ASoC: Intel: byt-max98090: Fix mic detect GPIO polarity

Mic detect GPIO is active low when headset microphone is detected. Found
both by debugging and checking the schematics.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/soc/intel/byt-max98090.c b/sound/soc/intel/byt-max98090.c
index a3c5f02a60fc..3d06440278ec 100644
--- a/sound/soc/intel/byt-max98090.c
+++ b/sound/soc/intel/byt-max98090.c
@@ -83,6 +83,7 @@ static struct snd_soc_jack_gpio hs_jack_gpios[] = {
         {
                 .name           = "mic-gpio",
                 .idx            = 1,
+                .invert         = 1,
                 .report         = SND_JACK_MICROPHONE | SND_JACK_LINEIN,
                 .debounce_time  = 200,
         },