From 8a2c474623f3a2d99b064b42c074becd6656495f Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 20 Jun 2007 05:37:27 -0300 Subject: Hardware MPEG audio fix for SAA7134 based "KNC One TV-Station DVR" card From: Rafael Bilski With previous patch card is generating MPEG audio stream too. Unfortunatly I2S audio output is muted. Unmute it. Signed-off-by: Rafal Bilski Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/video/saa7134/saa7134-empress.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'linux') diff --git a/linux/drivers/media/video/saa7134/saa7134-empress.c b/linux/drivers/media/video/saa7134/saa7134-empress.c index dc4593fdd..398f36b98 100644 --- a/linux/drivers/media/video/saa7134/saa7134-empress.c +++ b/linux/drivers/media/video/saa7134/saa7134-empress.c @@ -106,6 +106,10 @@ 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; @@ -131,6 +135,10 @@ 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; } -- cgit v1.2.3