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iio: st-sensors: add configuration for WhoAmI address

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This patch permits to configure the WhoAmI register address
because some device could have not a standard address for
this register.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Reviewed-by: Denis Ciocca <denis.ciocca@st.com>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Giuseppe Barba 2015-07-21 10:35:41 +02:00 • committed by Jonathan Cameron
parent c176becd81
commit bc27381edb
6 changed files with 39 additions and 26 deletions
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2
include/linux/iio/common/st_sensors.h
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@ -166,6 +166,7 @@ struct st_sensor_transfer_function {
/**
* struct st_sensor_settings - ST specific sensor settings
* @wai: Contents of WhoAmI register.
* @wai_addr: The address of WhoAmI register.
* @sensors_supported: List of supported sensors by struct itself.
* @ch: IIO channels for the sensor.
* @odr: Output data rate register and ODR list available.
@ -179,6 +180,7 @@ struct st_sensor_transfer_function {
*/
struct st_sensor_settings {
u8 wai;
u8 wai_addr;
char sensors_supported[ST_SENSORS_MAX_4WAI][ST_SENSORS_MAX_NAME];
struct iio_chan_spec *ch;
int num_ch;