[alsa-devel] [PATCH v2] ASoC: ak4642: Add Digital Playback Volume control

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Jun 30 14:59:55 CEST 2010

On Tue, Jun 29, 2010 at 04:24:19PM +0900, Kuninori Morimoto wrote:

> +	/* default volume */
> +	ak4642_write(codec, L_DVC, 0x28);
> +	ak4642_write(codec, R_DVC, 0x28);
> +

Unless there is a particular reason to do so we should trust the chip
default volume.  A volume which is sensible in one appolication may not
be appropriate in another (eg, using a different output path or with an
external amplifier).

More information about the Alsa-devel mailing list