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authorChristian Marangi <ansuelsmth@gmail.com>2024-06-26 18:00:16 +0200
committerLee Jones <lee@kernel.org>2024-06-26 17:08:31 +0100
commit794826b2d87538a0fa5429957439f82bb7f32b53 (patch)
tree05ef57e11859fde42dd92ed7a20e624d0550018f /drivers/leds/leds-lp55xx-common.c
parentc63580b27a2c638cbae2fc26484b0bf29f303134 (diff)
leds: leds-lp55xx: Generalize multicolor_brightness function
Generalize multicolor_brightness function as the implementation is the same for most of the lp55xx based LED driver. Suggested-by: Lee Jones <lee@kernel.org> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Link: https://lore.kernel.org/r/20240626160027.19703-12-ansuelsmth@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/leds/leds-lp55xx-common.c')
-rw-r--r--drivers/leds/leds-lp55xx-common.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index cc393e407837..27008b6a4757 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -256,6 +256,27 @@ int lp55xx_led_brightness(struct lp55xx_led *led)
}
EXPORT_SYMBOL_GPL(lp55xx_led_brightness);
+int lp55xx_multicolor_brightness(struct lp55xx_led *led)
+{
+ struct lp55xx_chip *chip = led->chip;
+ const struct lp55xx_device_config *cfg = chip->cfg;
+ int ret;
+ int i;
+
+ mutex_lock(&chip->lock);
+ for (i = 0; i < led->mc_cdev.num_colors; i++) {
+ ret = lp55xx_write(chip,
+ cfg->reg_led_pwm_base.addr +
+ led->mc_cdev.subled_info[i].channel,
+ led->mc_cdev.subled_info[i].brightness);
+ if (ret)
+ break;
+ }
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(lp55xx_multicolor_brightness);
+
static void lp55xx_reset_device(struct lp55xx_chip *chip)
{
const struct lp55xx_device_config *cfg = chip->cfg;