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asoc: codecs: mbhc: Detect cross connection for mono headsets

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Mono headsets have only one channel connected. Hence make cross
connection decision based on the voltage result of alteast one
channel showing cross connection.

Change-Id: I22a4ea7e25d09e785e7141f4a74c2830fdff555e
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
This commit is contained in:
Ramprasad Katkam 2018-12-12 09:29:15 +05:30 committed by Meng Wang
parent 63f4815535
commit ebcfca4e9a
1 changed files with 2 additions and 2 deletions
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4
asoc/codecs/wcd-mbhc-adc.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
#include <linux/init.h>
@ -313,7 +313,7 @@ static int wcd_check_cross_conn(struct wcd_mbhc *mbhc)
goto done;
}
if (hphl_adc_res > 100 && hphr_adc_res > 100) {
if (hphl_adc_res > 100 || hphr_adc_res > 100) {
plug_type = MBHC_PLUG_TYPE_GND_MIC_SWAP;
pr_debug("%s: Cross connection identified\n", __func__);
} else {