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

Takashi Iwai tiwai at suse.de
Tue Jun 11 19:21:25 CEST 2019


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 at 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
> 
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