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asoc: wcd-mbhc: enable mbhc clk based on L_DET

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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: Karthikeyan Mani <kmani@codeaurora.org>
This commit is contained in:
Karthikeyan Mani
2018-03-21 19:52:32 -07:00
parent 257abe3e99
commit 8d772b0efb
1 changed files with 12 additions and 3 deletions
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15
asoc/codecs/wcd-mbhc-v2.c
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@@ -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)
mbhc->mbhc_cb->clk_setup(codec, true);
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);
}