[PATCH 2/3] [UBUNTU:sound/pci/hda] Fix noisy stereo output on AD1986A 3stack model
crimsun at fungus.sh.nu
crimsun at fungus.sh.nu
Thu Mar 30 22:19:59 UTC 2006
Subject: [PATCH 2/3] [UBUNTU:sound/pci/hda] Fix noisy stereo output on AD1986A 3stack model
UpstreamStatus: Added in upstream pci/hda/patch_analog.c r1.22
This patch from Takashi Iwai fixes noisy stereo output on the AD1986A
3stack.
Signed-off-by: Daniel T Chen <crimsun at ubuntu.com>
---
sound/pci/hda/patch_analog.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
f0c2367bc57b41b92dd8e1cd8b770dd40818f344
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 6432753..96fcb86 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -42,6 +42,7 @@ struct ad198x_spec {
* dig_out_nid and hp_nid are optional
*/
unsigned int cur_eapd;
+ unsigned int need_dac_fix;
/* capture */
unsigned int num_adc_nids;
@@ -834,10 +835,14 @@ static int patch_ad1986a(struct hda_code
case AD1986A_3STACK:
spec->num_mixers = 2;
spec->mixers[1] = ad1986a_3st_mixers;
- spec->num_init_verbs = 2;
+ spec->num_init_verbs = 3;
spec->init_verbs[1] = ad1986a_3st_init_verbs;
+ spec->init_verbs[2] = ad1986a_ch2_init;
spec->channel_mode = ad1986a_modes;
spec->num_channel_mode = ARRAY_SIZE(ad1986a_modes);
+ spec->need_dac_fix = 1;
+ spec->multiout.max_channels = 2;
+ spec->multiout.num_dacs = 1;
break;
case AD1986A_LAPTOP:
spec->mixers[0] = ad1986a_laptop_mixers;
@@ -1551,6 +1556,8 @@ static int ad198x_ch_mode_put(snd_kcontr
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct ad198x_spec *spec = codec->spec;
+ if (spec->need_dac_fix)
+ spec->multiout.num_dacs = spec->multiout.max_channels / 2;
return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_mode,
spec->num_channel_mode, &spec->multiout.max_channels);
}
--
1.1.3
--
Daniel T. Chen crimsun at ubuntu.com
GPG key: www.sh.nu/~crimsun/pubkey.gpg.asc
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20060330/0fcdd826/attachment.sig>
More information about the kernel-team
mailing list