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[ALSA] hda-codec - add support for swapping center/LFE channels to STAC codecs 

Center/LFE channels are located on same jack, so it can be usefull
to swap them.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Maxim Levitsky 2007-09-03 15:29:04 +02:00 committed by Jaroslav Kysela
parent d804ad9258
commit 0fb87bb474
1 changed files with 72 additions and 4 deletions
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76
sound/pci/hda/patch_sigmatel.c
View File

@ -146,6 +146,7 @@ struct sigmatel_spec {
/* i/o switches */
unsigned int io_switch[2];
unsigned int clfe_swap;
struct hda_pcm pcm_rec[2]; /* PCM information */
@ -1406,6 +1407,36 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
return 1;
}
#define stac92xx_clfe_switch_info snd_ctl_boolean_mono_info
static int stac92xx_clfe_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct sigmatel_spec *spec = codec->spec;
ucontrol->value.integer.value[0] = spec->clfe_swap;
return 0;
}
static int stac92xx_clfe_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct sigmatel_spec *spec = codec->spec;
hda_nid_t nid = kcontrol->private_value & 0xff;
if (spec->clfe_swap == ucontrol->value.integer.value[0])
return 0;
spec->clfe_swap = ucontrol->value.integer.value[0];
snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_EAPD_BTLENABLE,
spec->clfe_swap ? 0x4 : 0x0);
return 1;
}
#define STAC_CODEC_IO_SWITCH(xname, xpval) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
@ -1416,17 +1447,28 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
.private_value = xpval, \
}
#define STAC_CODEC_CLFE_SWITCH(xname, xpval) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
.index = 0, \
.info = stac92xx_clfe_switch_info, \
.get = stac92xx_clfe_switch_get, \
.put = stac92xx_clfe_switch_put, \
.private_value = xpval, \
}
enum {
STAC_CTL_WIDGET_VOL,
STAC_CTL_WIDGET_MUTE,
STAC_CTL_WIDGET_IO_SWITCH,
STAC_CTL_WIDGET_CLFE_SWITCH
};
static struct snd_kcontrol_new stac92xx_control_templates[] = {
HDA_CODEC_VOLUME(NULL, 0, 0, 0),
HDA_CODEC_MUTE(NULL, 0, 0, 0),
STAC_CODEC_IO_SWITCH(NULL, 0),
STAC_CODEC_CLFE_SWITCH(NULL, 0),
};
/* add dynamic controls */
@ -1620,7 +1662,7 @@ static int create_controls(struct sigmatel_spec *spec, const char *pfx, hda_nid_
}
/* add playback controls from the parsed DAC table */
static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec,
static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
const struct auto_pin_cfg *cfg)
{
static const char *chname[4] = {
@ -1629,6 +1671,10 @@ static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec,
hda_nid_t nid;
int i, err;
struct sigmatel_spec *spec = codec->spec;
unsigned int wid_caps;
for (i = 0; i < cfg->line_outs; i++) {
if (!spec->multiout.dac_nids[i])
continue;
@ -1643,6 +1689,18 @@ static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec,
err = create_controls(spec, "LFE", nid, 2);
if (err < 0)
return err;
wid_caps = get_wcaps(codec, nid);
if (wid_caps & AC_WCAP_LR_SWAP) {
err = stac92xx_add_control(spec,
STAC_CTL_WIDGET_CLFE_SWITCH,
"Swap Center/LFE Playback Switch", nid);
if (err < 0)
return err;
}
} else {
err = create_controls(spec, chname[i], nid, 3);
if (err < 0)
@ -1895,9 +1953,19 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out
if ((err = stac92xx_auto_fill_dac_nids(codec, &spec->autocfg)) < 0)
return err;
if ((err = stac92xx_auto_create_multi_out_ctls(spec, &spec->autocfg)) < 0 ||
(err = stac92xx_auto_create_hp_ctls(codec, &spec->autocfg)) < 0 ||
(err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg)) < 0)
err = stac92xx_auto_create_multi_out_ctls(codec, &spec->autocfg);
if (err < 0)
return err;
err = stac92xx_auto_create_hp_ctls(codec, &spec->autocfg);
if (err < 0)
return err;
err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg);
if (err < 0)
return err;
if (spec->num_dmics > 0)