[alsa-devel] [PATCH] hda: 83xxx port 0xe DAC selection

Takashi Iwai tiwai at suse.de
Wed Jan 21 01:26:14 CET 2009


At Tue, 20 Jan 2009 16:50:25 -0500,
Matthew Ranostay wrote:
> 
> On the 92hd8xxx codecs port 0xe needs the connection selected to be the
> last DAC in the list.
> 
> Signed-off-by: Matthew Ranostay <mranostay at embeddedalley.com>

Applied now.  Thanks.

Takashi

> ---
> 
> diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
> index a4d4afe..7badec0 100644
> --- a/sound/pci/hda/patch_sigmatel.c
> +++ b/sound/pci/hda/patch_sigmatel.c
> @@ -841,10 +841,6 @@ static struct hda_verb stac92hd73xx_10ch_core_init[] = {
>  };
>  
>  static struct hda_verb stac92hd83xxx_core_init[] = {
> -	/* start of config #1 */
> -	{ 0xe, AC_VERB_SET_CONNECT_SEL, 0x3},
> -
> -	/* start of config #2 */
>  	{ 0xa, AC_VERB_SET_CONNECT_SEL, 0x0},
>  	{ 0xb, AC_VERB_SET_CONNECT_SEL, 0x0},
>  	{ 0xd, AC_VERB_SET_CONNECT_SEL, 0x1},
> @@ -4754,7 +4750,9 @@ static struct hda_input_mux stac92hd83xxx_dmux = {
>  static int patch_stac92hd83xxx(struct hda_codec *codec)
>  {
>  	struct sigmatel_spec *spec;
> +	hda_nid_t conn[STAC92HD83_DAC_COUNT + 1];
>  	int err;
> +	int num_dacs;
>  
>  	spec  = kzalloc(sizeof(*spec), GFP_KERNEL);
>  	if (spec == NULL)
> @@ -4773,13 +4771,21 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
>  	spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids);
>  	spec->multiout.dac_nids = spec->dac_nids;
>  
> +
> +	/* set port 0xe to select the last DAC
> + 	 */
> +	num_dacs = snd_hda_get_connections(codec, 0x0e,
> +		conn, STAC92HD83_DAC_COUNT + 1) - 1;
> +
> +	snd_hda_codec_write_cache(codec, 0xe, 0,
> +		AC_VERB_SET_CONNECT_SEL, num_dacs);
> +
>  	spec->init = stac92hd83xxx_core_init;
>  	switch (codec->vendor_id) {
>  	case 0x111d7605:
>  		break;
>  	default:
>  		spec->num_pwrs--;
> -		spec->init++; /* switch to config #2 */
>  	}
>  
>  	spec->mixer = stac92hd83xxx_mixer;
> 


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