diff options
Diffstat (limited to 'drivers/leds/leds-lp5562.c')
| -rw-r--r-- | drivers/leds/leds-lp5562.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c index b26bcc81d079..14a4af361b26 100644 --- a/drivers/leds/leds-lp5562.c +++ b/drivers/leds/leds-lp5562.c @@ -161,6 +161,30 @@ static int lp5562_post_init_device(struct lp55xx_chip *chip) return 0; } +static int lp5562_multicolor_brightness(struct lp55xx_led *led) +{ + struct lp55xx_chip *chip = led->chip; + static const u8 addr[] = { + LP5562_REG_R_PWM, + LP5562_REG_G_PWM, + LP5562_REG_B_PWM, + LP5562_REG_W_PWM, + }; + int ret; + int i; + + guard(mutex)(&chip->lock); + for (i = 0; i < led->mc_cdev.num_colors; i++) { + ret = lp55xx_write(chip, + addr[led->mc_cdev.subled_info[i].channel], + led->mc_cdev.subled_info[i].brightness); + if (ret) + break; + } + + return ret; +} + static int lp5562_led_brightness(struct lp55xx_led *led) { struct lp55xx_chip *chip = led->chip; @@ -364,6 +388,7 @@ static struct lp55xx_device_config lp5562_cfg = { .post_init_device = lp5562_post_init_device, .set_led_current = lp5562_set_led_current, .brightness_fn = lp5562_led_brightness, + .multicolor_brightness_fn = lp5562_multicolor_brightness, .run_engine = lp5562_run_engine, .firmware_cb = lp55xx_firmware_loaded_cb, .dev_attr_group = &lp5562_group, |