[ALSA] hda-codec - Fix AD1986A Lenovo auto-mute

The jack detection bit on AD1986A Lenovo N100 seems inverse from
the standard definition.  Now fixed the detection properly.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/pci/hda/patch_analog.c

@@ -612,7 +612,8 @@ static void ad1986a_hp_automute(struct hda_codec *codec)
 	unsigned int present;
 
 	present = snd_hda_codec_read(codec, 0x1a, 0, AC_VERB_GET_PIN_SENSE, 0);
-	spec->jack_present = (present & 0x80000000) != 0;
+	/* Lenovo N100 seems to report the reversed bit for HP jack-sensing */
+	spec->jack_present = !(present & 0x80000000);
 	ad1986a_update_hp(codec);
 }