[alsa-devel] [PATCH] ALSA: HDA: fix a mask

[Guennadi Liakhovetski]

Response tag only occupies 6 bits, not 7. This bug is harmless, since
the value has just been shifted to the right by 26 bits, so this is
only a cosmetic fix.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski at linux.intel.com>
---
 sound/pci/hda/hda_jack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c
index 74b4695..60a5485 100644
--- a/sound/pci/hda/hda_jack.c
+++ b/sound/pci/hda/hda_jack.c
@@ -563,7 +563,7 @@ static void call_jack_callback(struct hda_codec *codec, unsigned int res,
 void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res)
 {
 	struct hda_jack_tbl *event;
-	int tag = (res >> AC_UNSOL_RES_TAG_SHIFT) & 0x7f;
+	int tag = (res & AC_UNSOL_RES_TAG) >> AC_UNSOL_RES_TAG_SHIFT;
 
 	event = snd_hda_jack_tbl_get_from_tag(codec, tag);
 	if (!event)
-- 
1.9.3