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Commit 8d772b0e authored by Karthikeyan Mani's avatar Karthikeyan Mani
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asoc: wcd-mbhc: enable mbhc clk based on L_DET 



Enable or disable mbhc clk in sync with L_DET
so that L_DET interrupt is not raised for
false positives for usbc analog.

Change-Id: I69792e8dc82cdc80751f2c1c705f603074cb9a2f
Signed-off-by: default avatarKarthikeyan Mani <kmani@codeaurora.org>
parent 257abe3e

asoc/codecs/wcd-mbhc-v2.c

+12 −3
Original line number Diff line number Diff line
@@ -959,8 +959,11 @@ static void wcd_mbhc_swch_irq_handler(struct wcd_mbhc *mbhc) 
		mbhc->extn_cable_hph_rem = false;

		wcd_mbhc_report_plug(mbhc, 0, jack_type);



		if (mbhc->mbhc_cfg->enable_usbc_analog)

		if (mbhc->mbhc_cfg->enable_usbc_analog) {

			WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 0);

			if (mbhc->mbhc_cb->clk_setup)

				mbhc->mbhc_cb->clk_setup(mbhc->codec, false);

		}



	} else if (!detection_type) {

		/* Disable external voltage source to micbias if present */
@@ -1342,8 +1345,12 @@ static int wcd_mbhc_initialise(struct wcd_mbhc *mbhc) 
	/* enable bias */

	mbhc->mbhc_cb->mbhc_bias(codec, true);

	/* enable MBHC clock */

	if (mbhc->mbhc_cb->clk_setup)

	if (mbhc->mbhc_cb->clk_setup) {

		if (mbhc->mbhc_cfg->enable_usbc_analog)

			mbhc->mbhc_cb->clk_setup(codec, false);

		else

			mbhc->mbhc_cb->clk_setup(codec, true);

	}



	/* program HS_VREF value */

	wcd_program_hs_vref(mbhc);
@@ -1505,6 +1512,8 @@ static int wcd_mbhc_usbc_ana_event_handler(struct notifier_block *nb, 
	dev_dbg(mbhc->codec->dev, "%s: mode = %lu\n", __func__, mode);



	if (mode == POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER) {

		if (mbhc->mbhc_cb->clk_setup)

			mbhc->mbhc_cb->clk_setup(mbhc->codec, true);

		/* insertion detected, enable L_DET_EN */

		WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 1);

	}