Re: Patches for Packard Bell EasyNote laptop support

[Takashi Iwai <tiwai@suse.de>]

At Wed, 07 Feb 2007 17:29:32 +0100,
I wrote:
> 
> At Wed, 7 Feb 2007 15:24:11 +0000,
> Matthew Flint wrote:
> > 
> > See https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1134
> > 
> > 
> > All,
> > 
> > Bug report 1134 tracks progress in getting ALSA to work with a Packard
> > Bell laptop, model "EasyNote A8202". There are three simple patches
> > needed against ALSA v1.0.14rc2.
> > 
> > Can I ask a for a kind ALSA developer to merge these patches into
> > trunk, for out-of-the-box support in the next release of ALSA drivers?
> 
> Could you create a patch file and submit to this ML again?
> The files there are no patches to be applied easily to the latest
> tree.  And, we need a proper changelog and sign-off.
> 
> The standard rule for the patch is found in News section of ALSA
> BTS.

OK, I took a look a bit more, and wrote a patch for testing.
Could you check whether the patch below works with the latest ALSA
tree?  You can get the latest tree from
	ftp://ftp.suse.com/pub/projects/alsa/snapshot/driver/

Thanks,

Takashi

---
diff -r fd9f1cc7e78e pci/ac97/ac97_codec.c
--- a/pci/ac97/ac97_codec.c	Wed Feb 07 16:04:25 2007 +0100
+++ b/pci/ac97/ac97_codec.c	Wed Feb 07 17:57:55 2007 +0100
@@ -143,6 +143,7 @@ static const struct ac97_codec_id snd_ac
 { 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 -r fd9f1cc7e78e pci/ac97/ac97_patch.c
--- a/pci/ac97/ac97_patch.c	Wed Feb 07 16:04:25 2007 +0100
+++ b/pci/ac97/ac97_patch.c	Wed Feb 07 17:52:48 2007 +0100
@@ -1335,6 +1335,12 @@ int patch_conexant(struct snd_ac97 * ac9
 	ac97->flags |= AC97_CX_SPDIF;
         ac97->ext_id |= AC97_EI_SPDIF;	/* force the detection of spdif */
 	ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000; /* 48k only */
+	return 0;
+}
+
+int patch_cx20551(struct snd_ac97 *ac97)
+{
+	snd_ac97_update_bits(ac97, 0x5c, 0x01, 0x01);
 	return 0;
 }
 
diff -r fd9f1cc7e78e pci/ac97/ac97_patch.h
--- a/pci/ac97/ac97_patch.h	Wed Feb 07 16:04:25 2007 +0100
+++ b/pci/ac97/ac97_patch.h	Wed Feb 07 17:51:20 2007 +0100
@@ -39,6 +39,7 @@ int patch_cirrus_cs4299(struct snd_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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