[alsa-devel] [PATCH] [RFC 8/13] Intel SST sound card driver

[Takashi Iwai]

At Tue, 7 Jul 2009 11:50:46 +0530,
Harsha, Priya wrote:
> 
> >
> >> +	.access 	=	SNDRV_CTL_ELEM_ACCESS_READWRITE,
> >> +	.info 		=	snd_intelmad_line_volume_info,
> >> +	.get 		=	snd_intelmad_volume_get,
> >> +	.put		=	snd_intelmad_volume_set,
> >
> >Can it have the dB information via TLV?
> No. It actually differs across the 3 sound cards supported and it's
> not a direct TLV that can be used.

Then you'd set a static TLV entry after creating the ctl element
instance, or return a TLV entry dynamically via the tlv callback.

The dB information is pretty important nowadays since pulseaudio is
using it.


Takashi