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@@ -339,6 +339,39 @@ static int stac92xx_aloopback_put(struct snd_kcontrol *kcontrol,
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return 1;
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}
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+static int stac92xx_volknob_info(struct snd_kcontrol *kcontrol,
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+ struct snd_ctl_elem_info *uinfo)
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+{
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+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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+ uinfo->count = 1;
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+ uinfo->value.integer.min = 0;
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+ uinfo->value.integer.max = 127;
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+ return 0;
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+}
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+
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+static int stac92xx_volknob_get(struct snd_kcontrol *kcontrol,
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+ struct snd_ctl_elem_value *ucontrol)
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+{
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+ ucontrol->value.integer.value[0] = kcontrol->private_value;
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+ return 0;
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+}
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+
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+static int stac92xx_volknob_put(struct snd_kcontrol *kcontrol,
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+ struct snd_ctl_elem_value *ucontrol)
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+{
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+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
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+
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+ if (kcontrol->private_value == ucontrol->value.integer.value[0])
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+ return 0;
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+
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+ kcontrol->private_value = ucontrol->value.integer.value[0];
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+
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+ snd_hda_codec_write_cache(codec, 0x24, 0,
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+ AC_VERB_SET_VOLUME_KNOB_CONTROL,
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+ kcontrol->private_value | 0x80);
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+ return 1;
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+}
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+
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static struct hda_verb stac9200_core_init[] = {
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/* set dac0mux for dac converter */
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@@ -401,6 +434,17 @@ static struct hda_verb stac9205_core_init[] = {
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.private_value = verb_read | (verb_write << 16), \
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}
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+#define STAC_VOLKNOB \
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+ { \
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+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
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+ .name = "Master Playback Volume", \
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+ .count = 1, \
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+ .info = stac92xx_volknob_info, \
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+ .get = stac92xx_volknob_get, \
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+ .put = stac92xx_volknob_put, \
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+ .private_value = 127, \
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+ }
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+
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static struct snd_kcontrol_new stac9200_mixer[] = {
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HDA_CODEC_VOLUME("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
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@@ -423,6 +467,7 @@ static struct snd_kcontrol_new stac925x_mixer[] = {
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/* This needs to be generated dynamically based on sequence */
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static struct snd_kcontrol_new stac922x_mixer[] = {
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STAC_INPUT_SOURCE,
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+ STAC_VOLKNOB,
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HDA_CODEC_VOLUME("Capture Volume", 0x17, 0x0, HDA_INPUT),
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HDA_CODEC_MUTE("Capture Switch", 0x17, 0x0, HDA_INPUT),
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HDA_CODEC_VOLUME("Mux Capture Volume", 0x12, 0x0, HDA_OUTPUT),
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@@ -432,6 +477,7 @@ static struct snd_kcontrol_new stac922x_mixer[] = {
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/* This needs to be generated dynamically based on sequence */
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static struct snd_kcontrol_new stac9227_mixer[] = {
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STAC_INPUT_SOURCE,
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+ STAC_VOLKNOB,
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STAC_ANALOG_LOOPBACK(0xFEB, 0x7EB),
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HDA_CODEC_VOLUME("Capture Volume", 0x15, 0x0, HDA_OUTPUT),
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HDA_CODEC_MUTE("Capture Switch", 0x1b, 0x0, HDA_OUTPUT),
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@@ -440,6 +486,7 @@ static struct snd_kcontrol_new stac9227_mixer[] = {
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static struct snd_kcontrol_new stac927x_mixer[] = {
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STAC_INPUT_SOURCE,
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+ STAC_VOLKNOB,
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STAC_ANALOG_LOOPBACK(0xFEB, 0x7EB),
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HDA_CODEC_VOLUME("InMux Capture Volume", 0x15, 0x0, HDA_OUTPUT),
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HDA_CODEC_VOLUME("InVol Capture Volume", 0x18, 0x0, HDA_INPUT),
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@@ -458,6 +505,7 @@ static struct snd_kcontrol_new stac9205_mixer[] = {
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},
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STAC_INPUT_SOURCE,
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STAC_ANALOG_LOOPBACK(0xFE0, 0x7E0),
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+ STAC_VOLKNOB,
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HDA_CODEC_VOLUME("InMux Capture Volume", 0x19, 0x0, HDA_OUTPUT),
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HDA_CODEC_VOLUME("InVol Capture Volume", 0x1b, 0x0, HDA_INPUT),
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HDA_CODEC_MUTE("ADCMux Capture Switch", 0x1d, 0x0, HDA_OUTPUT),
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