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ALSA: hda - Add inv_eapd flag to struct hda_codec

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Add the new flag, codec->inv_eapd, indicating that the EAPD
implementation is inverted.

There are always broken hardware in the world.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-12-21 15:23:01 +01:00
parent 38cf6f1a41
commit ecac3ed174
2 changed files with 3 additions and 0 deletions
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1
sound/pci/hda/hda_codec.h
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@ -866,6 +866,7 @@ struct hda_codec {
unsigned int pins_shutup:1; /* pins are shut up */
unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
unsigned int no_jack_detect:1; /* Machine has no jack-detection */
unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
unsigned int pcm_format_first:1; /* PCM format must be set first */
unsigned int epss:1; /* supporting EPSS? */
unsigned int cached_write:1; /* write only to caches */

2
sound/pci/hda/hda_generic.c
View File

@ -545,6 +545,8 @@ static void set_pin_eapd(struct hda_codec *codec, hda_nid_t pin, bool enable)
if (spec->own_eapd_ctl ||
!(snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD))
return;
if (codec->inv_eapd)
enable = !enable;
snd_hda_codec_update_cache(codec, pin, 0,
AC_VERB_SET_EAPD_BTLENABLE,
enable ? 0x02 : 0x00);