[alsa-devel] On HD codec valid command working only on hwdep hda-verb and embedded on function snd_hda_multi_out_analog_open

[Takashi Iwai]

At Sat, 07 Jun 2014 13:10:20 +0300,
asd wrote:
> 
> Hi
> 
> On patch_realtek can't run snd_hda_write.Only situations when run 
> snd_hda_write is to run inside off snd_hda_multi_out_analog_open function 
> (suppose to when sream is on codec is weak up and become online.

Sorry, I don't understand at all what you wrote.
Could you elaborate?


Takashi

> Index: hda/hda_codec.c
> ===================================================================
> --- hda.orig/hda_codec.c	2014-06-07 12:38:24.000000000 +0300
> +++ hda/hda_codec.c	2014-06-07 12:51:16.173510291 +0300
> @@ -5420,6 +5420,8 @@
>  		}
>  		mutex_unlock(&codec->spdif_mutex);
>  	}
> +	snd_hda_codec_write(codec, 0x14, 0,
> +		AC_VERB_SET_PIN_WIDGET_CONTROL, 0xc0);
>  	return snd_pcm_hw_constraint_step(substream->runtime, 0,
>  					  SNDRV_PCM_HW_PARAM_CHANNELS, 2);
>  }
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