /* 0xba4 */ + val = 2980; + } sgm37603a_write_byte(lp, lp->cfg->reg_devicectrl, 0x00); sgm37603a_write_byte(lp, lp->cfg->reg_brightness1, val & 0xF); |