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authorRafael Bilski <rafalbilski@interia.pl>2007-06-20 05:37:27 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-07-18 14:24:14 -0300
commitb784e526a8333db57d1b9f385a12553066bdba64 (patch)
tree4085d9d4f11dbded4c15d8b15b6b590cf78aa764 /drivers/media/video
parentaac0ca6a8b84541b28af9d18d8b84f90653ce0d0 (diff)
V4L/DVB (5776): Hardware MPEG audio fix for SAA7134 based "KNC One TV-Station DVR" card
With previous patch card is generating MPEG audio stream too. Unfortunatly I2S audio output is muted. Unmute it. Signed-off-by: Rafal Bilski <rafalbilski@interia.pl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/saa7134/saa7134-empress.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index f521603482ca..fc260ec8fdc2 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -96,6 +96,10 @@ static int ts_open(struct inode *inode, struct file *file)
if (dev->empress_users)
goto done_up;
+ /* Unmute audio */
+ saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
+ saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
+
dev->empress_users++;
file->private_data = dev;
err = 0;
@@ -121,6 +125,10 @@ static int ts_release(struct inode *inode, struct file *file)
/* stop the encoder */
ts_reset_encoder(dev);
+ /* Mute audio */
+ saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
+ saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
+
mutex_unlock(&dev->empress_tsq.lock);
return 0;
}