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-rw-r--r--drivers/iio/accel/bmc150-accel.c46
1 files changed, 19 insertions, 27 deletions
diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c
index 5be65e2cb244..a7b66edf2a38 100644
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -151,6 +151,7 @@ struct bmc150_scale_info {
};
struct bmc150_accel_chip_info {
+ const char *name;
u8 chip_id;
const struct iio_chan_spec *channels;
int num_channels;
@@ -1062,6 +1063,7 @@ enum {
static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
[bmc150] = {
+ .name = "BMC150A",
.chip_id = 0xFA,
.channels = bmc150_accel_channels,
.num_channels = ARRAY_SIZE(bmc150_accel_channels),
@@ -1071,6 +1073,7 @@ static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
{76590, BMC150_ACCEL_DEF_RANGE_16G} },
},
[bmi055] = {
+ .name = "BMI055A",
.chip_id = 0xFA,
.channels = bmc150_accel_channels,
.num_channels = ARRAY_SIZE(bmc150_accel_channels),
@@ -1080,6 +1083,7 @@ static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
{76590, BMC150_ACCEL_DEF_RANGE_16G} },
},
[bma255] = {
+ .name = "BMA0255",
.chip_id = 0xFA,
.channels = bmc150_accel_channels,
.num_channels = ARRAY_SIZE(bmc150_accel_channels),
@@ -1089,6 +1093,7 @@ static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
{76590, BMC150_ACCEL_DEF_RANGE_16G} },
},
[bma250e] = {
+ .name = "BMA250E",
.chip_id = 0xF9,
.channels = bma250e_accel_channels,
.num_channels = ARRAY_SIZE(bma250e_accel_channels),
@@ -1098,6 +1103,7 @@ static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
{306457, BMC150_ACCEL_DEF_RANGE_16G} },
},
[bma222e] = {
+ .name = "BMA222E",
.chip_id = 0xF8,
.channels = bma222e_accel_channels,
.num_channels = ARRAY_SIZE(bma222e_accel_channels),
@@ -1107,6 +1113,7 @@ static const struct bmc150_accel_chip_info bmc150_accel_chip_info_tbl[] = {
{1225831, BMC150_ACCEL_DEF_RANGE_16G} },
},
[bma280] = {
+ .name = "BMA0280",
.chip_id = 0xFB,
.channels = bma280_accel_channels,
.num_channels = ARRAY_SIZE(bma280_accel_channels),
@@ -1353,20 +1360,6 @@ static irqreturn_t bmc150_accel_irq_handler(int irq, void *private)
return IRQ_NONE;
}
-static const char *bmc150_accel_match_acpi_device(struct device *dev, int *data)
-{
- const struct acpi_device_id *id;
-
- id = acpi_match_device(dev->driver->acpi_match_table, dev);
-
- if (!id)
- return NULL;
-
- *data = (int)id->driver_data;
-
- return dev_name(dev);
-}
-
static int bmc150_accel_gpio_probe(struct i2c_client *client,
struct bmc150_accel_data *data)
{
@@ -1563,7 +1556,7 @@ static const struct iio_buffer_setup_ops bmc150_accel_buffer_ops = {
static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
{
- int ret;
+ int ret, i;
ret = i2c_smbus_read_byte_data(data->client, BMC150_ACCEL_REG_CHIP_ID);
if (ret < 0) {
@@ -1572,8 +1565,15 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
}
dev_dbg(&data->client->dev, "Chip Id %x\n", ret);
- if (ret != data->chip_info->chip_id) {
- dev_err(&data->client->dev, "Invalid chip %x\n", ret);
+ for (i = 0; i < ARRAY_SIZE(bmc150_accel_chip_info_tbl); i++) {
+ if (bmc150_accel_chip_info_tbl[i].chip_id == ret) {
+ data->chip_info = &bmc150_accel_chip_info_tbl[i];
+ break;
+ }
+ }
+
+ if (!data->chip_info) {
+ dev_err(&data->client->dev, "Unsupported chip %x\n", ret);
return -ENODEV;
}
@@ -1625,7 +1625,6 @@ static int bmc150_accel_probe(struct i2c_client *client,
struct iio_dev *indio_dev;
int ret;
const char *name = NULL;
- int chip_id = 0;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
if (!indio_dev)
@@ -1635,15 +1634,8 @@ static int bmc150_accel_probe(struct i2c_client *client,
i2c_set_clientdata(client, indio_dev);
data->client = client;
- if (id) {
+ if (id)
name = id->name;
- chip_id = id->driver_data;
- }
-
- if (ACPI_HANDLE(&client->dev))
- name = bmc150_accel_match_acpi_device(&client->dev, &chip_id);
-
- data->chip_info = &bmc150_accel_chip_info_tbl[chip_id];
ret = bmc150_accel_chip_init(data);
if (ret < 0)
@@ -1654,7 +1646,7 @@ static int bmc150_accel_probe(struct i2c_client *client,
indio_dev->dev.parent = &client->dev;
indio_dev->channels = data->chip_info->channels;
indio_dev->num_channels = data->chip_info->num_channels;
- indio_dev->name = name;
+ indio_dev->name = name ? name : data->chip_info->name;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmc150_accel_info;