From d6482288aadcf19e348cbccff7a605790a3b3875 Mon Sep 17 00:00:00 2001 From: "Maciej S. Szmigiero" Date: Fri, 6 Mar 2015 16:59:00 +0100 Subject: [PATCH] ALSA: ac97: 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 Signed-off-by: Takashi Iwai --- sound/pci/ac97/ac97_codec.c | 1 + sound/pci/ac97/ac97_patch.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 5ee2f17c287c..5bca1a33fed6 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 ceaac1c41906..eca22100f70d 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -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 */ -- 2.25.1