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| author |   Sakari Ailus <sakari.ailus@linux.intel.com> | 2017-07-18 09:26:59 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-08-26 20:26:35 -0400 |
| commit | 503dd28af108888c505e8d6a86f4acf5eb20f3b7 (patch) | |
| tree | dea246924c83804906a36d125b2d33f26af68de8 /drivers/leds/leds-aat1290.c | |
| parent | media: staging: greybus: light: fix memory leak in v4l2 register (diff) | |
| download | linux-dev-503dd28af108888c505e8d6a86f4acf5eb20f3b7.tar.xz linux-dev-503dd28af108888c505e8d6a86f4acf5eb20f3b7.zip | |
media: v4l2-flash-led-class: Create separate sub-devices for indicators
The V4L2 flash interface allows controlling multiple LEDs through a single
sub-devices if, and only if, these LEDs are of different types. This
approach scales badly for flash controllers that drive multiple flash LEDs
or for LED specific associations. Essentially, the original assumption of a
LED driver chip that drives a single flash LED and an indicator LED is no
longer valid.
Address the matter by registering one sub-device per LED.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com> (for greybus/light)
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/leds/leds-aat1290.c')
| -rw-r--r-- | drivers/leds/leds-aat1290.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/leds/leds-aat1290.c b/drivers/leds/leds-aat1290.c index a21e19297745..424898e6c69d 100644 --- a/drivers/leds/leds-aat1290.c +++ b/drivers/leds/leds-aat1290.c @@ -432,7 +432,7 @@ static void aat1290_init_v4l2_flash_config(struct aat1290_led *led, strlcpy(v4l2_sd_cfg->dev_name, led_cdev->name, sizeof(v4l2_sd_cfg->dev_name)); - s = &v4l2_sd_cfg->torch_intensity; + s = &v4l2_sd_cfg->intensity; s->min = led->mm_current_scale[0]; s->max = led_cfg->max_mm_current; s->step = 1; @@ -504,7 +504,7 @@ static int aat1290_led_probe(struct platform_device *pdev) /* Create V4L2 Flash subdev. */ led->v4l2_flash = v4l2_flash_init(dev, of_fwnode_handle(sub_node), - fled_cdev, NULL, &v4l2_flash_ops, + fled_cdev, &v4l2_flash_ops, &v4l2_sd_cfg); if (IS_ERR(led->v4l2_flash)) { ret = PTR_ERR(led->v4l2_flash); |