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[ALSA] hda: Mic as output fix 

Added logic to check if AUTO_PIN_FRONT_MIC is available for output
switch, if AUTO_PIN_MIC isn't.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Matthew Ranostay 2008-02-22 17:55:05 +01:00 committed by Takashi Iwai
parent 88d18ea2c2
commit ae0afd81b3
1 changed files with 33 additions and 25 deletions
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58
sound/pci/hda/patch_sigmatel.c
View File

@ -2307,6 +2307,29 @@ static int create_controls(struct sigmatel_spec *spec, const char *pfx, hda_nid_
return 0;
}
static int add_spec_dacs(struct sigmatel_spec *spec, hda_nid_t nid)
{
if (!spec->multiout.hp_nid)
spec->multiout.hp_nid = nid;
else if (spec->multiout.num_dacs > 4) {
printk(KERN_WARNING "stac92xx: No space for DAC 0x%x\n", nid);
return 1;
} else {
spec->multiout.dac_nids[spec->multiout.num_dacs] = nid;
spec->multiout.num_dacs++;
}
return 0;
}
static int check_in_dac_nids(struct sigmatel_spec *spec, hda_nid_t nid)
{
if (is_in_dac_nids(spec, nid))
return 1;
if (spec->multiout.hp_nid == nid)
return 1;
return 0;
}
/* add playback controls from the parsed DAC table */
static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
const struct auto_pin_cfg *cfg)
@ -2369,10 +2392,11 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
if (spec->mic_switch) {
unsigned int def_conf;
nid = cfg->input_pins[AUTO_PIN_MIC];
unsigned int mic_pin = AUTO_PIN_MIC;
again:
nid = cfg->input_pins[mic_pin];
def_conf = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_CONFIG_DEFAULT, 0);
/* some laptops have an internal analog microphone
* which can't be used as a output */
if (get_defcfg_connect(def_conf) != AC_JACK_PORT_FIXED) {
@ -2382,38 +2406,22 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec,
err = stac92xx_add_control(spec,
STAC_CTL_WIDGET_IO_SWITCH,
"Mic as Output Switch", (nid << 8) | 1);
nid = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_CONNECT_LIST, 0) & 0xff;
if (!check_in_dac_nids(spec, nid))
add_spec_dacs(spec, nid);
if (err < 0)
return err;
}
} else if (mic_pin == AUTO_PIN_MIC) {
mic_pin = AUTO_PIN_FRONT_MIC;
goto again;
}
}
return 0;
}
static int check_in_dac_nids(struct sigmatel_spec *spec, hda_nid_t nid)
{
if (is_in_dac_nids(spec, nid))
return 1;
if (spec->multiout.hp_nid == nid)
return 1;
return 0;
}
static int add_spec_dacs(struct sigmatel_spec *spec, hda_nid_t nid)
{
if (!spec->multiout.hp_nid)
spec->multiout.hp_nid = nid;
else if (spec->multiout.num_dacs > 4) {
printk(KERN_WARNING "stac92xx: No space for DAC 0x%x\n", nid);
return 1;
} else {
spec->multiout.dac_nids[spec->multiout.num_dacs] = nid;
spec->multiout.num_dacs++;
}
return 0;
}
/* add playback controls for Speaker and HP outputs */
static int stac92xx_auto_create_hp_ctls(struct hda_codec *codec,
struct auto_pin_cfg *cfg)