lk2nd: panel: oem_panel: Enable tps65132 for huawei-g7

This might need a better solution in the future, but for now lets place
the necessary code directly into oem_panel.

lk2nd/panel/oem_panel.c

@@ -43,6 +43,39 @@ uint32_t oem_panel_max_auto_detect_panels()
 #define _panel_select(panel)	panel_##panel##_select
 #define panel_select(panel)	_panel_select(panel)
 
+#if TARGET_MSM8916
+static int target_tps65132_ctrl(uint8_t enable)
+{
+	if (enable) {
+		/* for tps65132 ENP pin */
+		gpio_tlmm_config(enp_gpio.pin_id, 0,
+			enp_gpio.pin_direction, enp_gpio.pin_pull,
+			enp_gpio.pin_strength,
+			enp_gpio.pin_state);
+		gpio_set_dir(enp_gpio.pin_id, 2);
+
+		/* for tps65132 ENN pin*/
+		gpio_tlmm_config(enn_gpio.pin_id, 0,
+			enn_gpio.pin_direction, enn_gpio.pin_pull,
+			enn_gpio.pin_strength,
+			enn_gpio.pin_state);
+		gpio_set_dir(enn_gpio.pin_id, 2);
+	} else {
+		gpio_set_dir(enp_gpio.pin_id, 0); /* ENP */
+		gpio_set_dir(enn_gpio.pin_id, 0); /* ENN */
+	}
+	return 0;
+}
+
+int target_ldo_ctrl(uint8_t enable, struct msm_panel_info *pinfo)
+{
+	if (panel_select(LK1ST_PANEL) == panel_tianma_nt35521_5p5_720p_video_select)
+		return target_tps65132_ctrl(enable);
+
+	return NO_ERROR;
+}
+#endif
+
 int oem_panel_select(const char *panel_name, struct panel_struct *panel,
 		     struct msm_panel_info *pinfo, struct mdss_dsi_phy_ctrl *phy_db)
 {