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Subject: media: subdev: Add privacy led helpers
Author: Tomi Valkeinen <tomi.valkei...@ideasonboard.com>
Date: Wed Apr 24 18:39:04 2024 +0300
Add helper functions to enable and disable the privacy led. This moves
the #if from the call site to the privacy led functions, and makes
adding privacy led support to v4l2_subdev_enable/disable_streams()
cleaner.
Reviewed-by: Umang Jain <umang.j...@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Tested-by: Umang Jain <umang.j...@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/v4l2-core/v4l2-subdev.c | 30 +++++++++++++++++++++---------
1 file changed, 21 insertions(+), 9 deletions(-)
---
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c
b/drivers/media/v4l2-core/v4l2-subdev.c
index 8470d6eda9a3..2fa4a48dad20 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -148,6 +148,23 @@ static int subdev_close(struct file *file)
}
#endif /* CONFIG_VIDEO_V4L2_SUBDEV_API */
+static void v4l2_subdev_enable_privacy_led(struct v4l2_subdev *sd)
+{
+#if IS_REACHABLE(CONFIG_LEDS_CLASS)
+ if (!IS_ERR_OR_NULL(sd->privacy_led))
+ led_set_brightness(sd->privacy_led,
+ sd->privacy_led->max_brightness);
+#endif
+}
+
+static void v4l2_subdev_disable_privacy_led(struct v4l2_subdev *sd)
+{
+#if IS_REACHABLE(CONFIG_LEDS_CLASS)
+ if (!IS_ERR_OR_NULL(sd->privacy_led))
+ led_set_brightness(sd->privacy_led, 0);
+#endif
+}
+
static inline int check_which(u32 which)
{
if (which != V4L2_SUBDEV_FORMAT_TRY &&
@@ -452,15 +469,10 @@ static int call_s_stream(struct v4l2_subdev *sd, int
enable)
if (!ret) {
sd->enabled_streams = enable ? BIT(0) : 0;
-#if IS_REACHABLE(CONFIG_LEDS_CLASS)
- if (!IS_ERR_OR_NULL(sd->privacy_led)) {
- if (enable)
- led_set_brightness(sd->privacy_led,
-
sd->privacy_led->max_brightness);
- else
- led_set_brightness(sd->privacy_led, 0);
- }
-#endif
+ if (enable)
+ v4l2_subdev_enable_privacy_led(sd);
+ else
+ v4l2_subdev_disable_privacy_led(sd);
}
return ret;
