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Commit a891e7b6 authored by Sudheer Papothi's avatar Sudheer Papothi
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ASoC: wcd9xxx: Handle fake mechanical interrupt 



Handle fake mechanical interrupt during slow insertion
of headset.

Change-Id: Ic235568346726d9a5897b618d6b38170b67b99cc
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent c483f012

sound/soc/codecs/wcd9xxx-mbhc.c

+6 −0
Original line number Diff line number Diff line
@@ -3109,6 +3109,7 @@ static void wcd9xxx_correct_swch_plug(struct work_struct *work) 


	mbhc = container_of(work, struct wcd9xxx_mbhc, correct_plug_swch);

	codec = mbhc->codec;

	mbhc->poll_swch_on = true;



	current_source_enable = (((mbhc->mbhc_cfg->cs_enable_flags &

		      (1 << MBHC_CS_ENABLE_POLLING)) != 0) &&
@@ -3287,6 +3288,7 @@ static void wcd9xxx_correct_swch_plug(struct work_struct *work) 
		WCD9XXX_BCL_UNLOCK(mbhc->resmgr);

	}

	pr_debug("%s: leave current_plug(%d)\n", __func__, mbhc->current_plug);

	mbhc->poll_swch_on = false;

	/* unlock sleep */

	wcd9xxx_unlock_sleep(mbhc->resmgr->core_res);

}
@@ -3314,6 +3316,9 @@ static void wcd9xxx_swch_irq_handler(struct wcd9xxx_mbhc *mbhc) 
	pr_debug("%s: Current plug type %d, insert %d\n", __func__,

		 mbhc->current_plug, insert);

	if ((mbhc->current_plug == PLUG_TYPE_NONE) && insert) {

		if (mbhc->poll_swch_on)

			goto exit;



		mbhc->lpi_enabled = false;

		wmb();

		/* cancel detect plug */
@@ -5358,6 +5363,7 @@ int wcd9xxx_mbhc_init(struct wcd9xxx_mbhc *mbhc, struct wcd9xxx_resmgr *resmgr, 
	mbhc->current_plug = PLUG_TYPE_NONE;

	mbhc->lpi_enabled = false;

	mbhc->no_mic_headset_override = false;

	mbhc->poll_swch_on = false;

	mbhc->mbhc_last_resume = 0;

	mbhc->codec = codec;

	mbhc->resmgr = resmgr;

sound/soc/codecs/wcd9xxx-mbhc.h

+1 −0
Original line number Diff line number Diff line
@@ -343,6 +343,7 @@ struct wcd9xxx_mbhc { 
	u8 hphlocp_cnt; /* headphone left ocp retry */

	u8 hphrocp_cnt; /* headphone right ocp retry */



	bool poll_swch_on;

	/* Work to perform MBHC Firmware Read */

	struct delayed_work mbhc_firmware_dwork;

	const struct firmware *mbhc_fw;