V4L/DVB (6832): cx88-blackbird: don't mute audio when stopping the codec

We should not mute the audio input when we stop the codec,
because it will interfere with the live uncompressed stream.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Jelle Foks <jelle@foks.8m.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx88/cx88-blackbird.c

@@ -627,15 +627,11 @@ static int blackbird_start_codec(struct file *file, void *priv)
 
 static int blackbird_stop_codec(struct cx8802_dev *dev)
 {
-	struct cx88_core *core = dev->core;
-
 	blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
 			BLACKBIRD_END_NOW,
 			BLACKBIRD_MPEG_CAPTURE,
 			BLACKBIRD_RAW_BITS_NONE
 		);
-	/* mute audio source */
-	cx_set(AUD_VOL_CTL, (1 << 6));
 
 	dev->mpeg_active = 0;
 	return 0;