[media] msp3400: fix mute audio regression

Commit Message

Hans Verkuil Nov. 25, 2010, 1:05 p.m. UTC

None

Patch

diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index fe18a0a..b1763ac 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -381,7 +381,12 @@  static int msp_s_ctrl(struct v4l2_ctrl *ctrl)
 
 void msp_update_volume(struct msp_state *state)
 {
-	v4l2_ctrl_s_ctrl(state->volume, v4l2_ctrl_g_ctrl(state->volume));
+	/* Force an update of the volume/mute cluster */
+	v4l2_ctrl_lock(state->volume);
+	state->volume->val = state->volume->cur.val;
+	state->muted->val = state->muted->cur.val;
+	msp_s_ctrl(state->volume);
+	v4l2_ctrl_unlock(state->volume);
 }
 
 /* --- v4l2 ioctls --- */