From: Kisang Lee <kisang80.lee@samsung.com>
Date: Thu, 17 May 2018 12:17:07 +0000 (+0900)
Subject: [HACK] usb: force notification to start gadget
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=40e89a2be029b81cb5c6740ee355826e740e5baa;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[HACK] usb: force notification to start gadget

Change-Id: I7f9273087d5d956c09a9955822135a531232afb7
Signed-off-by: Kisang Lee <kisang80.lee@samsung.com>
---

diff --git a/drivers/muic/s2mu004-muic.c b/drivers/muic/s2mu004-muic.c
index 4ce270d10cc5..8d1af9470663 100644
--- a/drivers/muic/s2mu004-muic.c
+++ b/drivers/muic/s2mu004-muic.c
@@ -1067,6 +1067,7 @@ int s2mu004_muic_refresh_adc(struct s2mu004_muic_data *muic_data)
 }
 #endif
 
+extern void b_sess_control(int val);
 int s2mu004_muic_get_vbus_state(struct s2mu004_muic_data *muic_data)
 {
 	struct i2c_client *i2c = muic_data->i2c;
@@ -1077,6 +1078,11 @@ int s2mu004_muic_get_vbus_state(struct s2mu004_muic_data *muic_data)
 	vbus = !!(reg_val & DEV_TYPE_APPLE_VBUS_WAKEUP);
 	pr_info("%s vbus : (%d)\n", __func__, vbus);
 
+	if (vbus == 1)
+		b_sess_control(1);
+	else
+		b_sess_control(0);
+
 	return vbus;
 }
 
diff --git a/drivers/usb/dwc3/otg.c b/drivers/usb/dwc3/otg.c
index aa21ba4b0802..aa2c135ae92b 100644
--- a/drivers/usb/dwc3/otg.c
+++ b/drivers/usb/dwc3/otg.c
@@ -520,6 +520,18 @@ dwc3_otg_show_b_sess(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "%d\n", fsm->b_sess_vld);
 }
 
+struct dwc3 *g_dwc3;
+void b_sess_control(int val)
+{
+	struct dwc3	*dwc = g_dwc3;
+	struct otg_fsm	*fsm = &dwc->dotg->fsm;
+
+	fsm->b_sess_vld = !!val;
+
+	dwc3_otg_run_sm(fsm);
+}
+EXPORT_SYMBOL_GPL(b_sess_control);
+
 static ssize_t
 dwc3_otg_store_b_sess(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t n)
@@ -662,6 +674,8 @@ int dwc3_otg_init(struct dwc3 *dwc)
 	struct dwc3_ext_otg_ops *ops = NULL;
 	int ret = 0;
 
+	g_dwc3 = dwc;
+
 	dev_info(dwc->dev, "%s\n", __func__);
 
 	/* EXYNOS SoCs don't have HW OTG, but support SW OTG. */