diff options
| -rw-r--r-- | drivers/leds/leds-st1202.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/leds/leds-st1202.c b/drivers/leds/leds-st1202.c index 316ed8eb054f..a750c95ef3f8 100644 --- a/drivers/leds/leds-st1202.c +++ b/drivers/leds/leds-st1202.c @@ -228,6 +228,12 @@ static int st1202_led_pattern_set(struct led_classdev *ldev, if (len > ST1202_MAX_PATTERNS) return -EINVAL; + for (int patt = 0; patt < len; patt++) { + if (pattern[patt].delta_t < ST1202_MILLIS_PATTERN_DUR_MIN || + pattern[patt].delta_t > ST1202_MILLIS_PATTERN_DUR_MAX) + return -EINVAL; + } + guard(mutex)(&chip->lock); ret = st1202_write_reg(chip, ST1202_CONFIG_REG, ST1202_CONFIG_REG_SHFT); @@ -235,10 +241,6 @@ static int st1202_led_pattern_set(struct led_classdev *ldev, return ret; for (int patt = 0; patt < len; patt++) { - if (pattern[patt].delta_t < ST1202_MILLIS_PATTERN_DUR_MIN || - pattern[patt].delta_t > ST1202_MILLIS_PATTERN_DUR_MAX) - return -EINVAL; - ret = st1202_pwm_pattern_write(chip, led->led_num, patt, pattern[patt].brightness); if (ret != 0) return ret; |