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Commit 82e2e0fd authored by Mark Brown's avatar Mark Brown
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extcon: arizona: Raise minimum microphone impedance for HPDET method 



Ensure greater reliability by increasing the minimum threashold for
identifying a microphone.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent e56a0a57

drivers/extcon/extcon-arizona.c

+1 −1
Original line number Diff line number Diff line
@@ -519,7 +519,7 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading) 
		 * 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;