Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6e6b88ff authored by Maxim Levitsky's avatar Maxim Levitsky Committed by Jaroslav Kysela
Browse files

[ALSA] hda-codec - make volume knob, the master volume for sigmatel codecs 



VolumeKnob is present on most sigmatel codecs, it allows to decrease
volume of all DACs at once, it is a kind of post-procesing volume.
Note that all output amps of sigmatel only decrease volume, and all
input amps only increase volume.

Signed-off-by: default avatarMaxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 5f10c4a9

sound/pci/hda/patch_sigmatel.c

+48 −0
Original line number Diff line number Diff line
@@ -339,6 +339,39 @@ static int stac92xx_aloopback_put(struct snd_kcontrol *kcontrol, 
	return 1;

}



static int stac92xx_volknob_info(struct snd_kcontrol *kcontrol,

	struct snd_ctl_elem_info *uinfo)

{

	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;

	uinfo->count = 1;

	uinfo->value.integer.min = 0;

	uinfo->value.integer.max = 127;

	return 0;

}



static int stac92xx_volknob_get(struct snd_kcontrol *kcontrol,

	struct snd_ctl_elem_value *ucontrol)

{

	ucontrol->value.integer.value[0] = kcontrol->private_value;

	return 0;

}



static int stac92xx_volknob_put(struct snd_kcontrol *kcontrol,

		struct snd_ctl_elem_value *ucontrol)

{

	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);



	if (kcontrol->private_value == ucontrol->value.integer.value[0])

		return 0;



	kcontrol->private_value = ucontrol->value.integer.value[0];



	snd_hda_codec_write_cache(codec, 0x24, 0,

		AC_VERB_SET_VOLUME_KNOB_CONTROL,

			kcontrol->private_value | 0x80);

	return 1;

}





static struct hda_verb stac9200_core_init[] = {

	/* set dac0mux for dac converter */
@@ -401,6 +434,17 @@ static struct hda_verb stac9205_core_init[] = { 
		.private_value = verb_read | (verb_write << 16), \

	}



#define STAC_VOLKNOB \

	{ \

		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \

		.name  = "Master Playback Volume", \

		.count = 1, \

		.info  = stac92xx_volknob_info, \

		.get   = stac92xx_volknob_get, \

		.put   = stac92xx_volknob_put, \

		.private_value = 127, \

	}





static struct snd_kcontrol_new stac9200_mixer[] = {

	HDA_CODEC_VOLUME("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
@@ -423,6 +467,7 @@ static struct snd_kcontrol_new stac925x_mixer[] = { 
/* This needs to be generated dynamically based on sequence */

static struct snd_kcontrol_new stac922x_mixer[] = {

	STAC_INPUT_SOURCE,

	STAC_VOLKNOB,

	HDA_CODEC_VOLUME("Capture Volume", 0x17, 0x0, HDA_INPUT),

	HDA_CODEC_MUTE("Capture Switch", 0x17, 0x0, HDA_INPUT),

	HDA_CODEC_VOLUME("Mux Capture Volume", 0x12, 0x0, HDA_OUTPUT),
@@ -432,6 +477,7 @@ static struct snd_kcontrol_new stac922x_mixer[] = { 
/* This needs to be generated dynamically based on sequence */

static struct snd_kcontrol_new stac9227_mixer[] = {

	STAC_INPUT_SOURCE,

	STAC_VOLKNOB,

	STAC_ANALOG_LOOPBACK(0xFEB, 0x7EB),

	HDA_CODEC_VOLUME("Capture Volume", 0x15, 0x0, HDA_OUTPUT),

	HDA_CODEC_MUTE("Capture Switch", 0x1b, 0x0, HDA_OUTPUT),
@@ -440,6 +486,7 @@ static struct snd_kcontrol_new stac9227_mixer[] = { 


static struct snd_kcontrol_new stac927x_mixer[] = {

	STAC_INPUT_SOURCE,

	STAC_VOLKNOB,

	STAC_ANALOG_LOOPBACK(0xFEB, 0x7EB),

	HDA_CODEC_VOLUME("InMux Capture Volume", 0x15, 0x0, HDA_OUTPUT),

	HDA_CODEC_VOLUME("InVol Capture Volume", 0x18, 0x0, HDA_INPUT),
@@ -458,6 +505,7 @@ static struct snd_kcontrol_new stac9205_mixer[] = { 
	},

	STAC_INPUT_SOURCE,

	STAC_ANALOG_LOOPBACK(0xFE0, 0x7E0),

	STAC_VOLKNOB,

	HDA_CODEC_VOLUME("InMux Capture Volume", 0x19, 0x0, HDA_OUTPUT),

	HDA_CODEC_VOLUME("InVol Capture Volume", 0x1b, 0x0, HDA_INPUT),

	HDA_CODEC_MUTE("ADCMux Capture Switch", 0x1d, 0x0, HDA_OUTPUT),