C++ (Cpp) avdd_dsi_csi_rail_enable示例

示例#1

文件： board-enterprise-panel.c 项目： Klozz/Grouper-3.4

static int enterprise_dsi_panel_enable(struct device *dev)
{
	int ret;
	struct board_info board_info;

	tegra_get_board_info(&board_info);

	ret = avdd_dsi_csi_rail_enable();
	if (ret)
		return ret;


#if DSI_PANEL_RESET
	if ((board_info.fab >= BOARD_FAB_A03) ||
		(board_info.board_id == BOARD_E1239)) {
		if (enterprise_lcd_reg == NULL) {
			enterprise_lcd_reg = regulator_get(dev, "lcd_vddio_en");
			if (IS_ERR_OR_NULL(enterprise_lcd_reg)) {
				pr_err("Could not get regulator lcd_vddio_en\n");
				ret = PTR_ERR(enterprise_lcd_reg);
				enterprise_lcd_reg = NULL;
				return ret;
			}
		}
		if (enterprise_lcd_reg != NULL) {
			ret = regulator_enable(enterprise_lcd_reg);
			if (ret < 0) {
				pr_err("Could not enable lcd_vddio_en\n");
				return ret;
			}
		}
	}

	if (kernel_1st_panel_init == true) {
		ret = gpio_request(enterprise_dsi_panel_reset, "panel reset");
		if (ret < 0)
			return ret;
		kernel_1st_panel_init = false;
	} else {
		ret = gpio_direction_output(enterprise_dsi_panel_reset, 0);
		if (ret < 0) {
			pr_err("%s: gpio_direction_ouput failed %d\n",
				__func__, ret);
			gpio_free(enterprise_dsi_panel_reset);
			return ret;
		}
		gpio_set_value(enterprise_dsi_panel_reset, 0);
		udelay(2000);
		gpio_set_value(enterprise_dsi_panel_reset, 1);
		mdelay(20);
	}
#endif

	return ret;
}

示例#2

文件： board-enterprise-panel.c 项目： AAccount/android_kernel_samsung_p4

static int enterprise_dsi_panel_enable(void)
{
	int ret;
	struct board_info board_info;

	tegra_get_board_info(&board_info);

	ret = avdd_dsi_csi_rail_enable();
	if (ret)
		return ret;

#if DSI_PANEL_RESET

	if (board_info.fab >= BOARD_FAB_A03) {
		if (enterprise_lcd_reg == NULL) {
			enterprise_lcd_reg = regulator_get(NULL, "lcd_vddio_en");
			if (IS_ERR_OR_NULL(enterprise_lcd_reg)) {
				pr_err("Could not get regulator lcd_vddio_en\n");
				ret = PTR_ERR(enterprise_lcd_reg);
				enterprise_lcd_reg = NULL;
				return ret;
			}
		}
		if (enterprise_lcd_reg != NULL) {
			ret = regulator_enable(enterprise_lcd_reg);
			if (ret < 0) {
				pr_err("Could not enable lcd_vddio_en\n");
				return ret;
			}
		}
	}

	if (kernel_1st_panel_init != true) {
		ret = gpio_request(enterprise_dsi_panel_reset, "panel reset");
		if (ret < 0)
			return ret;

		ret = gpio_direction_output(enterprise_dsi_panel_reset, 0);
		if (ret < 0) {
			gpio_free(enterprise_dsi_panel_reset);
			return ret;
		}
		tegra_gpio_enable(enterprise_dsi_panel_reset);

		gpio_set_value(enterprise_dsi_panel_reset, 0);
		udelay(2000);
		gpio_set_value(enterprise_dsi_panel_reset, 1);
		mdelay(20);
	}
#endif

	return ret;
}