diff options
| author |   Dan Murphy <dmurphy@ti.com> | 2020-07-16 13:20:03 -0500 |
|---|---|---|
| committer |   Pavel Machek <pavel@ucw.cz> | 2020-07-22 14:42:06 +0200 |
| commit | 40473132605af27e72d9489327bb0c99f6c5f20a (patch) | |
| tree | 4452462ee591122c8448ed3fae2dce073dd4603e /drivers/leds | |
| parent | leds: lp55xx: Add multicolor framework support to lp55xx (diff) | |
| download | linux-dev-40473132605af27e72d9489327bb0c99f6c5f20a.tar.xz linux-dev-40473132605af27e72d9489327bb0c99f6c5f20a.zip | |
leds: lp5523: Update the lp5523 code to add multicolor brightness function
Add the multicolor brightness call back to support the multicolor
framework. This call back allows setting brightness on grouped channels
in a single function.
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lp5523.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index bb97549007d7..f55d97258d5e 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -792,6 +792,25 @@ leave: return ret; } +static int lp5523_multicolor_brightness(struct lp55xx_led *led) +{ + struct lp55xx_chip *chip = led->chip; + int ret; + int i; + + mutex_lock(&chip->lock); + for (i = 0; i < led->mc_cdev.num_colors; i++) { + ret = lp55xx_write(chip, + LP5523_REG_LED_PWM_BASE + + led->mc_cdev.subled_info[i].channel, + led->mc_cdev.subled_info[i].brightness); + if (ret) + break; + } + mutex_unlock(&chip->lock); + return ret; +} + static int lp5523_led_brightness(struct lp55xx_led *led) { struct lp55xx_chip *chip = led->chip; @@ -858,6 +877,7 @@ static struct lp55xx_device_config lp5523_cfg = { .max_channel = LP5523_MAX_LEDS, .post_init_device = lp5523_post_init_device, .brightness_fn = lp5523_led_brightness, + .multicolor_brightness_fn = lp5523_multicolor_brightness, .set_led_current = lp5523_set_led_current, .firmware_cb = lp5523_firmware_loaded, .run_engine = lp5523_run_engine, |