From 6074b36715f036f56beb688f49a2a2fb5b28ad72 Mon Sep 17 00:00:00 2001
From: Johannes Stezenbach <js@linuxtv.org>
Date: Mon, 16 May 2005 21:54:22 -0700
Subject: [PATCH] [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>
---
drivers/media/dvb/ttpci/av7110_av.c | 6 ++++++
1 file changed, 6 insertions(+)
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:
--
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