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ALSA: hda - Create "Input Source" control dynamically for STAC/IDT

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Instead of fixed kcontrol_new element, build "Input Source" controls
dynamically.  If the number of input-source items is 0 or 1, we don't
need to create such a control.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-01-23 11:57:22 +01:00
parent 028b9445b4
commit e3c7596466
1 changed files with 53 additions and 25 deletions
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78
sound/pci/hda/patch_sigmatel.c
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@ -958,16 +958,6 @@ static struct hda_verb stac9205_core_init[] = {
.private_value = HDA_COMPOSE_AMP_VAL(nid, chs, idx, dir) \
}
#define STAC_INPUT_SOURCE(cnt) \
{ \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = "Input Source", \
.count = cnt, \
.info = stac92xx_mux_enum_info, \
.get = stac92xx_mux_enum_get, \
.put = stac92xx_mux_enum_put, \
}
#define STAC_ANALOG_LOOPBACK(verb_read, verb_write, cnt) \
{ \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
@ -982,7 +972,6 @@ static struct hda_verb stac9205_core_init[] = {
static struct snd_kcontrol_new stac9200_mixer[] = {
HDA_CODEC_VOLUME("Master Playback Volume", 0xb, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Master Playback Switch", 0xb, 0, HDA_OUTPUT),
STAC_INPUT_SOURCE(1),
HDA_CODEC_VOLUME("Capture Volume", 0x0a, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x0a, 0, HDA_OUTPUT),
{ } /* end */
@ -1098,7 +1087,6 @@ static struct snd_kcontrol_new stac92hd83xxx_mixer[] = {
};
static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = {
STAC_INPUT_SOURCE(2),
STAC_ANALOG_LOOPBACK(0xFA0, 0x7A0, 2),
HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT),
@ -1127,7 +1115,6 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = {
};
static struct snd_kcontrol_new stac92hd71bxx_mixer[] = {
STAC_INPUT_SOURCE(2),
STAC_ANALOG_LOOPBACK(0xFA0, 0x7A0, 2),
HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT),
@ -1141,14 +1128,12 @@ static struct snd_kcontrol_new stac92hd71bxx_mixer[] = {
static struct snd_kcontrol_new stac925x_mixer[] = {
HDA_CODEC_VOLUME("Master Playback Volume", 0x0e, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Master Playback Switch", 0x0e, 0, HDA_OUTPUT),
STAC_INPUT_SOURCE(1),
HDA_CODEC_VOLUME("Capture Volume", 0x09, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x14, 0, HDA_OUTPUT),
{ } /* end */
};
static struct snd_kcontrol_new stac9205_mixer[] = {
STAC_INPUT_SOURCE(2),
STAC_ANALOG_LOOPBACK(0xFE0, 0x7E0, 1),
HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1b, 0x0, HDA_INPUT),
@ -1161,7 +1146,6 @@ static struct snd_kcontrol_new stac9205_mixer[] = {
/* This needs to be generated dynamically based on sequence */
static struct snd_kcontrol_new stac922x_mixer[] = {
STAC_INPUT_SOURCE(2),
HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x17, 0x0, HDA_INPUT),
HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x17, 0x0, HDA_INPUT),
@ -1172,7 +1156,6 @@ static struct snd_kcontrol_new stac922x_mixer[] = {
static struct snd_kcontrol_new stac927x_mixer[] = {
STAC_INPUT_SOURCE(3),
STAC_ANALOG_LOOPBACK(0xFEB, 0x7EB, 1),
HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x18, 0x0, HDA_INPUT),
@ -2777,22 +2760,37 @@ static struct snd_kcontrol_new stac92xx_control_templates[] = {
};
/* add dynamic controls */
static int stac92xx_add_control_temp(struct sigmatel_spec *spec,
struct snd_kcontrol_new *ktemp,
int idx, const char *name,
unsigned long val)
static struct snd_kcontrol_new *
stac_control_new(struct sigmatel_spec *spec,
struct snd_kcontrol_new *ktemp,
const char *name)
{
struct snd_kcontrol_new *knew;
snd_array_init(&spec->kctls, sizeof(*knew), 32);
knew = snd_array_new(&spec->kctls);
if (!knew)
return -ENOMEM;
return NULL;
*knew = *ktemp;
knew->index = idx;
knew->name = kstrdup(name, GFP_KERNEL);
if (!knew->name)
if (!knew->name) {
/* roolback */
memset(knew, 0, sizeof(*knew));
spec->kctls.alloced--;
return NULL;
}
return knew;
}
static int stac92xx_add_control_temp(struct sigmatel_spec *spec,
struct snd_kcontrol_new *ktemp,
int idx, const char *name,
unsigned long val)
{
struct snd_kcontrol_new *knew = stac_control_new(spec, ktemp, name);
if (!knew)
return -ENOMEM;
knew->index = idx;
knew->private_value = val;
return 0;
}
@ -2814,6 +2812,29 @@ static inline int stac92xx_add_control(struct sigmatel_spec *spec, int type,
return stac92xx_add_control_idx(spec, type, 0, name, val);
}
static struct snd_kcontrol_new stac_input_src_temp = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Source",
.info = stac92xx_mux_enum_info,
.get = stac92xx_mux_enum_get,
.put = stac92xx_mux_enum_put,
};
static int stac92xx_add_input_source(struct sigmatel_spec *spec)
{
struct snd_kcontrol_new *knew;
struct hda_input_mux *imux = &spec->private_imux;
if (!spec->num_adcs || imux->num_items <= 1)
return 0; /* no need for input source control */
knew = stac_control_new(spec, &stac_input_src_temp,
stac_input_src_temp.name);
if (!knew)
return -ENOMEM;
knew->count = spec->num_adcs;
return 0;
}
/* check whether the line-input can be used as line-out */
static hda_nid_t check_line_out_switch(struct hda_codec *codec)
{
@ -3699,6 +3720,10 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
return err;
}
err = stac92xx_add_input_source(spec);
if (err < 0)
return err;
spec->multiout.max_channels = spec->multiout.num_dacs * 2;
if (spec->multiout.max_channels > 2)
spec->surr_switch = 1;
@ -3812,6 +3837,10 @@ static int stac9200_parse_auto_config(struct hda_codec *codec)
return err;
}
err = stac92xx_add_input_source(spec);
if (err < 0)
return err;
if (spec->autocfg.dig_out_pin)
spec->multiout.dig_out_nid = 0x05;
if (spec->autocfg.dig_in_pin)
@ -5426,7 +5455,6 @@ static struct hda_verb stac9872_core_init[] = {
static struct snd_kcontrol_new stac9872_mixer[] = {
HDA_CODEC_VOLUME("Capture Volume", 0x09, 0, HDA_INPUT),
HDA_CODEC_MUTE("Capture Switch", 0x09, 0, HDA_INPUT),
STAC_INPUT_SOURCE(1),
{ } /* end */
};