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[ALSA] hda-codec - Add independent headphone volume control 

This patch addes the support of the independent 'Headphone' volume
control to the generic codec parser.  Some codecs (e.g. Conexant)
have separate connections to the headphone and the independent amp
adjustment is needed.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
hifive-unleashed-5.1
Takashi Iwai 2006-09-06 14:03:14 +02:00 committed by Jaroslav Kysela
parent 160ea0dc6b
commit a7da6ce564
1 changed files with 54 additions and 21 deletions
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75
sound/pci/hda/hda_generic.c
View File

@ -46,11 +46,18 @@ struct hda_gnode {
};
/* patch-specific record */
#define MAX_PCM_VOLS 2
struct pcm_vol {
struct hda_gnode *node; /* Node for PCM volume */
unsigned int index; /* connection of PCM volume */
};
struct hda_gspec {
struct hda_gnode *dac_node[2]; /* DAC node */
struct hda_gnode *out_pin_node[2]; /* Output pin (Line-Out) node */
struct hda_gnode *pcm_vol_node[2]; /* Node for PCM volume */
unsigned int pcm_vol_index[2]; /* connection of PCM volume */
struct pcm_vol pcm_vol[MAX_PCM_VOLS]; /* PCM volumes */
unsigned int pcm_vol_nodes; /* number of PCM volumes */
struct hda_gnode *adc_node; /* ADC node */
struct hda_gnode *cap_vol_node; /* Node for capture volume */
@ -285,9 +292,11 @@ static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec,
return node == spec->dac_node[dac_idx];
}
spec->dac_node[dac_idx] = node;
if (node->wid_caps & AC_WCAP_OUT_AMP) {
spec->pcm_vol_node[dac_idx] = node;
spec->pcm_vol_index[dac_idx] = 0;
if ((node->wid_caps & AC_WCAP_OUT_AMP) &&
spec->pcm_vol_nodes < MAX_PCM_VOLS) {
spec->pcm_vol[spec->pcm_vol_nodes].node = node;
spec->pcm_vol[spec->pcm_vol_nodes].index = 0;
spec->pcm_vol_nodes++;
}
return 1; /* found */
}
@ -307,13 +316,16 @@ static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec,
select_input_connection(codec, node, i);
unmute_input(codec, node, i);
unmute_output(codec, node);
if (! spec->pcm_vol_node[dac_idx]) {
if (node->wid_caps & AC_WCAP_IN_AMP) {
spec->pcm_vol_node[dac_idx] = node;
spec->pcm_vol_index[dac_idx] = i;
} else if (node->wid_caps & AC_WCAP_OUT_AMP) {
spec->pcm_vol_node[dac_idx] = node;
spec->pcm_vol_index[dac_idx] = 0;
if (spec->dac_node[dac_idx] &&
spec->pcm_vol_nodes < MAX_PCM_VOLS &&
!(spec->dac_node[dac_idx]->wid_caps &
AC_WCAP_OUT_AMP)) {
if ((node->wid_caps & AC_WCAP_IN_AMP) ||
(node->wid_caps & AC_WCAP_OUT_AMP)) {
int n = spec->pcm_vol_nodes;
spec->pcm_vol[n].node = node;
spec->pcm_vol[n].index = i;
spec->pcm_vol_nodes++;
}
}
return 1;
@ -370,7 +382,9 @@ static struct hda_gnode *parse_output_jack(struct hda_codec *codec,
/* set PIN-Out enable */
snd_hda_codec_write(codec, node->nid, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL,
AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
AC_PINCTL_OUT_EN |
((node->pin_caps & AC_PINCAP_HP_DRV) ?
AC_PINCTL_HP_EN : 0));
return node;
}
}
@ -745,18 +759,37 @@ static int check_existing_control(struct hda_codec *codec, const char *type, con
/*
* build output mixer controls
*/
static int create_output_mixers(struct hda_codec *codec, const char **names)
{
struct hda_gspec *spec = codec->spec;
int i, err;
for (i = 0; i < spec->pcm_vol_nodes; i++) {
err = create_mixer(codec, spec->pcm_vol[i].node,
spec->pcm_vol[i].index,
names[i], "Playback");
if (err < 0)
return err;
}
return 0;
}
static int build_output_controls(struct hda_codec *codec)
{
struct hda_gspec *spec = codec->spec;
static const char *types[2] = { "Master", "Headphone" };
int i, err;
static const char *types_speaker[] = { "Speaker", "Headphone" };
static const char *types_line[] = { "Front", "Headphone" };
for (i = 0; i < 2 && spec->pcm_vol_node[i]; i++) {
err = create_mixer(codec, spec->pcm_vol_node[i],
spec->pcm_vol_index[i],
types[i], "Playback");
if (err < 0)
return err;
switch (spec->pcm_vol_nodes) {
case 1:
return create_mixer(codec, spec->pcm_vol[0].node,
spec->pcm_vol[0].index,
"Master", "Playback");
case 2:
if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER)
return create_output_mixers(codec, types_speaker);
else
return create_output_mixers(codec, types_line);
}
return 0;
}