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Commit 5333e886 authored by Hans de Goede's avatar Hans de Goede Committed by Jonathan Cameron
Browse files

iio: accel: bma180: Add ACPI enumeration support for BMA250E 



Some x86 tablets use the BMA250E accelerometer, add support for this.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent f1320b09

drivers/iio/accel/bma180.c

+19 −2
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 
 * BMA250: 7-bit I2C slave address 0x18 or 0x19

 */



#include <linux/acpi.h>

#include <linux/module.h>

#include <linux/i2c.h>

#include <linux/interrupt.h>
@@ -727,6 +728,8 @@ static const struct iio_trigger_ops bma180_trigger_ops = { 
static int bma180_probe(struct i2c_client *client,

		const struct i2c_device_id *id)

{

	struct device *dev = &client->dev;

	const struct acpi_device_id *acpi_id;

	struct bma180_data *data;

	struct iio_dev *indio_dev;

	enum chip_ids chip;
@@ -739,10 +742,17 @@ static int bma180_probe(struct i2c_client *client, 
	data = iio_priv(indio_dev);

	i2c_set_clientdata(client, indio_dev);

	data->client = client;

	if (client->dev.of_node)

	if (dev->of_node) {

		chip = (enum chip_ids)of_device_get_match_data(&client->dev);

	else

	} else if (id) {

		chip = id->driver_data;

	} else {

		acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);

		if (!acpi_id)

			return -ENODEV;



		chip = acpi_id->driver_data;

	}

	data->part_info = &bma180_part_info[chip];



	ret = data->part_info->chip_config(data);
@@ -863,6 +873,12 @@ static SIMPLE_DEV_PM_OPS(bma180_pm_ops, bma180_suspend, bma180_resume); 
#define BMA180_PM_OPS NULL

#endif



static const struct acpi_device_id bma180_acpi_match[] = {

	{ "BMA250E", BMA250E },

	{ }

};

MODULE_DEVICE_TABLE(acpi, bma180_acpi_match);



static struct i2c_device_id bma180_ids[] = {

	{ "bma180", BMA180 },

	{ "bma250", BMA250 },
@@ -888,6 +904,7 @@ MODULE_DEVICE_TABLE(of, bma180_of_match); 
static struct i2c_driver bma180_driver = {

	.driver = {

		.name	= "bma180",

		.acpi_match_table = ACPI_PTR(bma180_acpi_match),

		.pm	= BMA180_PM_OPS,

		.of_match_table = bma180_of_match,

	},