diff mbox series

[v4,01/10] media: subdev: Add privacy led helpers

Message ID 20240416-enable-streams-impro-v4-1-1d370c9c2b6d@ideasonboard.com (mailing list archive)
State New
Headers show
Series media: subdev: Improve stream enable/disable machinery | expand

Commit Message

Tomi Valkeinen April 16, 2024, 10:40 a.m. UTC 
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.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/media/v4l2-core/v4l2-subdev.c | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 012b757eac9f..13957543d153 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 &&
@@ -422,15 +439,10 @@  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;