Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9e292c0013d7d4158169eb9786aa0f9816eb5b40
Commit: 9e292c0013d7d4158169eb9786aa0f9816eb5b40
Parent: 9e507abd87103b5263bb0bbd94a15d74004557e9
Author: Takashi Iwai <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 9 12:42:03 2007 +0100
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Wed Feb 14 08:38:21 2007 +0100
[ALSA] ac97 - Fix silent output problem with Cx20551 codec
Fixed the silent output problem on laptops with Conexant Cx20551 codec
chip, such as Packard-bell EasyNote A* series.
The information was taken from ALSA bug#1134.
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
sound/pci/ac97/ac97_codec.c | 1 +
sound/pci/ac97/ac97_patch.c | 6 ++++++
sound/pci/ac97/ac97_patch.h | 1 +
3 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 74ed810..a9eec2a 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -143,6 +143,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, //
SmartMC II
{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, //
SmartAMC fixme: the mask might be different
+{ 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, //
same as TR28028?
{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 641d0c8..bfc2fed 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1338,6 +1338,12 @@ int patch_conexant(struct snd_ac97 * ac97)
return 0;
}
+int patch_cx20551(struct snd_ac97 *ac97)
+{
+ snd_ac97_update_bits(ac97, 0x5c, 0x01, 0x01);
+ return 0;
+}
+
/*
* Analog Device AD18xx, AD19xx codecs
*/
diff --git a/sound/pci/ac97/ac97_patch.h b/sound/pci/ac97/ac97_patch.h
index 94340da..555d1c9 100644
--- a/sound/pci/ac97/ac97_patch.h
+++ b/sound/pci/ac97/ac97_patch.h
@@ -39,6 +39,7 @@ int patch_sigmatel_stac9758(struct snd_ac97 * ac97);
int patch_cirrus_cs4299(struct snd_ac97 * ac97);
int patch_cirrus_spdif(struct snd_ac97 * ac97);
int patch_conexant(struct snd_ac97 * ac97);
+int patch_cx20551(struct snd_ac97 * ac97);
int patch_ad1819(struct snd_ac97 * ac97);
int patch_ad1881(struct snd_ac97 * ac97);
int patch_ad1885(struct snd_ac97 * ac97);
-
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