ALSA: hda - Add codec->inv_jack_detect flag

Yet another broken hardware workaround: there are hardware indicating
the inverted jack detection bit result.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.h

@@ -867,6 +867,7 @@ struct hda_codec {
 	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 inv_jack_detect:1;	/* broken h/w: inverted detection bit */
 	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_jack.c

@@ -39,6 +39,7 @@ EXPORT_SYMBOL_HDA(is_jack_detectable);
 static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid)
 {
 	u32 pincap;
+	u32 val;
 
 	if (!codec->no_trigger_sense) {
 		pincap = snd_hda_query_pin_caps(codec, nid);
@@ -46,8 +47,11 @@ static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid)
 			snd_hda_codec_read(codec, nid, 0,
 					AC_VERB_SET_PIN_SENSE, 0);
 	}
-	return snd_hda_codec_read(codec, nid, 0,
+	val = snd_hda_codec_read(codec, nid, 0,
 				  AC_VERB_GET_PIN_SENSE, 0);
+	if (codec->inv_jack_detect)
+		val ^= AC_PINSENSE_PRESENCE;
+	return val;
 }
 
 /**