ASoC: wcd9xxx: Add support for MBHC 5-pole plug detection
Add support to determine the presence of second microphone
on a 5-pole plug used for active noise cancellation.
Change-Id: I85227a00c47fed1d0e4453b77902c1b473097a5b
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
diff --git a/sound/soc/codecs/wcd9xxx-mbhc.c b/sound/soc/codecs/wcd9xxx-mbhc.c
index 32ca0c6..8746f5a 100644
--- a/sound/soc/codecs/wcd9xxx-mbhc.c
+++ b/sound/soc/codecs/wcd9xxx-mbhc.c
@@ -43,7 +43,7 @@
#define WCD9XXX_JACK_MASK (SND_JACK_HEADSET | SND_JACK_OC_HPHL | \
SND_JACK_OC_HPHR | SND_JACK_LINEOUT | \
- SND_JACK_UNSUPPORTED)
+ SND_JACK_UNSUPPORTED | SND_JACK_MICROPHONE2)
#define WCD9XXX_JACK_BUTTON_MASK (SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
SND_JACK_BTN_2 | SND_JACK_BTN_3 | \
SND_JACK_BTN_4 | SND_JACK_BTN_5 | \
@@ -179,7 +179,10 @@
uint32_t *zr);
static s16 wcd9xxx_get_current_v(struct wcd9xxx_mbhc *mbhc,
const enum wcd9xxx_current_v_idx idx);
-static void wcd9xxx_get_z(struct wcd9xxx_mbhc *mbhc, s16 *dce_z, s16 *sta_z);
+static void wcd9xxx_get_z(struct wcd9xxx_mbhc *mbhc, s16 *dce_z, s16 *sta_z,
+ struct mbhc_micbias_regs *micb_regs,
+ bool norel);
+
static void wcd9xxx_mbhc_calc_thres(struct wcd9xxx_mbhc *mbhc);
static bool wcd9xxx_mbhc_polling(struct wcd9xxx_mbhc *mbhc)
@@ -610,13 +613,23 @@
}
static void wcd9xxx_get_mbhc_micbias_regs(struct wcd9xxx_mbhc *mbhc,
- struct mbhc_micbias_regs *micbias_regs)
+ enum wcd9xxx_mbhc_micbias_type mb_type)
{
unsigned int cfilt;
struct wcd9xxx_micbias_setting *micbias_pdata =
mbhc->resmgr->micbias_pdata;
+ struct mbhc_micbias_regs *micbias_regs;
+ enum wcd9xxx_micbias_num mb_num;
- switch (mbhc->mbhc_cfg->micbias) {
+ if (mb_type == MBHC_ANC_MIC_MB) {
+ micbias_regs = &mbhc->mbhc_anc_bias_regs;
+ mb_num = mbhc->mbhc_cfg->anc_micbias;
+ } else {
+ micbias_regs = &mbhc->mbhc_bias_regs;
+ mb_num = mbhc->mbhc_cfg->micbias;
+ }
+
+ switch (mb_num) {
case MBHC_MICBIAS1:
cfilt = micbias_pdata->bias1_cfilt_sel;
micbias_regs->mbhc_reg = WCD9XXX_A_MICB_1_MBHC;
@@ -654,19 +667,31 @@
case WCD9XXX_CFILT1_SEL:
micbias_regs->cfilt_val = WCD9XXX_A_MICB_CFILT_1_VAL;
micbias_regs->cfilt_ctl = WCD9XXX_A_MICB_CFILT_1_CTL;
- mbhc->mbhc_data.micb_mv = micbias_pdata->cfilt1_mv;
break;
case WCD9XXX_CFILT2_SEL:
micbias_regs->cfilt_val = WCD9XXX_A_MICB_CFILT_2_VAL;
micbias_regs->cfilt_ctl = WCD9XXX_A_MICB_CFILT_2_CTL;
- mbhc->mbhc_data.micb_mv = micbias_pdata->cfilt2_mv;
break;
case WCD9XXX_CFILT3_SEL:
micbias_regs->cfilt_val = WCD9XXX_A_MICB_CFILT_3_VAL;
micbias_regs->cfilt_ctl = WCD9XXX_A_MICB_CFILT_3_CTL;
- mbhc->mbhc_data.micb_mv = micbias_pdata->cfilt3_mv;
break;
}
+
+ if (mb_type == MBHC_PRIMARY_MIC_MB) {
+ switch (cfilt) {
+ case WCD9XXX_CFILT1_SEL:
+ mbhc->mbhc_data.micb_mv = micbias_pdata->cfilt1_mv;
+ break;
+ case WCD9XXX_CFILT2_SEL:
+ mbhc->mbhc_data.micb_mv = micbias_pdata->cfilt2_mv;
+ break;
+ case WCD9XXX_CFILT3_SEL:
+ mbhc->mbhc_data.micb_mv = micbias_pdata->cfilt3_mv;
+ break;
+ }
+ }
+
}
static void wcd9xxx_clr_and_turnon_hph_padac(struct wcd9xxx_mbhc *mbhc)
@@ -819,7 +844,8 @@
if (mbhc->micbias_enable && mbhc->micbias_enable_cb) {
pr_debug("%s: Disabling micbias\n", __func__);
- mbhc->micbias_enable_cb(mbhc->codec, false);
+ mbhc->micbias_enable_cb(mbhc->codec, false,
+ mbhc->mbhc_cfg->micbias);
mbhc->micbias_enable = false;
}
mbhc->zl = mbhc->zr = 0;
@@ -845,7 +871,8 @@
if (mbhc->micbias_enable && mbhc->micbias_enable_cb &&
mbhc->hph_status == SND_JACK_HEADSET) {
pr_debug("%s: Disabling micbias\n", __func__);
- mbhc->micbias_enable_cb(mbhc->codec, false);
+ mbhc->micbias_enable_cb(mbhc->codec, false,
+ mbhc->mbhc_cfg->micbias);
mbhc->micbias_enable = false;
}
@@ -855,8 +882,10 @@
wcd9xxx_jack_report(mbhc, &mbhc->headset_jack,
0, WCD9XXX_JACK_MASK);
mbhc->hph_status &= ~(SND_JACK_HEADSET |
- SND_JACK_LINEOUT);
+ SND_JACK_LINEOUT |
+ SND_JACK_ANC_HEADPHONE);
}
+
/* Report insertion */
mbhc->hph_status |= jack_type;
@@ -870,11 +899,14 @@
mbhc->update_z = true;
} else if (jack_type == SND_JACK_LINEOUT) {
mbhc->current_plug = PLUG_TYPE_HIGH_HPH;
+ } else if (jack_type == SND_JACK_ANC_HEADPHONE) {
+ mbhc->current_plug = PLUG_TYPE_ANC_HEADPHONE;
}
if (mbhc->micbias_enable && mbhc->micbias_enable_cb) {
pr_debug("%s: Enabling micbias\n", __func__);
- mbhc->micbias_enable_cb(mbhc->codec, true);
+ mbhc->micbias_enable_cb(mbhc->codec, true,
+ mbhc->mbhc_cfg->micbias);
}
if (mbhc->impedance_detect && impedance_detect_en)
@@ -1041,7 +1073,14 @@
static short wcd9xxx_codec_sta_dce(struct wcd9xxx_mbhc *mbhc, int dce,
bool norel)
{
- return __wcd9xxx_codec_sta_dce(mbhc, dce, false, norel);
+ bool override_bypass;
+
+ /* Bypass override if it is already enabled */
+ override_bypass = (snd_soc_read(mbhc->codec,
+ WCD9XXX_A_CDC_MBHC_B1_CTL) &
+ 0x04) ? true : false;
+
+ return __wcd9xxx_codec_sta_dce(mbhc, dce, override_bypass, norel);
}
static s32 __wcd9xxx_codec_sta_dce_v(struct wcd9xxx_mbhc *mbhc, s8 dce,
@@ -1094,7 +1133,8 @@
/* called only from interrupt which is under codec_resource_lock acquisition */
static short wcd9xxx_mbhc_setup_hs_polling(struct wcd9xxx_mbhc *mbhc,
- bool is_cs_enable)
+ struct mbhc_micbias_regs *mbhc_micb_regs,
+ bool is_cs_enable)
{
struct snd_soc_codec *codec = mbhc->codec;
short bias_value;
@@ -1132,15 +1172,19 @@
snd_soc_update_bits(codec, WCD9XXX_A_CLK_BUFF_EN1, 0x05, 0x01);
/* Make sure CFILT is in fast mode, save current mode */
- cfilt_mode = snd_soc_read(codec, mbhc->mbhc_bias_regs.cfilt_ctl);
+ cfilt_mode = snd_soc_read(codec, mbhc_micb_regs->cfilt_ctl);
if (mbhc->mbhc_cb && mbhc->mbhc_cb->cfilt_fast_mode)
mbhc->mbhc_cb->cfilt_fast_mode(codec, mbhc);
else
- snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.cfilt_ctl,
+ snd_soc_update_bits(codec, mbhc_micb_regs->cfilt_ctl,
0x70, 0x00);
snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
- snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1, 0x04);
+ snd_soc_write(codec, WCD9XXX_A_MBHC_SCALING_MUX_1,
+ mbhc->scaling_mux_in);
+ pr_debug("%s: scaling_mux_input: %d\n", __func__,
+ mbhc->scaling_mux_in);
+
if (mbhc->mbhc_cb && mbhc->mbhc_cb->enable_mux_bias_block)
mbhc->mbhc_cb->enable_mux_bias_block(codec);
else
@@ -1165,7 +1209,7 @@
/* don't flip override */
bias_value = __wcd9xxx_codec_sta_dce(mbhc, 1, true, true);
- snd_soc_write(codec, mbhc->mbhc_bias_regs.cfilt_ctl, cfilt_mode);
+ snd_soc_write(codec, mbhc_micb_regs->cfilt_ctl, cfilt_mode);
snd_soc_update_bits(codec, WCD9XXX_A_MBHC_HPH, 0x13, 0x00);
if (mbhc->mbhc_cfg->do_recalibration) {
@@ -1173,7 +1217,7 @@
reg = snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B1_CTL);
change = snd_soc_update_bits(codec, WCD9XXX_A_CDC_MBHC_B1_CTL,
0x78, btn_det->mbhc_nsc << 3);
- wcd9xxx_get_z(mbhc, &dce_z, &sta_z);
+ wcd9xxx_get_z(mbhc, &dce_z, &sta_z, mbhc_micb_regs, true);
if (change)
snd_soc_write(codec, WCD9XXX_A_CDC_MBHC_B1_CTL, reg);
if (dce_z && sta_z) {
@@ -1197,7 +1241,8 @@
snd_soc_update_bits(mbhc->codec,
WCD9XXX_A_CDC_MBHC_B1_CTL,
0x78, WCD9XXX_MBHC_NSC_CS << 3);
- wcd9xxx_get_z(mbhc, &dce_z, NULL);
+ wcd9xxx_get_z(mbhc, &dce_z, NULL, mbhc_micb_regs,
+ true);
snd_soc_write(mbhc->codec, WCD9XXX_A_CDC_MBHC_B1_CTL,
reg);
if (dce_z) {
@@ -1742,7 +1787,8 @@
rt[0].vddio = false;
rt[0].hwvalue = true;
rt[0].hphl_status = wcd9xxx_hphl_status(mbhc);
- rt[0].dce = wcd9xxx_mbhc_setup_hs_polling(mbhc, true);
+ rt[0].dce = wcd9xxx_mbhc_setup_hs_polling(mbhc, &mbhc->mbhc_bias_regs,
+ true);
rt[0].mic_bias = false;
for (i = 1; i < NUM_DCE_PLUG_INS_DETECT - 1; i++) {
@@ -1811,7 +1857,8 @@
wcd9xxx_mbhc_ctrl_clk_bandgap(mbhc, true);
rt[0].hphl_status = wcd9xxx_hphl_status(mbhc);
- rt[0].dce = wcd9xxx_mbhc_setup_hs_polling(mbhc, false);
+ rt[0].dce = wcd9xxx_mbhc_setup_hs_polling(mbhc, &mbhc->mbhc_bias_regs,
+ false);
rt[0].swap_gnd = false;
rt[0].vddio = false;
rt[0].hwvalue = true;
@@ -2004,10 +2051,112 @@
return 0;
}
+/*
+ * Function to determine whether anc microphone is preset or not.
+ * Return true if anc microphone is detected or false if not detected.
+ */
+static bool wcd9xxx_detect_anc_plug_type(struct wcd9xxx_mbhc *mbhc)
+{
+ struct wcd9xxx_mbhc_detect rt[4];
+ bool anc_mic_found = true;
+ int i;
+ const struct wcd9xxx_mbhc_plug_type_cfg *plug_type =
+ WCD9XXX_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration);
+ const s16 hs_max = plug_type->v_hs_max;
+ const s16 no_mic = plug_type->v_no_mic;
+ bool override_en;
+
+ if (mbhc->mbhc_cfg->anc_micbias != MBHC_MICBIAS3 &&
+ mbhc->mbhc_cfg->anc_micbias != MBHC_MICBIAS2)
+ return false;
+
+ pr_debug("%s: enter\n", __func__);
+
+ override_en = (snd_soc_read(mbhc->codec, WCD9XXX_A_CDC_MBHC_B1_CTL) &
+ 0x04) ? true : false;
+
+ if (mbhc->mbhc_cfg->anc_micbias == MBHC_MICBIAS3) {
+ if (mbhc->micbias_enable_cb)
+ mbhc->micbias_enable_cb(mbhc->codec, true,
+ mbhc->mbhc_cfg->anc_micbias);
+ else
+ return false;
+ } else {
+ /* Enable override */
+ if (!override_en)
+ wcd9xxx_turn_onoff_override(mbhc, true);
+ }
+
+ wcd9xxx_mbhc_ctrl_clk_bandgap(mbhc, true);
+
+ rt[0].hphl_status = wcd9xxx_hphl_status(mbhc);
+ rt[0].dce = wcd9xxx_mbhc_setup_hs_polling(mbhc,
+ &mbhc->mbhc_anc_bias_regs,
+ false);
+ rt[0]._vdces = wcd9xxx_codec_sta_dce_v(mbhc, true, rt[0].dce);
+
+ if (rt[0]._vdces >= no_mic && rt[0]._vdces < hs_max)
+ rt[0]._type = PLUG_TYPE_HEADSET;
+ else if (rt[0]._vdces < no_mic)
+ rt[0]._type = PLUG_TYPE_HEADPHONE;
+ else
+ rt[0]._type = PLUG_TYPE_HIGH_HPH;
+
+ pr_debug("%s: DCE #%d, V %04d, HPHL %d TYPE %d\n",
+ __func__, 0, rt[0]._vdces,
+ rt[0].hphl_status & 0x01,
+ rt[0]._type);
+
+ for (i = 1; i < 4; i++) {
+ rt[i].dce = __wcd9xxx_codec_sta_dce(mbhc, 1, true, true);
+ rt[i]._vdces = wcd9xxx_codec_sta_dce_v(mbhc, true, rt[i].dce);
+
+ if (rt[i]._vdces >= no_mic && rt[i]._vdces < hs_max)
+ rt[i]._type = PLUG_TYPE_HEADSET;
+ else if (rt[i]._vdces < no_mic)
+ rt[i]._type = PLUG_TYPE_HEADPHONE;
+ else
+ rt[i]._type = PLUG_TYPE_HIGH_HPH;
+
+ rt[i].hphl_status = wcd9xxx_hphl_status(mbhc);
+
+ pr_debug("%s: DCE #%d, V %04d, HPHL %d TYPE %d\n",
+ __func__, i, rt[i]._vdces,
+ rt[i].hphl_status & 0x01,
+ rt[i]._type);
+ }
+
+ /*
+ * Check for the "type" of all the 4 measurements
+ * If all 4 measurements have the Type as PLUG_TYPE_HEADSET
+ * then it is proper mic and declare that the plug has two mics
+ */
+ for (i = 0; i < 4; i++) {
+ if (rt[i]._type != PLUG_TYPE_HEADSET)
+ anc_mic_found = false;
+ }
+
+ wcd9xxx_mbhc_ctrl_clk_bandgap(mbhc, false);
+ if (mbhc->mbhc_cfg->anc_micbias == MBHC_MICBIAS3) {
+ if (mbhc->micbias_enable_cb)
+ mbhc->micbias_enable_cb(mbhc->codec, false,
+ mbhc->mbhc_cfg->anc_micbias);
+ } else {
+ /* Disable override */
+ if (!override_en)
+ wcd9xxx_turn_onoff_override(mbhc, false);
+ }
+
+ pr_debug("%s: leave\n", __func__);
+ return anc_mic_found;
+}
+
/* called under codec_resource_lock acquisition */
static void wcd9xxx_find_plug_and_report(struct wcd9xxx_mbhc *mbhc,
enum wcd9xxx_mbhc_plug_type plug_type)
{
+ bool anc_mic_found = false;
+
pr_debug("%s: enter current_plug(%d) new_plug(%d)\n",
__func__, mbhc->current_plug, plug_type);
@@ -2033,21 +2182,49 @@
wcd9xxx_report_plug(mbhc, 1, SND_JACK_UNSUPPORTED);
wcd9xxx_cleanup_hs_polling(mbhc);
} else if (plug_type == PLUG_TYPE_HEADSET) {
- /*
- * If Headphone was reported previously, this will
- * only report the mic line
- */
- wcd9xxx_report_plug(mbhc, 1, SND_JACK_HEADSET);
- /* Button detection required RC oscillator */
- wcd9xxx_mbhc_ctrl_clk_bandgap(mbhc, true);
- msleep(100);
- /* if PA is already on, switch micbias source to VDDIO */
- if (mbhc->event_state &
- (1 << MBHC_EVENT_PA_HPHL | 1 << MBHC_EVENT_PA_HPHR |
- 1 << MBHC_EVENT_PRE_TX_1_3_ON))
- __wcd9xxx_switch_micbias(mbhc, 1, false, false);
- wcd9xxx_start_hs_polling(mbhc);
+ if (mbhc->mbhc_cfg->enable_anc_mic_detect) {
+ /*
+ * Do not report Headset, because at this point
+ * it could be a ANC headphone having two mics.
+ * So, proceed further to detect if there is a
+ * second mic.
+ */
+ mbhc->scaling_mux_in = 0x08;
+ anc_mic_found = wcd9xxx_detect_anc_plug_type(mbhc);
+ }
+
+ if (anc_mic_found) {
+ /* Report ANC headphone */
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_ANC_HEADPHONE);
+ wcd9xxx_cleanup_hs_polling(mbhc);
+ } else {
+
+ /*
+ * If Headphone was reported previously, this will
+ * only report the mic line
+ */
+ wcd9xxx_report_plug(mbhc, 1, SND_JACK_HEADSET);
+ /* Button detection required RC oscillator */
+ wcd9xxx_mbhc_ctrl_clk_bandgap(mbhc, true);
+
+ /*
+ * sleep so that audio path completely tears down
+ * before report plug insertion to the user space
+ */
+ msleep(100);
+
+ /*
+ * if PA is already on, switch micbias
+ * source to VDDIO
+ */
+ if (mbhc->event_state &
+ (1 << MBHC_EVENT_PA_HPHL | 1 << MBHC_EVENT_PA_HPHR |
+ 1 << MBHC_EVENT_PRE_TX_1_3_ON))
+ __wcd9xxx_switch_micbias(mbhc, 1, false,
+ false);
+ wcd9xxx_start_hs_polling(mbhc);
+ }
} else if (plug_type == PLUG_TYPE_HIGH_HPH) {
if (mbhc->mbhc_cfg->detect_extn_cable) {
/* High impedance device found. Report as LINEOUT*/
@@ -2095,6 +2272,8 @@
(!(snd_soc_read(mbhc->codec,
mbhc->mbhc_bias_regs.ctl_reg) & 0x80)));
+ mbhc->scaling_mux_in = 0x04;
+
if (current_source_enable) {
wcd9xxx_turn_onoff_current_source(mbhc, true, false);
plug_type = wcd9xxx_codec_cs_get_plug_type(mbhc, false);
@@ -2129,6 +2308,12 @@
pr_debug("%s: Valid plug found, determine plug type %d\n",
__func__, plug_type);
wcd9xxx_find_plug_and_report(mbhc, plug_type);
+ if (mbhc->mbhc_cfg->detect_extn_cable &&
+ mbhc->current_plug == PLUG_TYPE_ANC_HEADPHONE) {
+ /* Enable removal detection */
+ wcd9xxx_cleanup_hs_polling(mbhc);
+ wcd9xxx_enable_hs_detect(mbhc, 0, 0, false);
+ }
}
pr_debug("%s: leave\n", __func__);
}
@@ -2874,6 +3059,8 @@
WCD9XXX_BCL_LOCK(mbhc->resmgr);
if ((mbhc->current_plug == PLUG_TYPE_HEADPHONE &&
wrk_complete) ||
+ (mbhc->current_plug == PLUG_TYPE_ANC_HEADPHONE &&
+ wrk_complete) ||
mbhc->current_plug == PLUG_TYPE_GND_MIC_SWAP ||
mbhc->current_plug == PLUG_TYPE_INVALID ||
(plug_type == PLUG_TYPE_INVALID && wrk_complete)) {
@@ -2946,6 +3133,9 @@
} else if (mbhc->current_plug == PLUG_TYPE_HIGH_HPH) {
wcd9xxx_report_plug(mbhc, 0, SND_JACK_LINEOUT);
is_removed = true;
+ } else if (mbhc->current_plug == PLUG_TYPE_ANC_HEADPHONE) {
+ wcd9xxx_report_plug(mbhc, 0, SND_JACK_ANC_HEADPHONE);
+ is_removed = true;
}
if (is_removed) {
@@ -3106,7 +3296,9 @@
return mask;
}
-static void wcd9xxx_get_z(struct wcd9xxx_mbhc *mbhc, s16 *dce_z, s16 *sta_z)
+static void wcd9xxx_get_z(struct wcd9xxx_mbhc *mbhc, s16 *dce_z, s16 *sta_z,
+ struct mbhc_micbias_regs *micb_regs,
+ bool norel_detection)
{
s16 reg0, reg1;
int change;
@@ -3114,21 +3306,21 @@
WCD9XXX_BCL_ASSERT_LOCKED(mbhc->resmgr);
/* Pull down micbias to ground and disconnect vddio switch */
- reg0 = snd_soc_read(codec, mbhc->mbhc_bias_regs.ctl_reg);
- snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg, 0x81, 0x1);
- reg1 = snd_soc_read(codec, mbhc->mbhc_bias_regs.mbhc_reg);
- snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.mbhc_reg, 1 << 7, 0);
+ reg0 = snd_soc_read(codec, micb_regs->ctl_reg);
+ snd_soc_update_bits(codec, micb_regs->ctl_reg, 0x81, 0x1);
+ reg1 = snd_soc_read(codec, micb_regs->mbhc_reg);
+ snd_soc_update_bits(codec, micb_regs->mbhc_reg, 1 << 7, 0);
/* Disconnect override from micbias */
change = snd_soc_update_bits(codec, WCD9XXX_A_MAD_ANA_CTRL, 1 << 4,
1 << 0);
usleep_range(1000, 1000 + 1000);
if (sta_z) {
- *sta_z = wcd9xxx_codec_sta_dce(mbhc, 0, false);
+ *sta_z = wcd9xxx_codec_sta_dce(mbhc, 0, norel_detection);
pr_debug("%s: sta_z 0x%x\n", __func__, *sta_z & 0xFFFF);
}
if (dce_z) {
- *dce_z = wcd9xxx_codec_sta_dce(mbhc, 1, false);
+ *dce_z = wcd9xxx_codec_sta_dce(mbhc, 1, norel_detection);
pr_debug("%s: dce_z 0x%x\n", __func__, *dce_z & 0xFFFF);
}
@@ -3137,16 +3329,22 @@
snd_soc_update_bits(codec, WCD9XXX_A_MAD_ANA_CTRL, 1 << 4,
1 << 4);
/* Disable pull down micbias to ground */
- snd_soc_write(codec, mbhc->mbhc_bias_regs.mbhc_reg, reg1);
- snd_soc_write(codec, mbhc->mbhc_bias_regs.ctl_reg, reg0);
+ snd_soc_write(codec, micb_regs->mbhc_reg, reg1);
+ snd_soc_write(codec, micb_regs->ctl_reg, reg0);
}
+/*
+ * This function recalibrates dce_z and sta_z parameters.
+ * No release detection will be false when this function is
+ * used.
+ */
void wcd9xxx_update_z(struct wcd9xxx_mbhc *mbhc)
{
const u16 sta_z = mbhc->mbhc_data.sta_z;
const u16 dce_z = mbhc->mbhc_data.dce_z;
- wcd9xxx_get_z(mbhc, &mbhc->mbhc_data.dce_z, &mbhc->mbhc_data.sta_z);
+ wcd9xxx_get_z(mbhc, &mbhc->mbhc_data.dce_z, &mbhc->mbhc_data.sta_z,
+ &mbhc->mbhc_bias_regs, false);
pr_debug("%s: sta_z 0x%x,dce_z 0x%x -> sta_z 0x%x,dce_z 0x%x\n",
__func__, sta_z & 0xFFFF, dce_z & 0xFFFF,
mbhc->mbhc_data.sta_z & 0xFFFF,
@@ -4063,7 +4261,10 @@
mbhc->mbhc_cfg = mbhc_cfg;
/* Get HW specific mbhc registers' address */
- wcd9xxx_get_mbhc_micbias_regs(mbhc, &mbhc->mbhc_bias_regs);
+ wcd9xxx_get_mbhc_micbias_regs(mbhc, MBHC_PRIMARY_MIC_MB);
+
+ /* Get HW specific mbhc registers' address for anc */
+ wcd9xxx_get_mbhc_micbias_regs(mbhc, MBHC_ANC_MIC_MB);
/* Put CFILT in fast mode by default */
if (mbhc->mbhc_cb && mbhc->mbhc_cb->cfilt_fast_mode)
@@ -4278,7 +4479,7 @@
}
if (mbhc->micbias_enable && mbhc->polling_active &&
!(snd_soc_read(mbhc->codec, mbhc->mbhc_bias_regs.ctl_reg)
- & 0x80)) {
+ & 0x80)) {
pr_debug("%s:Micbias turned off by recording, set up again",
__func__);
snd_soc_update_bits(codec, mbhc->mbhc_bias_regs.ctl_reg,
@@ -4439,6 +4640,7 @@
s16 *z[] = {
&l[0], &r[0], &r[1], &l[1], &l[2], &r[2],
};
+ bool override_en;
struct snd_soc_codec *codec = mbhc->codec;
const int mux_wait_us = 25;
const struct wcd9xxx_reg_mask_val reg_set_mux[] = {
@@ -4475,7 +4677,10 @@
wcd9xxx_onoff_ext_mclk(mbhc, true);
- wcd9xxx_turn_onoff_override(mbhc, true);
+ override_en = (snd_soc_read(codec, WCD9XXX_A_CDC_MBHC_B1_CTL) & 0x04) ?
+ true : false;
+ if (!override_en)
+ wcd9xxx_turn_onoff_override(mbhc, true);
pr_debug("%s: Setting impedance detection\n", __func__);
/* Codec specific setup for L0, R0, L1 and R1 measurements */
@@ -4523,7 +4728,8 @@
wcd9xxx_onoff_ext_mclk(mbhc, false);
- wcd9xxx_turn_onoff_override(mbhc, false);
+ if (!override_en)
+ wcd9xxx_turn_onoff_override(mbhc, false);
mbhc->mbhc_cb->compute_impedance(l, r, zl, zr);
pr_debug("%s: L0: 0x%x(%d), L1: 0x%x(%d), L2: 0x%x(%d)\n",
@@ -4559,7 +4765,8 @@
*/
int wcd9xxx_mbhc_init(struct wcd9xxx_mbhc *mbhc, struct wcd9xxx_resmgr *resmgr,
struct snd_soc_codec *codec,
- int (*micbias_enable_cb) (struct snd_soc_codec*, bool),
+ int (*micbias_enable_cb) (struct snd_soc_codec*, bool,
+ enum wcd9xxx_micbias_num),
const struct wcd9xxx_mbhc_cb *mbhc_cb,
const struct wcd9xxx_mbhc_intr *mbhc_cdc_intr_ids,
int rco_clk_rate,