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ALSA: hda - Parse more deep input-source routes in Conexant auto-parser

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Handle not only a single-depth input-route but two-level depth routes
(PIN->MUX->ADC), too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-05-13 18:36:37 +02:00
parent f6100bb4b8
commit 5c9887e087
1 changed files with 52 additions and 21 deletions
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73
sound/pci/hda/patch_conexant.c
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@ -3276,15 +3276,6 @@ static int get_connection_index(struct hda_codec *codec, hda_nid_t mux,
return -1;
}
static int has_multi_connection(struct hda_codec *codec, hda_nid_t mux)
{
hda_nid_t conn[HDA_MAX_NUM_INPUTS];
int nums;
nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
return nums > 1;
}
/* get an unassigned DAC from the given list.
* Return the nid if found and reduce the DAC list, or return zero if
* not found
@ -3455,6 +3446,51 @@ static int cx_auto_mux_enum_get(struct snd_kcontrol *kcontrol,
return 0;
}
/* look for the route the given pin from mux and return the index;
* if do_select is set, actually select the route.
*/
static int __select_input_connection(struct hda_codec *codec, hda_nid_t mux,
hda_nid_t pin, bool do_select, int depth)
{
hda_nid_t conn[HDA_MAX_NUM_INPUTS];
int i, nums;
nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
for (i = 0; i < nums; i++)
if (conn[i] == pin) {
if (do_select)
snd_hda_codec_write(codec, mux, 0,
AC_VERB_SET_CONNECT_SEL, i);
return i;
}
depth++;
if (depth == 2)
return -1;
for (i = 0; i < nums; i++) {
int ret = __select_input_connection(codec, conn[i], pin,
do_select, depth);
if (ret >= 0) {
if (do_select)
snd_hda_codec_write(codec, mux, 0,
AC_VERB_SET_CONNECT_SEL, i);
return ret;
}
}
return -1;
}
static void select_input_connection(struct hda_codec *codec, hda_nid_t mux,
hda_nid_t pin)
{
__select_input_connection(codec, mux, pin, true, 0);
}
static int get_input_connection(struct hda_codec *codec, hda_nid_t mux,
hda_nid_t pin)
{
return __select_input_connection(codec, mux, pin, false, 0);
}
static int cx_auto_mux_enum_update(struct hda_codec *codec,
const struct hda_input_mux *imux,
unsigned int idx)
@ -3469,10 +3505,8 @@ static int cx_auto_mux_enum_update(struct hda_codec *codec,
if (spec->cur_mux[0] == idx)
return 0;
adc = spec->imux_adcs[idx];
if (has_multi_connection(codec, adc))
snd_hda_codec_write(codec, adc, 0,
AC_VERB_SET_CONNECT_SEL,
imux->items[idx].index);
select_input_connection(codec, spec->imux_adcs[idx],
spec->imux_pins[idx]);
if (spec->cur_adc && spec->cur_adc != adc) {
/* stream is running, let's swap the current ADC */
__snd_hda_codec_cleanup_stream(codec, spec->cur_adc, 1);
@ -3584,8 +3618,8 @@ static void cx_auto_parse_input(struct hda_codec *codec)
for (i = 0; i < cfg->num_inputs; i++) {
for (j = 0; j < spec->num_adc_nids; j++) {
hda_nid_t adc = spec->adc_nids[j];
int idx = get_connection_index(codec, adc,
cfg->inputs[i].pin);
int idx = get_input_connection(codec, adc,
cfg->inputs[i].pin);
if (idx >= 0) {
const char *label;
label = hda_get_autocfg_input_label(codec, cfg, i);
@ -3791,11 +3825,8 @@ static void cx_auto_init_input(struct hda_codec *codec)
AC_USRSP_EN | CONEXANT_MIC_EVENT);
cx_auto_automic(codec);
} else {
for (i = 0; i < spec->num_adc_nids; i++) {
snd_hda_codec_write(codec, spec->adc_nids[i], 0,
AC_VERB_SET_CONNECT_SEL,
spec->private_imux.items[0].index);
}
select_input_connection(codec, spec->imux_adcs[0],
spec->imux_pins[0]);
}
}
@ -3924,7 +3955,7 @@ static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid,
for (i = 0; i < spec->num_adc_nids; i++) {
hda_nid_t adc_nid = spec->adc_nids[i];
int idx = get_connection_index(codec, adc_nid, nid);
int idx = get_input_connection(codec, adc_nid, nid);
if (idx < 0)
continue;
return cx_auto_add_volume_idx(codec, label, pfx,