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Subject[PATCH]Add VT1613 AC97 codec support
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>

diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 5ee2f17..5bca1a3 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -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 },
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index ceaac1c..eca2210 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -3352,6 +3352,39 @@ static int patch_cm9780(struct snd_ac97 *ac97)
}

/*
+ * 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
*/
static const struct snd_kcontrol_new snd_ac97_controls_vt1616[] = {


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