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| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-01-08 23:12:30 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-01-30 19:33:18 +0100 |
| commit | 621779220bfc5d2f3e3790e491ae9f91372a12e7 (patch) | |
| tree | da5269590ec95868fbe67a5fbb07dfda467eb1bf /drivers/iio/humidity/hts221.h | |
| parent | iio: humidity: hts221: remove trailing whitespace from a comment (diff) | |
| download | linux-621779220bfc5d2f3e3790e491ae9f91372a12e7.tar.xz linux-621779220bfc5d2f3e3790e491ae9f91372a12e7.zip | |
iio: humidity: hts221: add regmap API support
Introduce regmap API support to access to i2c/spi bus instead of
using a custom support.
Remove lock mutex since concurrency is already managed by regmap API
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/humidity/hts221.h')
| -rw-r--r-- | drivers/iio/humidity/hts221.h | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/iio/humidity/hts221.h b/drivers/iio/humidity/hts221.h index c581af8c0f5d..e41a3d83e95d 100644 --- a/drivers/iio/humidity/hts221.h +++ b/drivers/iio/humidity/hts221.h @@ -15,21 +15,8 @@ #include <linux/iio/iio.h> -#define HTS221_RX_MAX_LENGTH 8 -#define HTS221_TX_MAX_LENGTH 8 - #define HTS221_DATA_SIZE 2 -struct hts221_transfer_buffer { - u8 rx_buf[HTS221_RX_MAX_LENGTH]; - u8 tx_buf[HTS221_TX_MAX_LENGTH] ____cacheline_aligned; -}; - -struct hts221_transfer_function { - int (*read)(struct device *dev, u8 addr, int len, u8 *data); - int (*write)(struct device *dev, u8 addr, int len, u8 *data); -}; - enum hts221_sensor_type { HTS221_SENSOR_H, HTS221_SENSOR_T, @@ -44,8 +31,8 @@ struct hts221_sensor { struct hts221_hw { const char *name; struct device *dev; + struct regmap *regmap; - struct mutex lock; struct iio_trigger *trig; int irq; @@ -53,16 +40,12 @@ struct hts221_hw { bool enabled; u8 odr; - - const struct hts221_transfer_function *tf; - struct hts221_transfer_buffer tb; }; extern const struct dev_pm_ops hts221_pm_ops; -int hts221_write_with_mask(struct hts221_hw *hw, u8 addr, u8 mask, u8 val); int hts221_probe(struct device *dev, int irq, const char *name, - const struct hts221_transfer_function *tf_ops); + struct regmap *regmap); int hts221_set_enable(struct hts221_hw *hw, bool enable); int hts221_allocate_buffers(struct hts221_hw *hw); int hts221_allocate_trigger(struct hts221_hw *hw); |