On Fri, 2010-05-07 at 14:05 +0300, Peter Ujfalusi wrote: > Add support for the core to limit the maximum volume on an > existing control. > The function will modify the soc_mixer_control.max value > of the given control. > The new value must be lower than the original one (chip maximum) > > If there is a need for limiting a gain on a given control, > than machine drivers can do the following in their > snd_soc_dai_link.init function: > > snd_soc_limit_volume(codec, "TPA6140A2 Headphone Playback Volume", 21); > > This will modify the original 31 (chip maximum) to 21, so user > space will not be able to set the gain higher than this. > > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx> > --- Acked-by: Liam Girdwood <lrg@xxxxxxxxxxxxxxx> -- Freelance Developer, SlimLogic Ltd ASoC and Voltage Regulator Maintainer. http://www.slimlogic.co.uk _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
