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: Takashi Iwai <tiwai@suse.de>

2 files changed, 3 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 2d9a51cb4a8e..369ffafae8a9 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -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 */
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index ff15aea836da..f5bc1853ddd8 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -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);