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Merge "ASoC: mbhc: Modify special headset detection"

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Linux Build Service Account 2017-04-04 03:08:17 -07:00 • committed by Gerrit - the friendly Code Review server
commit 4c332132fc
1 changed files with 35 additions and 2 deletions
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37
sound/soc/codecs/wcd-mbhc-v2.c
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@ -53,7 +53,7 @@
#define WCD_MBHC_BTN_PRESS_COMPL_TIMEOUT_MS 50
#define ANC_DETECT_RETRY_CNT 7
#define WCD_MBHC_SPL_HS_CNT 2
#define WCD_MBHC_SPL_HS_CNT 1
static int det_extn_cable_en;
module_param(det_extn_cable_en, int,
@ -1162,7 +1162,7 @@ static void wcd_correct_swch_plug(struct work_struct *work)
bool wrk_complete = false;
int pt_gnd_mic_swap_cnt = 0;
int no_gnd_mic_swap_cnt = 0;
bool is_pa_on = false, spl_hs = false;
bool is_pa_on = false, spl_hs = false, spl_hs_reported = false;
bool micbias2 = false;
bool micbias1 = false;
int ret = 0;
@ -1368,6 +1368,16 @@ correct_plug_type:
plug_type);
if (!(plug_type == MBHC_PLUG_TYPE_GND_MIC_SWAP)) {
plug_type = MBHC_PLUG_TYPE_HEADSET;
if (!spl_hs_reported &&
spl_hs_count == WCD_MBHC_SPL_HS_CNT) {
spl_hs_reported = true;
WCD_MBHC_RSC_LOCK(mbhc);
wcd_mbhc_find_plug_and_report(mbhc,
plug_type);
WCD_MBHC_RSC_UNLOCK(mbhc);
continue;
} else if (spl_hs_reported)
continue;
/*
* Report headset only if not already reported
* and if there is not button press without
@ -1442,6 +1452,29 @@ exit:
!mbhc->micbias_enable)
mbhc->mbhc_cb->mbhc_micbias_control(codec, MIC_BIAS_2,
MICB_DISABLE);
/*
* If plug type is corrected from special headset to headphone,
* clear the micbias enable flag, set micbias back to 1.8V and
* disable micbias.
*/
if (plug_type == MBHC_PLUG_TYPE_HEADPHONE &&
mbhc->micbias_enable) {
if (mbhc->mbhc_cb->mbhc_micbias_control)
mbhc->mbhc_cb->mbhc_micbias_control(
codec, MIC_BIAS_2,
MICB_DISABLE);
if (mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic)
mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic(
codec,
MIC_BIAS_2, false);
if (mbhc->mbhc_cb->set_micbias_value) {
mbhc->mbhc_cb->set_micbias_value(codec);
WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0);
}
mbhc->micbias_enable = false;
}
if (mbhc->mbhc_cb->micbias_enable_status) {
micbias1 = mbhc->mbhc_cb->micbias_enable_status(mbhc,
MIC_BIAS_1);