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ALSA: ac97: Add VT1613 AC97 codec support

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Patch to add an VT1613 AC97 codec support.

This codec has additional DC offset removal control,
headphone output and no video input.

Signed-off-by: Maciej Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Maciej S. Szmigiero 2015-03-06 16:59:00 +01:00 committed by Takashi Iwai
parent a52afea68f
commit d6482288aa
2 changed files with 34 additions and 0 deletions
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1
sound/pci/ac97/ac97_codec.c
View File

@ -177,6 +177,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
{ 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL },
{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },

33
sound/pci/ac97/ac97_patch.c
View File

@ -3351,6 +3351,39 @@ static int patch_cm9780(struct snd_ac97 *ac97)
return 0;
}
/*
* VIA VT1613 codec
*/
static const struct snd_kcontrol_new snd_ac97_controls_vt1613[] = {
AC97_SINGLE("DC Offset removal", 0x5a, 10, 1, 0),
};
static int patch_vt1613_specific(struct snd_ac97 *ac97)
{
int err;
err = patch_build_controls(ac97, &snd_ac97_controls_vt1613[0],
ARRAY_SIZE(snd_ac97_controls_vt1613));
if (err)
return err;
return 0;
};
static const struct snd_ac97_build_ops patch_vt1613_ops = {
.build_specific = patch_vt1613_specific
};
static int patch_vt1613(struct snd_ac97 *ac97)
{
ac97->build_ops = &patch_vt1613_ops;
ac97->flags |= AC97_HAS_NO_VIDEO;
ac97->caps |= AC97_BC_HEADPHONE;
return 0;
}
/*
* VIA VT1616 codec
*/