From b784e526a8333db57d1b9f385a12553066bdba64 Mon Sep 17 00:00:00 2001 From: Rafael Bilski Date: Wed, 20 Jun 2007 05:37:27 -0300 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-empress.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index f521603482..fc260ec8fd 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; } -- 2.39.5