ALSA CVS update - Takashi Iwai <tiwai@suse.de>

AC97 Codec Core
Ted.Wen@ite.com.tw:

- added patch for IT2646.

sound/pci/ac97/ac97_codec.c

@@ -140,6 +140,7 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
 { 0x49434551, 0xffffffff, "VT1616", 		patch_vt1616,	NULL }, 
 { 0x49434552, 0xffffffff, "VT1616i",		patch_vt1616,	NULL }, // VT1616 compatible (chipset integrated)
 { 0x49544520, 0xffffffff, "IT2226E",		NULL,		NULL },
+{ 0x49544561, 0xffffffff, "IT2646E",		patch_it2646,	NULL },
 { 0x4e534300, 0xffffffff, "LM4540/43/45/46/48",	NULL,		NULL }, // only guess --jk
 { 0x4e534331, 0xffffffff, "LM4549",		NULL,		NULL },
 { 0x4e534350, 0xffffffff, "LM4550",		NULL,		NULL },

sound/pci/ac97/ac97_patch.c

@@ -1105,3 +1105,37 @@ int patch_vt1616(ac97_t * ac97)
 	ac97->build_ops = &patch_vt1616_ops;
 	return 0;
 }
+
+static const snd_kcontrol_new_t snd_ac97_controls_it2646[] = {
+	AC97_SINGLE("Line-In As Surround", 0x76, 9, 1, 0),
+	AC97_SINGLE("Mic As Center/LFE", 0x76, 10, 1, 0),
+};
+
+static const snd_kcontrol_new_t snd_ac97_spdif_controls_it2646[] = {
+	AC97_SINGLE("IEC958 Capture Switch", 0x76, 11, 1, 0),
+	AC97_SINGLE("Analog to IEC958 Output", 0x76, 12, 1, 0),
+	AC97_SINGLE("IEC958 Input Monitor", 0x76, 13, 1, 0),
+};
+
+static int patch_it2646_specific(ac97_t * ac97)
+{
+	int err;
+	if ((err = patch_build_controls(ac97, snd_ac97_controls_it2646, ARRAY_SIZE(snd_ac97_controls_it2646))) < 0)
+		return err;
+	if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_it2646, ARRAY_SIZE(snd_ac97_spdif_controls_it2646))) < 0)
+		return err;
+	return 0;
+}
+
+static struct snd_ac97_build_ops patch_it2646_ops = {
+	.build_specific	= patch_it2646_specific
+};
+
+int patch_it2646(ac97_t * ac97)
+{
+	ac97->build_ops = &patch_it2646_ops;
+	/* full DAC volume */
+	snd_ac97_write_cache(ac97, 0x5E, 0x0808);
+	snd_ac97_write_cache(ac97, 0x7A, 0x0808);
+	return 0;
+}

sound/pci/ac97/ac97_patch.h

@@ -47,3 +47,4 @@ int patch_alc650(ac97_t * ac97);
 int patch_cm9738(ac97_t * ac97);
 int patch_cm9739(ac97_t * ac97);
 int patch_vt1616(ac97_t * ac97);
+int patch_it2646(ac97_t * ac97);