[alsa-devel] [PATCH v2] ALSA: hda - show ICT/KAE control bits

[Takashi Iwai]

At Mon, 13 Aug 2012 15:43:49 +0800,
Wang Xingchao wrote:
> 
> Enable two debug options for S/PDIF Converter Control.
> KAE: Keep Alive Enable; ICT: IEC Coding Type.
> 
> Signed-off-by: Wang Xingchao <xingchao.wang at intel.com>

Applied to for-next branch.  Thanks.


Takashi

> ---
>  sound/pci/hda/hda_codec.h |    4 ++++
>  sound/pci/hda/hda_proc.c  |    9 ++++++++-
>  2 files changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
> index c422d33..afd2af0 100644
> --- a/sound/pci/hda/hda_codec.h
> +++ b/sound/pci/hda/hda_codec.h
> @@ -386,6 +386,10 @@ enum {
>  /* DIGITAL2 bits */
>  #define AC_DIG2_CC			(0x7f<<0)
>  
> +/* DIGITAL3 bits */
> +#define AC_DIG3_ICT			(0xf<<0)
> +#define AC_DIG3_KAE			(1<<7)
> +
>  /* Pin widget control - 8bit */
>  #define AC_PINCTL_EPT			(0x3<<0)
>  #define AC_PINCTL_EPT_NATIVE		0
> diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
> index 7e46258..32bb3d9 100644
> --- a/sound/pci/hda/hda_proc.c
> +++ b/sound/pci/hda/hda_proc.c
> @@ -402,6 +402,9 @@ static void print_digital_conv(struct snd_info_buffer *buffer,
>  {
>  	unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
>  						AC_VERB_GET_DIGI_CONVERT_1, 0);
> +	unsigned char digi2 = digi1 >> 8;
> +	unsigned char digi3 = digi1 >> 16;
> +
>  	snd_iprintf(buffer, "  Digital:");
>  	if (digi1 & AC_DIG1_ENABLE)
>  		snd_iprintf(buffer, " Enabled");
> @@ -419,9 +422,13 @@ static void print_digital_conv(struct snd_info_buffer *buffer,
>  		snd_iprintf(buffer, " Pro");
>  	if (digi1 & AC_DIG1_LEVEL)
>  		snd_iprintf(buffer, " GenLevel");
> +	if (digi3 & AC_DIG3_KAE)
> +		snd_iprintf(buffer, " KAE");
>  	snd_iprintf(buffer, "\n");
>  	snd_iprintf(buffer, "  Digital category: 0x%x\n",
> -		    (digi1 >> 8) & AC_DIG2_CC);
> +		    digi2 & AC_DIG2_CC);
> +	snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
> +			digi3 & AC_DIG3_ICT);
>  }
>  
>  static const char *get_pwr_state(u32 state)
> -- 
> 1.7.9.5
> 
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