On Mon, Sep 24, 2018 at 09:08:35AM +1000, Matt Flax wrote:

The cs4265 driver is missing a microphone preamp enable. This patch enables/disables the microphone preamp when mic selection is made using the kcontrol.

Signed-off-by: Matt Flax flatmax@flatmax.org

sound/soc/codecs/cs4265.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c index 275677de..332d714a 100644 --- a/sound/soc/codecs/cs4265.c +++ b/sound/soc/codecs/cs4265.c @@ -230,6 +230,10 @@ static const struct snd_soc_dapm_route cs4265_audio_map[] = { {"DAI1 Capture", NULL, "DOUT"}, {"DAI2 Capture", NULL, "DOUT"},

• { "Pre-amp MIC", NULL, "MICL" },
• { "Pre-amp MIC", NULL, "MICR" },
• { "ADC Mux", "MIC", "Pre-amp MIC" },

This looks good but I think you should also remove the existing routes that put the mic straight into the ADC Mux.

{"ADC Mux", "MIC", "MICL"}, {"ADC Mux", "MIC", "MICR"},

Thanks, Charles