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ALSA: hda - introduce snd_hda_jack_detect() and snd_hda_pin_sense()

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This helps merge duplicate code.

v2: add snd_hda_jack_detect() and comments recommended by Takashi.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Wu Fengguang
2009-11-18 12:38:02 +08:00
committed by Takashi Iwai
parent 23ccc2bd24
commit 864f92be7e
5 changed files with 91 additions and 177 deletions
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19
sound/pci/hda/patch_cirrus.c
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@ -807,7 +807,7 @@ static void cs_automute(struct hda_codec *codec)
{
struct cs_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->autocfg;
unsigned int caps, present, hp_present;
unsigned int caps, hp_present;
hda_nid_t nid;
int i;
@ -817,12 +817,7 @@ static void cs_automute(struct hda_codec *codec)
caps = snd_hda_query_pin_caps(codec, nid);
if (!(caps & AC_PINCAP_PRES_DETECT))
continue;
if (caps & AC_PINCAP_TRIG_REQ)
snd_hda_codec_read(codec, nid, 0,
AC_VERB_SET_PIN_SENSE, 0);
present = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_PIN_SENSE, 0);
hp_present |= (present & AC_PINSENSE_PRESENCE) != 0;
hp_present = snd_hda_jack_detect(codec, nid);
if (hp_present)
break;
}
@ -844,15 +839,11 @@ static void cs_automic(struct hda_codec *codec)
struct cs_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->autocfg;
hda_nid_t nid;
unsigned int caps, present;
unsigned int present;
nid = cfg->input_pins[spec->automic_idx];
caps = snd_hda_query_pin_caps(codec, nid);
if (caps & AC_PINCAP_TRIG_REQ)
snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
present = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_PIN_SENSE, 0);
if (present & AC_PINSENSE_PRESENCE)
present = snd_hda_jack_detect(codec, nid);
if (present)
change_cur_input(codec, spec->automic_idx, 0);
else {
unsigned int imic = (spec->automic_idx == AUTO_PIN_MIC) ?