C++ (Cpp) bt_dt_parse_vreg_info示例

示例#1

文件： bluetooth-power.c 项目： AndroidGX/SimpleGX-L-5.0.2_BOD6_G901F

static int bt_power_populate_dt_pinfo(struct platform_device *pdev)
{
	int rc;

	BT_PWR_DBG("");

	if (!bt_power_pdata)
		return -ENOMEM;

	if (pdev->dev.of_node) {
#ifdef USE_GPIO_EXPANDER_BT_EN
		rc = of_property_read_u32(pdev->dev.of_node,
						"qca,bt-reset-gpio", &bt_power_pdata->bt_gpio_sys_rst);
		BT_PWR_DBG("GPIO_EXPANDER rc : %d", rc);
#else
		bt_power_pdata->bt_gpio_sys_rst =
			of_get_named_gpio(pdev->dev.of_node,
						"qca,bt-reset-gpio", 0);
#endif
		if (bt_power_pdata->bt_gpio_sys_rst < 0) {
			BT_PWR_ERR("bt-reset-gpio not provided in device tree");
			return bt_power_pdata->bt_gpio_sys_rst;
		}

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_vdd_io,
					"qca,bt-vdd-io");
		if (rc < 0)
			return rc;

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_vdd_pa,
					"qca,bt-vdd-pa");
		if (rc < 0)
			return rc;

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_vdd_ldo,
					"qca,bt-vdd-ldo");
		if (rc < 0)
			return rc;

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_chip_pwd,
					"qca,bt-chip-pwd");
		if (rc < 0)
			return rc;

	}

	bt_power_pdata->bt_power_setup = bluetooth_power;

	return 0;
}

示例#2

文件： bluetooth-power.c 项目： romanbb/android_kernel_lge_d851

static int bt_power_populate_dt_pinfo(struct platform_device *pdev)
{
	int rc;

	BT_PWR_DBG("");

	if (!bt_power_pdata)
		return -ENOMEM;

	if (pdev->dev.of_node) {
		bt_power_pdata->bt_gpio_sys_rst =
			of_get_named_gpio(pdev->dev.of_node,
						"qca,bt-reset-gpio", 0);
		if (bt_power_pdata->bt_gpio_sys_rst < 0) {
			BT_PWR_ERR("bt-reset-gpio not provided in device tree");
			return bt_power_pdata->bt_gpio_sys_rst;
		}

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_vdd_io,
					"qca,bt-vdd-io");
		if (rc < 0)
			return rc;

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_vdd_pa,
					"qca,bt-vdd-pa");
		if (rc < 0)
			return rc;

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_vdd_ldo,
					"qca,bt-vdd-ldo");
		if (rc < 0)
			return rc;

		rc = bt_dt_parse_vreg_info(&pdev->dev,
					&bt_power_pdata->bt_chip_pwd,
					"qca,bt-chip-pwd");
		if (rc < 0)
			return rc;

	}

	bt_power_pdata->bt_power_setup = bluetooth_power;

	return 0;
}