Old flo_defconfig

The device might fall in abnormal state in slimport with power on.
The slimport couldn't detect the cable correctly at that time.
We make a sure that the slimport is in power off before turning it on
to avoid that issue.

drivers/misc/slimport_anx7808/slimport.c

@@ -46,12 +46,16 @@ struct anx7808_data {
 	int cab_irq;
 };
 
+// We're disabling HDCP by default as it fucks with the display.
+
+/**
 #ifdef HDCP_EN
 static bool hdcp_enable = 1;
 #else
 static bool hdcp_enable = 0;
 #endif
-
+*/
+static bool hdcp_enable = 0;
 extern void msm_otg_id_pin_irq_enabled(bool enabled);
 
 //extern void msm_otg_id_pin_irq_enabled(bool enabled);
@@ -126,11 +130,11 @@ void sp_tx_hardware_poweron(void)
 	mdelay(5);
 
 	gpio_set_value(pdata->gpio_reset, 0);
-	msleep(1);
-	gpio_set_value(pdata->gpio_p_dwn, 0);
-	msleep(2);
-	pdata->switch_power(1);
 	msleep(20);
+	gpio_set_value(pdata->gpio_p_dwn, 0);
+	msleep(10);
+	pdata->switch_power(1);
+	msleep(100);
 	gpio_set_value(pdata->gpio_reset, 1);
 
 	SP_DEV_DBG("%s: anx7808 power on\n", __func__);
@@ -172,10 +176,30 @@ int slimport_read_edid_block(int block, uint8_t *edid_buf)
 }
 EXPORT_SYMBOL(slimport_read_edid_block);
 
+static void sp_tx_power_down_and_init(void)
+{
+	sp_tx_vbus_powerdown();
+	sp_tx_pull_down_id(FALSE);
+	sp_tx_power_down(SP_TX_PWR_REG);
+	sp_tx_power_down(SP_TX_PWR_TOTAL);
+	sp_tx_hardware_powerdown();
+	sp_tx_pd_mode = 1;
+	sp_tx_link_config_done = 0;
+	sp_tx_hw_lt_enable = 0;
+	sp_tx_hw_lt_done = 0;
+	sp_tx_rx_type = RX_NULL;
+	sp_tx_rx_type_backup = RX_NULL;
+	sp_tx_set_sys_state(STATE_CABLE_PLUG);
+}
+
 static void slimport_cable_plug_proc(struct anx7808_data *anx7808)
 {
 
 	if (gpio_get_value_cansleep(anx7808->pdata->gpio_cbl_det)) {
+		/* Previously, if sp tx is turned on, turn it off to avoid the cable detection error. */
+		if(!sp_tx_pd_mode)
+			sp_tx_power_down_and_init();
+		/* debounce time for avoiding glitch */
 		msleep(50);
 		if (gpio_get_value_cansleep(anx7808->pdata->gpio_cbl_det)) {
 			if (sp_tx_pd_mode) {
@@ -231,18 +255,7 @@ static void slimport_cable_plug_proc(struct anx7808_data *anx7808)
 			}
 		}
 	} else if (sp_tx_pd_mode == 0) {
-		sp_tx_vbus_powerdown();
-		sp_tx_pull_down_id(FALSE);
-		sp_tx_power_down(SP_TX_PWR_REG);
-		sp_tx_power_down(SP_TX_PWR_TOTAL);
-		sp_tx_hardware_powerdown();
-		sp_tx_pd_mode = 1;
-		sp_tx_link_config_done = 0;
-		sp_tx_hw_lt_enable = 0;
-		sp_tx_hw_lt_done = 0;
-		sp_tx_rx_type = RX_NULL;
-		sp_tx_rx_type_backup = RX_NULL;
-		sp_tx_set_sys_state(STATE_CABLE_PLUG);
+		sp_tx_power_down_and_init();
 	}
 }
 
@@ -496,7 +509,8 @@ static int anx7808_i2c_probe(struct i2c_client *client,
 
 	anx7808->pdata = client->dev.platform_data;
 	i2c_set_clientdata(client, anx7808);
-	memcpy(&anx7808_client, &client, sizeof(client));
+	/* memcpy(&anx7808_client, &client, sizeof(client)); */
+	anx7808_client = client;
 
 	mutex_init(&anx7808->lock);
 	spin_lock_init(&anx7808->pdata->lock);
@@ -603,6 +617,7 @@ err2:
 err1:
 	anx7808_free_gpio(anx7808);
 err0:
+	anx7808_client = NULL;
 	kfree(anx7808);
 exit:
 	return ret;