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Message-Id: <20210518143759.16837-3-srinivas.kandagatla@linaro.org>
Date: Tue, 18 May 2021 15:37:52 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: broonie@...nel.org
Cc: robh@...nel.org, devicetree@...r.kernel.org, perex@...ex.cz,
alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
lgirdwood@...il.com,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v6 2/9] ASoC: codecs: wcd-clsh: add new version support
>From WCD937X Class H controller has changed significantly, so add support
to this new version for WCD937X and WCD938X Codecs.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
sound/soc/codecs/wcd-clsh-v2.c | 348 ++++++++++++++++++++++++++++++++-
sound/soc/codecs/wcd-clsh-v2.h | 16 ++
2 files changed, 354 insertions(+), 10 deletions(-)
diff --git a/sound/soc/codecs/wcd-clsh-v2.c b/sound/soc/codecs/wcd-clsh-v2.c
index 817d8259758c..485d1932391a 100644
--- a/sound/soc/codecs/wcd-clsh-v2.c
+++ b/sound/soc/codecs/wcd-clsh-v2.c
@@ -88,6 +88,19 @@ struct wcd_clsh_ctrl {
#define WCD9XXX_CLASSH_CTRL_CCL_1_DELTA_IPEAK_50MA 0x50
#define WCD9XXX_CLASSH_CTRL_CCL_1_DELTA_IPEAK_30MA 0x30
+#define WCD9XXX_BASE_ADDRESS 0x3000
+#define WCD9XXX_ANA_RX_SUPPLIES (WCD9XXX_BASE_ADDRESS+0x008)
+#define WCD9XXX_ANA_HPH (WCD9XXX_BASE_ADDRESS+0x009)
+#define WCD9XXX_CLASSH_MODE_2 (WCD9XXX_BASE_ADDRESS+0x098)
+#define WCD9XXX_CLASSH_MODE_3 (WCD9XXX_BASE_ADDRESS+0x099)
+#define WCD9XXX_FLYBACK_VNEG_CTRL_1 (WCD9XXX_BASE_ADDRESS+0x0A5)
+#define WCD9XXX_FLYBACK_VNEG_CTRL_4 (WCD9XXX_BASE_ADDRESS+0x0A8)
+#define WCD9XXX_FLYBACK_VNEGDAC_CTRL_2 (WCD9XXX_BASE_ADDRESS+0x0AF)
+#define WCD9XXX_RX_BIAS_HPH_LOWPOWER (WCD9XXX_BASE_ADDRESS+0x0BF)
+#define WCD9XXX_V3_RX_BIAS_FLYB_BUFF (WCD9XXX_BASE_ADDRESS+0x0C7)
+#define WCD9XXX_HPH_PA_CTL1 (WCD9XXX_BASE_ADDRESS+0x0D1)
+#define WCD9XXX_HPH_NEW_INT_PA_MISC2 (WCD9XXX_BASE_ADDRESS+0x138)
+
#define CLSH_REQ_ENABLE true
#define CLSH_REQ_DISABLE false
#define WCD_USLEEP_RANGE 50
@@ -137,6 +150,20 @@ static inline void wcd_clsh_set_buck_mode(struct snd_soc_component *comp,
WCD9XXX_A_ANA_RX_VPOS_PWR_LVL_DEFAULT);
}
+static void wcd_clsh_v3_set_buck_mode(struct snd_soc_component *component,
+ int mode)
+{
+ if (mode == CLS_H_HIFI || mode == CLS_H_LOHIFI ||
+ mode == CLS_AB_HIFI || mode == CLS_AB_LOHIFI)
+ snd_soc_component_update_bits(component,
+ WCD9XXX_ANA_RX_SUPPLIES,
+ 0x08, 0x08); /* set to HIFI */
+ else
+ snd_soc_component_update_bits(component,
+ WCD9XXX_ANA_RX_SUPPLIES,
+ 0x08, 0x00); /* set to default */
+}
+
static inline void wcd_clsh_set_flyback_mode(struct snd_soc_component *comp,
int mode)
{
@@ -170,6 +197,36 @@ static void wcd_clsh_buck_ctrl(struct wcd_clsh_ctrl *ctrl,
usleep_range(500, 500 + WCD_USLEEP_RANGE);
}
+static void wcd_clsh_v3_buck_ctrl(struct snd_soc_component *component,
+ struct wcd_clsh_ctrl *ctrl,
+ int mode,
+ bool enable)
+{
+ /* enable/disable buck */
+ if ((enable && (++ctrl->buck_users == 1)) ||
+ (!enable && (--ctrl->buck_users == 0))) {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_ANA_RX_SUPPLIES,
+ (1 << 7), (enable << 7));
+ /*
+ * 500us sleep is required after buck enable/disable
+ * as per HW requirement
+ */
+ usleep_range(500, 510);
+ if (mode == CLS_H_LOHIFI || mode == CLS_H_ULP ||
+ mode == CLS_H_HIFI || mode == CLS_H_LP)
+ snd_soc_component_update_bits(component,
+ WCD9XXX_CLASSH_MODE_3,
+ 0x02, 0x00);
+
+ snd_soc_component_update_bits(component,
+ WCD9XXX_CLASSH_MODE_2,
+ 0xFF, 0x3A);
+ /* 500usec delay is needed as per HW requirement */
+ usleep_range(500, 500 + WCD_USLEEP_RANGE);
+ }
+}
+
static void wcd_clsh_flyback_ctrl(struct wcd_clsh_ctrl *ctrl,
int mode,
bool enable)
@@ -219,8 +276,7 @@ static void wcd_clsh_set_gain_path(struct wcd_clsh_ctrl *ctrl, int mode)
val);
}
-static void wcd_clsh_set_hph_mode(struct snd_soc_component *comp,
- int mode)
+static void wcd_clsh_v2_set_hph_mode(struct snd_soc_component *comp, int mode)
{
int val = 0, gain = 0, res_val;
int ipeak = WCD9XXX_CLASSH_CTRL_CCL_1_DELTA_IPEAK_50MA;
@@ -264,6 +320,48 @@ static void wcd_clsh_set_hph_mode(struct snd_soc_component *comp,
ipeak);
}
+static void wcd_clsh_v3_set_hph_mode(struct snd_soc_component *component,
+ int mode)
+{
+ u8 val;
+
+ switch (mode) {
+ case CLS_H_NORMAL:
+ val = 0x00;
+ break;
+ case CLS_AB:
+ case CLS_H_ULP:
+ val = 0x0C;
+ break;
+ case CLS_AB_HIFI:
+ case CLS_H_HIFI:
+ val = 0x08;
+ break;
+ case CLS_H_LP:
+ case CLS_H_LOHIFI:
+ case CLS_AB_LP:
+ case CLS_AB_LOHIFI:
+ val = 0x04;
+ break;
+ default:
+ dev_err(component->dev, "%s:Invalid mode %d\n", __func__, mode);
+ return;
+ };
+
+ snd_soc_component_update_bits(component, WCD9XXX_ANA_HPH, 0x0C, val);
+}
+
+void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl, int mode)
+{
+ struct snd_soc_component *comp = ctrl->comp;
+
+ if (ctrl->codec_version >= WCD937X)
+ wcd_clsh_v3_set_hph_mode(comp, mode);
+ else
+ wcd_clsh_v2_set_hph_mode(comp, mode);
+
+}
+
static void wcd_clsh_set_flyback_current(struct snd_soc_component *comp,
int mode)
{
@@ -289,6 +387,130 @@ static void wcd_clsh_set_buck_regulator_mode(struct snd_soc_component *comp,
WCD9XXX_A_ANA_RX_REGULATOR_MODE_CLS_H);
}
+static void wcd_clsh_v3_set_buck_regulator_mode(struct snd_soc_component *component,
+ int mode)
+{
+ snd_soc_component_update_bits(component, WCD9XXX_ANA_RX_SUPPLIES,
+ 0x02, 0x00);
+}
+
+static void wcd_clsh_v3_set_flyback_mode(struct snd_soc_component *component,
+ int mode)
+{
+ if (mode == CLS_H_HIFI || mode == CLS_H_LOHIFI ||
+ mode == CLS_AB_HIFI || mode == CLS_AB_LOHIFI) {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_ANA_RX_SUPPLIES,
+ 0x04, 0x04);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_FLYBACK_VNEG_CTRL_4,
+ 0xF0, 0x80);
+ } else {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_ANA_RX_SUPPLIES,
+ 0x04, 0x00); /* set to Default */
+ snd_soc_component_update_bits(component,
+ WCD9XXX_FLYBACK_VNEG_CTRL_4,
+ 0xF0, 0x70);
+ }
+}
+
+static void wcd_clsh_v3_force_iq_ctl(struct snd_soc_component *component,
+ int mode, bool enable)
+{
+ if (enable) {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_FLYBACK_VNEGDAC_CTRL_2,
+ 0xE0, 0xA0);
+ /* 100usec delay is needed as per HW requirement */
+ usleep_range(100, 110);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_CLASSH_MODE_3,
+ 0x02, 0x02);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_CLASSH_MODE_2,
+ 0xFF, 0x1C);
+ if (mode == CLS_H_LOHIFI || mode == CLS_AB_LOHIFI) {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_HPH_NEW_INT_PA_MISC2,
+ 0x20, 0x20);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_RX_BIAS_HPH_LOWPOWER,
+ 0xF0, 0xC0);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_HPH_PA_CTL1,
+ 0x0E, 0x02);
+ }
+ } else {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_HPH_NEW_INT_PA_MISC2,
+ 0x20, 0x00);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_RX_BIAS_HPH_LOWPOWER,
+ 0xF0, 0x80);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_HPH_PA_CTL1,
+ 0x0E, 0x06);
+ }
+}
+
+static void wcd_clsh_v3_flyback_ctrl(struct snd_soc_component *component,
+ struct wcd_clsh_ctrl *ctrl,
+ int mode,
+ bool enable)
+{
+ /* enable/disable flyback */
+ if ((enable && (++ctrl->flyback_users == 1)) ||
+ (!enable && (--ctrl->flyback_users == 0))) {
+ snd_soc_component_update_bits(component,
+ WCD9XXX_FLYBACK_VNEG_CTRL_1,
+ 0xE0, 0xE0);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_ANA_RX_SUPPLIES,
+ (1 << 6), (enable << 6));
+ /*
+ * 100us sleep is required after flyback enable/disable
+ * as per HW requirement
+ */
+ usleep_range(100, 110);
+ snd_soc_component_update_bits(component,
+ WCD9XXX_FLYBACK_VNEGDAC_CTRL_2,
+ 0xE0, 0xE0);
+ /* 500usec delay is needed as per HW requirement */
+ usleep_range(500, 500 + WCD_USLEEP_RANGE);
+ }
+}
+
+static void wcd_clsh_v3_set_flyback_current(struct snd_soc_component *component,
+ int mode)
+{
+ snd_soc_component_update_bits(component, WCD9XXX_V3_RX_BIAS_FLYB_BUFF,
+ 0x0F, 0x0A);
+ snd_soc_component_update_bits(component, WCD9XXX_V3_RX_BIAS_FLYB_BUFF,
+ 0xF0, 0xA0);
+ /* Sleep needed to avoid click and pop as per HW requirement */
+ usleep_range(100, 110);
+}
+
+static void wcd_clsh_v3_state_aux(struct wcd_clsh_ctrl *ctrl, int req_state,
+ bool is_enable, int mode)
+{
+ struct snd_soc_component *component = ctrl->comp;
+
+ if (is_enable) {
+ wcd_clsh_v3_set_buck_mode(component, mode);
+ wcd_clsh_v3_set_flyback_mode(component, mode);
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_flyback_current(component, mode);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, mode, true);
+ } else {
+ wcd_clsh_v3_buck_ctrl(component, ctrl, mode, false);
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, mode, false);
+ wcd_clsh_v3_set_flyback_mode(component, CLS_H_NORMAL);
+ wcd_clsh_v3_set_buck_mode(component, CLS_H_NORMAL);
+ }
+}
+
static void wcd_clsh_state_lo(struct wcd_clsh_ctrl *ctrl, int req_state,
bool is_enable, int mode)
{
@@ -316,6 +538,38 @@ static void wcd_clsh_state_lo(struct wcd_clsh_ctrl *ctrl, int req_state,
}
}
+static void wcd_clsh_v3_state_hph_r(struct wcd_clsh_ctrl *ctrl, int req_state,
+ bool is_enable, int mode)
+{
+ struct snd_soc_component *component = ctrl->comp;
+
+ if (mode == CLS_H_NORMAL) {
+ dev_dbg(component->dev, "%s: Normal mode not applicable for hph_r\n",
+ __func__);
+ return;
+ }
+
+ if (is_enable) {
+ wcd_clsh_v3_set_buck_regulator_mode(component, mode);
+ wcd_clsh_v3_set_flyback_mode(component, mode);
+ wcd_clsh_v3_force_iq_ctl(component, mode, true);
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_flyback_current(component, mode);
+ wcd_clsh_v3_set_buck_mode(component, mode);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_hph_mode(component, mode);
+ } else {
+ wcd_clsh_v3_set_hph_mode(component, CLS_H_NORMAL);
+
+ /* buck and flyback set to default mode and disable */
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, CLS_H_NORMAL, false);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, CLS_H_NORMAL, false);
+ wcd_clsh_v3_force_iq_ctl(component, CLS_H_NORMAL, false);
+ wcd_clsh_v3_set_flyback_mode(component, CLS_H_NORMAL);
+ wcd_clsh_v3_set_buck_mode(component, CLS_H_NORMAL);
+ }
+}
+
static void wcd_clsh_state_hph_r(struct wcd_clsh_ctrl *ctrl, int req_state,
bool is_enable, int mode)
{
@@ -353,10 +607,10 @@ static void wcd_clsh_state_hph_r(struct wcd_clsh_ctrl *ctrl, int req_state,
wcd_clsh_set_flyback_current(comp, mode);
wcd_clsh_set_buck_mode(comp, mode);
wcd_clsh_buck_ctrl(ctrl, mode, true);
- wcd_clsh_set_hph_mode(comp, mode);
+ wcd_clsh_v2_set_hph_mode(comp, mode);
wcd_clsh_set_gain_path(ctrl, mode);
} else {
- wcd_clsh_set_hph_mode(comp, CLS_H_NORMAL);
+ wcd_clsh_v2_set_hph_mode(comp, CLS_H_NORMAL);
if (mode != CLS_AB) {
snd_soc_component_update_bits(comp,
@@ -374,6 +628,38 @@ static void wcd_clsh_state_hph_r(struct wcd_clsh_ctrl *ctrl, int req_state,
}
}
+static void wcd_clsh_v3_state_hph_l(struct wcd_clsh_ctrl *ctrl, int req_state,
+ bool is_enable, int mode)
+{
+ struct snd_soc_component *component = ctrl->comp;
+
+ if (mode == CLS_H_NORMAL) {
+ dev_dbg(component->dev, "%s: Normal mode not applicable for hph_l\n",
+ __func__);
+ return;
+ }
+
+ if (is_enable) {
+ wcd_clsh_v3_set_buck_regulator_mode(component, mode);
+ wcd_clsh_v3_set_flyback_mode(component, mode);
+ wcd_clsh_v3_force_iq_ctl(component, mode, true);
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_flyback_current(component, mode);
+ wcd_clsh_v3_set_buck_mode(component, mode);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_hph_mode(component, mode);
+ } else {
+ wcd_clsh_v3_set_hph_mode(component, CLS_H_NORMAL);
+
+ /* set buck and flyback to Default Mode */
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, CLS_H_NORMAL, false);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, CLS_H_NORMAL, false);
+ wcd_clsh_v3_force_iq_ctl(component, CLS_H_NORMAL, false);
+ wcd_clsh_v3_set_flyback_mode(component, CLS_H_NORMAL);
+ wcd_clsh_v3_set_buck_mode(component, CLS_H_NORMAL);
+ }
+}
+
static void wcd_clsh_state_hph_l(struct wcd_clsh_ctrl *ctrl, int req_state,
bool is_enable, int mode)
{
@@ -411,10 +697,10 @@ static void wcd_clsh_state_hph_l(struct wcd_clsh_ctrl *ctrl, int req_state,
wcd_clsh_set_flyback_current(comp, mode);
wcd_clsh_set_buck_mode(comp, mode);
wcd_clsh_buck_ctrl(ctrl, mode, true);
- wcd_clsh_set_hph_mode(comp, mode);
+ wcd_clsh_v2_set_hph_mode(comp, mode);
wcd_clsh_set_gain_path(ctrl, mode);
} else {
- wcd_clsh_set_hph_mode(comp, CLS_H_NORMAL);
+ wcd_clsh_v2_set_hph_mode(comp, CLS_H_NORMAL);
if (mode != CLS_AB) {
snd_soc_component_update_bits(comp,
@@ -432,6 +718,32 @@ static void wcd_clsh_state_hph_l(struct wcd_clsh_ctrl *ctrl, int req_state,
}
}
+static void wcd_clsh_v3_state_ear(struct wcd_clsh_ctrl *ctrl, int req_state,
+ bool is_enable, int mode)
+{
+ struct snd_soc_component *component = ctrl->comp;
+
+ if (is_enable) {
+ wcd_clsh_v3_set_buck_regulator_mode(component, mode);
+ wcd_clsh_v3_set_flyback_mode(component, mode);
+ wcd_clsh_v3_force_iq_ctl(component, mode, true);
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_flyback_current(component, mode);
+ wcd_clsh_v3_set_buck_mode(component, mode);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, mode, true);
+ wcd_clsh_v3_set_hph_mode(component, mode);
+ } else {
+ wcd_clsh_v3_set_hph_mode(component, CLS_H_NORMAL);
+
+ /* set buck and flyback to Default Mode */
+ wcd_clsh_v3_flyback_ctrl(component, ctrl, CLS_H_NORMAL, false);
+ wcd_clsh_v3_buck_ctrl(component, ctrl, CLS_H_NORMAL, false);
+ wcd_clsh_v3_force_iq_ctl(component, CLS_H_NORMAL, false);
+ wcd_clsh_v3_set_flyback_mode(component, CLS_H_NORMAL);
+ wcd_clsh_v3_set_buck_mode(component, CLS_H_NORMAL);
+ }
+}
+
static void wcd_clsh_state_ear(struct wcd_clsh_ctrl *ctrl, int req_state,
bool is_enable, int mode)
{
@@ -472,16 +784,30 @@ static int _wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl, int req_state,
{
switch (req_state) {
case WCD_CLSH_STATE_EAR:
- wcd_clsh_state_ear(ctrl, req_state, is_enable, mode);
+ if (ctrl->codec_version >= WCD937X)
+ wcd_clsh_v3_state_ear(ctrl, req_state, is_enable, mode);
+ else
+ wcd_clsh_state_ear(ctrl, req_state, is_enable, mode);
break;
case WCD_CLSH_STATE_HPHL:
- wcd_clsh_state_hph_l(ctrl, req_state, is_enable, mode);
+ if (ctrl->codec_version >= WCD937X)
+ wcd_clsh_v3_state_hph_l(ctrl, req_state, is_enable, mode);
+ else
+ wcd_clsh_state_hph_l(ctrl, req_state, is_enable, mode);
break;
case WCD_CLSH_STATE_HPHR:
- wcd_clsh_state_hph_r(ctrl, req_state, is_enable, mode);
+ if (ctrl->codec_version >= WCD937X)
+ wcd_clsh_v3_state_hph_r(ctrl, req_state, is_enable, mode);
+ else
+ wcd_clsh_state_hph_r(ctrl, req_state, is_enable, mode);
break;
case WCD_CLSH_STATE_LO:
- wcd_clsh_state_lo(ctrl, req_state, is_enable, mode);
+ if (ctrl->codec_version < WCD937X)
+ wcd_clsh_state_lo(ctrl, req_state, is_enable, mode);
+ break;
+ case WCD_CLSH_STATE_AUX:
+ if (ctrl->codec_version >= WCD937X)
+ wcd_clsh_v3_state_aux(ctrl, req_state, is_enable, mode);
break;
default:
break;
@@ -504,6 +830,7 @@ static bool wcd_clsh_is_state_valid(int state)
case WCD_CLSH_STATE_HPHL:
case WCD_CLSH_STATE_HPHR:
case WCD_CLSH_STATE_LO:
+ case WCD_CLSH_STATE_AUX:
return true;
default:
return false;
@@ -565,6 +892,7 @@ struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(struct snd_soc_component *comp,
ctrl->state = WCD_CLSH_STATE_IDLE;
ctrl->comp = comp;
+ ctrl->codec_version = version;
return ctrl;
}
diff --git a/sound/soc/codecs/wcd-clsh-v2.h b/sound/soc/codecs/wcd-clsh-v2.h
index a6d0f2d0e9e3..4e3653058275 100644
--- a/sound/soc/codecs/wcd-clsh-v2.h
+++ b/sound/soc/codecs/wcd-clsh-v2.h
@@ -22,8 +22,11 @@ enum wcd_clsh_event {
#define WCD_CLSH_STATE_HPHL BIT(1)
#define WCD_CLSH_STATE_HPHR BIT(2)
#define WCD_CLSH_STATE_LO BIT(3)
+#define WCD_CLSH_STATE_AUX BIT(4)
#define WCD_CLSH_STATE_MAX 4
+#define WCD_CLSH_V3_STATE_MAX 5
#define NUM_CLSH_STATES_V2 BIT(WCD_CLSH_STATE_MAX)
+#define NUM_CLSH_STATES_V3 BIT(WCD_CLSH_V3_STATE_MAX)
enum wcd_clsh_mode {
CLS_H_NORMAL = 0, /* Class-H Default */
@@ -31,9 +34,20 @@ enum wcd_clsh_mode {
CLS_H_LP, /* Class-H Low Power */
CLS_AB, /* Class-AB */
CLS_H_LOHIFI, /* LoHIFI */
+ CLS_H_ULP, /* Ultra Low power */
+ CLS_AB_HIFI, /* Class-AB */
+ CLS_AB_LP, /* Class-AB Low Power */
+ CLS_AB_LOHIFI, /* Class-AB Low HIFI */
CLS_NONE, /* None of the above modes */
};
+enum wcd_codec_version {
+ WCD9335 = 0,
+ WCD934X = 1,
+ /* New CLSH after this */
+ WCD937X = 2,
+ WCD938X = 3,
+};
struct wcd_clsh_ctrl;
extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
@@ -45,5 +59,7 @@ extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl,
enum wcd_clsh_event clsh_event,
int nstate,
enum wcd_clsh_mode mode);
+extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
+ int mode);
#endif /* _WCD_CLSH_V2_H_ */
--
2.21.0
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