diff mbox series

ALSA: HDA: fix a mask

Message ID 20190611170907.trlfzwdar3xydc5f@debian.ka.intel.com (mailing list archive)
State New, archived
Headers show
Series ALSA: HDA: fix a mask | expand

Commit Message

Guennadi Liakhovetski June 11, 2019, 5:09 p.m. UTC
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@linux.intel.com>
---
 sound/pci/hda/hda_jack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Takashi Iwai June 11, 2019, 5:21 p.m. UTC | #1
On Tue, 11 Jun 2019 19:09:07 +0200,
Guennadi Liakhovetski wrote:
> 
> 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@linux.intel.com>

Applied, thanks.


Takashi

> ---
>  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
> 
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>
diff mbox series

Patch

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)