On Fri, Jan 05, 2018 at 12:39:57PM -0800, Matthias Kaehlcke wrote: > The DMIC DAI driver specifies a number of 1 to 8 channels for each DAI. > The actual number of mics can currently not be configured in the device > tree or audio glue, but is derived from the min/max channels of the CPU > and codec DAI. A typical CPU DAI has two or more channels, in consequence > a single mic is treated as a stereo/multi channel device, even though > only one channel carries audio data. > > This change adds the option to specify the number of used DMIC channels > in the device tree. When specified this value overwrites the default > channels_max value of 8 in the snd_soc_dai_driver struct of the codec. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/sound/dmic.txt | 2 ++ Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > sound/soc/codecs/dmic.c | 24 +++++++++++++++++++++++- > 2 files changed, 25 insertions(+), 1 deletion(-) _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
