On Tue, 09 Jan 2018 17:37:49 +0100, Petr Kulhavy wrote: > > Hi Takashi, > > thank you for the hint, I will try that. > > Indeed the multichannel is a single control element. Do you mean to > call multiple snd_ctl_elem_value_set_integer() followed by a single > snd_hctl_elem_write() ? > Similar to what is described here > https://alsa.opensrc.org/HowTo_access_a_mixer_control ? Yes, something like that. Takashi > > Thanks > Petr > > On 09/01/18 09:29, Takashi Iwai wrote: > > On Mon, 08 Jan 2018 12:01:34 +0100, > > Petr Kulhavy wrote: > >> Hi, > >> > >> does the ALSA library provide a method to set multiple channel values > >> of a multi-channel mixer element at once? > > It depends. If the multi-channel is implemented in a single control > > element, you can set the whole update and write it in a single shot. > > But maybe not via alsa-lib mixer functions but with raw snd_ctl_*() > > stuff. > > > > > > Takashi > > > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
