[PATCH] dvb: av7110: audio out fix

Switch analog output of the Crystal sound chip to left/stereo/right mode.
This will fix problems with some (most?) channels which do not encode
2-channel audio correctly.  (Oliver Endriss)

Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c
index d77e8a00688f..2c3b0b32b8d7 100644
--- a/drivers/media/dvb/ttpci/av7110_av.c
+++ b/drivers/media/dvb/ttpci/av7110_av.c
@@ -1230,14 +1230,20 @@ static int dvb_audio_ioctl(struct inode *inode, struct file *file,
                 switch(av7110->audiostate.channel_select) {
                 case AUDIO_STEREO:
                         audcom(av7110, AUDIO_CMD_STEREO);
+                        if (av7110->adac_type == DVB_ADAC_CRYSTAL)
+                                i2c_writereg(av7110, 0x20, 0x02, 0x49);
                         break;
 
                 case AUDIO_MONO_LEFT:
                         audcom(av7110, AUDIO_CMD_MONO_L);
+                        if (av7110->adac_type == DVB_ADAC_CRYSTAL)
+                                i2c_writereg(av7110, 0x20, 0x02, 0x4a);
                         break;
 
                 case AUDIO_MONO_RIGHT:
                         audcom(av7110, AUDIO_CMD_MONO_R);
+                        if (av7110->adac_type == DVB_ADAC_CRYSTAL)
+                                i2c_writereg(av7110, 0x20, 0x02, 0x45);
                         break;
 
                 default: