extcon: arizona: Raise minimum microphone impedance for HPDET method
Ensure greater reliability by increasing the minimum threashold for
identifying a microphone.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 132bc99..2f0bd49 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -519,7 +519,7 @@
* measure the mic as high impedance.
*/
if ((info->hpdet_res[0] > info->hpdet_res[1] * 2) ||
- (id_gpio && info->hpdet_res[2] > 10)) {
+ (id_gpio && info->hpdet_res[2] > 1257)) {
dev_dbg(arizona->dev, "Detected mic\n");
info->mic = true;
info->detecting = true;