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Commit ecac3ed1 authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: hda - Add inv_eapd flag to struct hda_codec 



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: default avatarTakashi Iwai <tiwai@suse.de>
parent 38cf6f1a

sound/pci/hda/hda_codec.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */

sound/pci/hda/hda_generic.c

+2 −0
Original line number Diff line number Diff line
@@ -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);