Some x86 tablets use the bms250 accelerometer, add support for this.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/iio/accel/bma180.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 0890934..5c75190 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -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>
@@ -705,6 +706,8 @@ 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;
int ret;
@@ -716,7 +719,15 @@ static int bma180_probe(struct i2c_client *client,
data = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
data->client = client;
- data->part_info = &bma180_part_info[id->driver_data];
+ if (id) {
+ data->part_info = &bma180_part_info[id->driver_data];
+ } else {
+ acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
+ if (!acpi_id)
+ return -ENODEV;
+
+ data->part_info = &bma180_part_info[acpi_id->driver_data];
+ }
ret = data->part_info->chip_config(data);
if (ret < 0)
@@ -836,6 +847,12 @@ 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", BMA250 },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, bma180_acpi_match);
+
static struct i2c_device_id bma180_ids[] = {
{ "bma180", BMA180 },
{ "bma250", BMA250 },
@@ -847,6 +864,7 @@ MODULE_DEVICE_TABLE(i2c, bma180_ids);
static struct i2c_driver bma180_driver = {
.driver = {
.name = "bma180",
+ .acpi_match_table = ACPI_PTR(bma180_acpi_match),
.pm = BMA180_PM_OPS,
},
.probe = bma180_probe,
--
2.9.3
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