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ALSA: hda - Add EAPD control to generic parser 

Enable EAPD in output path initializations automatically unless the
new flag spec->own_eapd_ctl is set.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
hifive-unleashed-5.1
Takashi Iwai 2012-12-19 13:01:54 +01:00
parent 352f7f914e
commit 731dc3019c
2 changed files with 7 additions and 0 deletions
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6
sound/pci/hda/hda_generic.c
View File

@ -3333,6 +3333,7 @@ EXPORT_SYMBOL_HDA(snd_hda_gen_build_pcms);
static void set_output_and_unmute(struct hda_codec *codec, hda_nid_t pin,
int pin_type, hda_nid_t dac)
{
struct hda_gen_spec *spec = codec->spec;
struct nid_path *path;
snd_hda_set_pin_ctl_cache(codec, pin, pin_type);
@ -3342,6 +3343,11 @@ static void set_output_and_unmute(struct hda_codec *codec, hda_nid_t pin,
if (path->active)
return;
snd_hda_activate_path(codec, path, true, true);
if (!spec->own_eapd_ctl &&
(snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD))
snd_hda_codec_update_cache(codec, pin, 0,
AC_VERB_SET_EAPD_BTLENABLE, 0x02);
}
/* initialize primary output paths */

1
sound/pci/hda/hda_generic.h
View File

@ -150,6 +150,7 @@ struct hda_gen_spec {
unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
unsigned int multi_cap_vol:1; /* allow multiple capture xxx volumes */
unsigned int inv_dmic_split:1; /* inverted dmic w/a for conexant */
unsigned int own_eapd_ctl:1; /* set EAPD by own function */
unsigned int parse_flags; /* passed to snd_hda_parse_pin_defcfg() */