diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/accel/bma180.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 583831898247..5df5991294df 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -26,6 +26,19 @@ #define BMA180_DRV_NAME "bma180" #define BMA180_IRQ_NAME "bma180_event" +enum { + BMA180, +}; + +struct bma180_part_info { + const struct iio_chan_spec *channels; + unsigned num_channels; + const int *scale_table; + unsigned num_scales; + const int *bw_table; + unsigned num_bw; +}; + /* Register set */ #define BMA180_CHIP_ID 0x00 /* Need to distinguish BMA180 from other */ #define BMA180_ACC_X_LSB 0x02 /* First of 6 registers of accel data */ @@ -77,6 +90,7 @@ struct bma180_data { struct i2c_client *client; struct iio_trigger *trig; + const struct bma180_part_info *part_info; struct mutex mutex; bool sleep_state; int scale; @@ -193,8 +207,8 @@ static int bma180_set_bw(struct bma180_data *data, int val) if (data->sleep_state) return -EBUSY; - for (i = 0; i < ARRAY_SIZE(bma180_bw_table); ++i) { - if (bma180_bw_table[i] == val) { + for (i = 0; i < data->part_info->num_bw; ++i) { + if (data->part_info->bw_table[i] == val) { ret = bma180_set_bits(data, BMA180_BW_TCS, BMA180_BW, i); if (ret) { @@ -217,8 +231,8 @@ static int bma180_set_scale(struct bma180_data *data, int val) if (data->sleep_state) return -EBUSY; - for (i = 0; i < ARRAY_SIZE(bma180_scale_table); ++i) - if (bma180_scale_table[i] == val) { + for (i = 0; i < data->part_info->num_scales; ++i) + if (data->part_info->scale_table[i] == val) { ret = bma180_set_bits(data, BMA180_OFFSET_LSB1, BMA180_RANGE, i); if (ret) { @@ -488,6 +502,14 @@ static const struct iio_chan_spec bma180_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(4), }; +static const struct bma180_part_info bma180_part_info[] = { + [BMA180] = { + bma180_channels, ARRAY_SIZE(bma180_channels), + bma180_scale_table, ARRAY_SIZE(bma180_scale_table), + bma180_bw_table, ARRAY_SIZE(bma180_bw_table), + }, +}; + static irqreturn_t bma180_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; @@ -554,6 +576,7 @@ 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]; ret = bma180_chip_init(data); if (ret < 0) @@ -562,8 +585,8 @@ static int bma180_probe(struct i2c_client *client, mutex_init(&data->mutex); indio_dev->dev.parent = &client->dev; - indio_dev->channels = bma180_channels; - indio_dev->num_channels = ARRAY_SIZE(bma180_channels); + indio_dev->channels = data->part_info->channels; + indio_dev->num_channels = data->part_info->num_channels; indio_dev->name = BMA180_DRV_NAME; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &bma180_info; @@ -674,12 +697,12 @@ static SIMPLE_DEV_PM_OPS(bma180_pm_ops, bma180_suspend, bma180_resume); #define BMA180_PM_OPS NULL #endif -static struct i2c_device_id bma180_id[] = { - { BMA180_DRV_NAME, 0 }, +static struct i2c_device_id bma180_ids[] = { + { BMA180_DRV_NAME, BMA180 }, { } }; -MODULE_DEVICE_TABLE(i2c, bma180_id); +MODULE_DEVICE_TABLE(i2c, bma180_ids); static struct i2c_driver bma180_driver = { .driver = { @@ -689,7 +712,7 @@ static struct i2c_driver bma180_driver = { }, .probe = bma180_probe, .remove = bma180_remove, - .id_table = bma180_id, + .id_table = bma180_ids, }; module_i2c_driver(bma180_driver); |