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| author |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-01-10 00:11:44 +0100 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-01-22 08:52:06 +0000 |
| commit | 8c125f5f325e5caf171f6af95b7cfe7f3e3ba78b (patch) | |
| tree | d649725fbd6f08e3bcff40e19f5e7fad09318bb3 /drivers/iio/common | |
| parent | dt-bindings: trivial-devices: reorder memsic devices (diff) | |
| download | linux-dev-8c125f5f325e5caf171f6af95b7cfe7f3e3ba78b.tar.xz linux-dev-8c125f5f325e5caf171f6af95b7cfe7f3e3ba78b.zip | |
iio:pressure:ms5637: introduce hardware differentiation
Some sensors in the ms58xx family have a different PROM length and a
different number of available resolution. introduce struct ms_tp_hw_data to
handle those differences.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210109231148.1168104-3-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/common')
| -rw-r--r-- | drivers/iio/common/ms_sensors/ms_sensors_i2c.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iio/common/ms_sensors/ms_sensors_i2c.h b/drivers/iio/common/ms_sensors/ms_sensors_i2c.h index bad09c80e47a..f4a88148c113 100644 --- a/drivers/iio/common/ms_sensors/ms_sensors_i2c.h +++ b/drivers/iio/common/ms_sensors/ms_sensors_i2c.h @@ -26,6 +26,16 @@ struct ms_ht_dev { }; /** + * struct ms_hw_data - Temperature/Pressure sensor hardware data + * @prom_len: number of words in the PROM + * @max_res_index: maximum sensor resolution index + */ +struct ms_tp_hw_data { + u8 prom_len; + u8 max_res_index; +}; + +/** * struct ms_tp_dev - Temperature/Pressure sensor device structure * @client: i2c client * @lock: lock protecting the i2c conversion @@ -36,6 +46,7 @@ struct ms_ht_dev { struct ms_tp_dev { struct i2c_client *client; struct mutex lock; + const struct ms_tp_hw_data *hw; u16 prom[MS_SENSORS_TP_PROM_WORDS_NB + 1]; u8 res_index; }; |