diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-ti-lmu-common.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/leds/leds-ti-lmu-common.c b/drivers/leds/leds-ti-lmu-common.c index adc7293004f1..e294a0b097e3 100644 --- a/drivers/leds/leds-ti-lmu-common.c +++ b/drivers/leds/leds-ti-lmu-common.c @@ -11,10 +11,10 @@ #include <linux/leds-ti-lmu-common.h> -const static int ramp_table[16] = {2048, 262000, 524000, 1049000, 2090000, - 4194000, 8389000, 16780000, 33550000, 41940000, - 50330000, 58720000, 67110000, 83880000, - 100660000, 117440000}; +const static unsigned int ramp_table[16] = {2048, 262000, 524000, 1049000, + 2090000, 4194000, 8389000, 16780000, 33550000, + 41940000, 50330000, 58720000, 67110000, + 83880000, 100660000, 117440000}; static int ti_lmu_common_update_brightness(struct ti_lmu_bank *lmu_bank, int brightness) @@ -54,7 +54,7 @@ int ti_lmu_common_set_brightness(struct ti_lmu_bank *lmu_bank, int brightness) } EXPORT_SYMBOL(ti_lmu_common_set_brightness); -static int ti_lmu_common_convert_ramp_to_index(unsigned int usec) +static unsigned int ti_lmu_common_convert_ramp_to_index(unsigned int usec) { int size = ARRAY_SIZE(ramp_table); int i; @@ -78,7 +78,7 @@ static int ti_lmu_common_convert_ramp_to_index(unsigned int usec) } } - return -EINVAL; + return 0; } int ti_lmu_common_set_ramp(struct ti_lmu_bank *lmu_bank) @@ -94,9 +94,6 @@ int ti_lmu_common_set_ramp(struct ti_lmu_bank *lmu_bank) ramp_down = ti_lmu_common_convert_ramp_to_index(lmu_bank->ramp_down_usec); } - if (ramp_up < 0 || ramp_down < 0) - return -EINVAL; - ramp = (ramp_up << 4) | ramp_down; return regmap_write(regmap, lmu_bank->runtime_ramp_reg, ramp); |