board-msm7x30.c /BOSCH_BMA150 driver section

board-msm7x30.c

#ifdef CONFIG_BOSCH_BMA150
static struct vreg *vreg_gp6;
static int sensors_ldo_enable(void)
{
	int rc;

	/*
	 * Enable the VREGs L8(gp7), L15(gp6)
	 * for I2C communication with sensors.
	 */
	pr_info("sensors_ldo_enable called!!\n");
	vreg_gp7 = vreg_get(NULL, "gp7");
	if (IS_ERR(vreg_gp7)) {
		pr_err("%s: vreg_get gp7 failed\n", __func__);
		rc = PTR_ERR(vreg_gp7);
		goto fail_gp7_get;
	}

	rc = vreg_set_level(vreg_gp7, 1800);
	if (rc) {
		pr_err("%s: vreg_set_level gp7 failed\n", __func__);
		goto fail_gp7_level;
	}

	rc = vreg_enable(vreg_gp7);
	if (rc) {
		pr_err("%s: vreg_enable gp7 failed\n", __func__);
		goto fail_gp7_level;
	}

	vreg_gp6 = vreg_get(NULL, "gp6");
	if (IS_ERR(vreg_gp6)) {
		pr_err("%s: vreg_get gp6 failed\n", __func__);
		rc = PTR_ERR(vreg_gp6);
		goto fail_gp6_get;
	}

	rc = vreg_set_level(vreg_gp6, 3050);
	if (rc) {
		pr_err("%s: vreg_set_level gp6 failed\n", __func__);
		goto fail_gp6_level;
	}

	rc = vreg_enable(vreg_gp6);
	if (rc) {
		pr_err("%s: vreg_enable gp6 failed\n", __func__);
		goto fail_gp6_level;
	}

	return 0;

fail_gp6_level:
	vreg_put(vreg_gp6);
fail_gp6_get:
	vreg_disable(vreg_gp7);
fail_gp7_level:
	vreg_put(vreg_gp7);
fail_gp7_get:
	return rc;
}

static void sensors_ldo_disable(void)
{
	pr_info("sensors_ldo_disable called!!\n");
	vreg_disable(vreg_gp6);
	vreg_put(vreg_gp6);
	vreg_disable(vreg_gp7);
	vreg_put(vreg_gp7);
}
static struct bma150_platform_data bma150_data = {
	.power_on = sensors_ldo_enable,
	.power_off = sensors_ldo_disable,
};

static struct i2c_board_info bma150_board_info[] __initdata = {
	{
		I2C_BOARD_INFO("bma150", 0x38),
		.flags = I2C_CLIENT_WAKE,
		.irq = MSM_GPIO_TO_INT(BMA150_GPIO_INT),
		.platform_data = &bma150_data,
	},
};
#endif