[alsa-devel] [PATCH] hda: STAC927x power management

Takashi Iwai tiwai at suse.de
Thu Feb 21 08:04:51 CET 2008


At Wed, 20 Feb 2008 17:00:39 -0500,
Matthew Ranostay wrote:
> 
> Fix issue on STAC927x codecs that first DAC was getting powered down even if was being used.
> 
> Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>

Thanks, applied now to HG tree.
I guess we can use check_in_dac_nids() instead?


Takashi

> ---
> diff -r 30701aaf404c pci/hda/patch_sigmatel.c
> --- a/pci/hda/patch_sigmatel.c	Wed Feb 20 12:13:29 2008 +0100
> +++ b/pci/hda/patch_sigmatel.c	Wed Feb 20 14:16:59 2008 -0700
> @@ -2893,7 +2893,8 @@ static void stac92xx_power_down(struct h
>  	/* power down inactive DACs */
>  	hda_nid_t *dac;
>  	for (dac = spec->dac_list; *dac; dac++)
> -		if (!is_in_dac_nids(spec, *dac))
> +		if (!is_in_dac_nids(spec, *dac) &&
> +			spec->multiout.hp_nid != *dac)
>  			snd_hda_codec_write_cache(codec, *dac, 0,
>  					AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
>  }
> 


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