V4L/DVB (6348): ivtv: undo video mute when closing the radio

Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/ivtv/ivtv-fileops.c

@@ -822,6 +822,11 @@ int ivtv_v4l2_close(struct inode *inode, struct file *filp)
 			crystal_freq.flags = 0;
 			ivtv_saa7115(itv, VIDIOC_INT_S_CRYSTAL_FREQ, &crystal_freq);
 		}
+		if (atomic_read(&itv->capturing) > 0) {
+			/* Undo video mute */
+			ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1,
+				itv->params.video_mute | (itv->params.video_mute_yuv << 8));
+		}
 		/* Done! Unmute and continue. */
 		ivtv_unmute(itv);
 		ivtv_release_stream(s);