Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 85d79136 authored by Gregor Boirie's avatar Gregor Boirie Committed by Jonathan Cameron
Browse files

iio:st_pressure:lps22hb: temperature support 



Implement lps22hb temperature sampling channel.

Signed-off-by: default avatarGregor Boirie <gregor.boirie@parrot.com>
Tested-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 05167cdc

drivers/iio/pressure/st_pressure_core.c

+23 −3
Original line number Diff line number Diff line
@@ -196,6 +196,10 @@ 
 * See LPS22HB datasheet:

 * http://www2.st.com/resource/en/datasheet/lps22hb.pdf

 */



/* LPS22HB temperature sensitivity */

#define ST_PRESS_LPS22HB_LSB_PER_CELSIUS	100UL



#define ST_PRESS_LPS22HB_WAI_EXP		0xb1

#define ST_PRESS_LPS22HB_ODR_ADDR		0x10

#define ST_PRESS_LPS22HB_ODR_MASK		0x70
@@ -307,7 +311,22 @@ static const struct iio_chan_spec st_press_lps22hb_channels[] = { 
		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),

		.modified = 0,

	},

	IIO_CHAN_SOFT_TIMESTAMP(1)

	{

		.type = IIO_TEMP,

		.address = ST_TEMP_1_OUT_L_ADDR,

		.scan_index = 1,

		.scan_type = {

			.sign = 's',

			.realbits = 16,

			.storagebits = 16,

			.endianness = IIO_LE,

		},

		.info_mask_separate =

			BIT(IIO_CHAN_INFO_RAW) |

			BIT(IIO_CHAN_INFO_SCALE),

		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),

	},

	IIO_CHAN_SOFT_TIMESTAMP(2)

};



static const struct st_sensor_settings st_press_sensors_settings[] = {
@@ -494,12 +513,13 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { 
		.fs = {

			.fs_avl = {

				/*

				 * Sensitivity values as defined in table 3 of

				 * LPS22HB datasheet.

				 * Pressure and temperature sensitivity values

				 * as defined in table 3 of LPS22HB datasheet.

				 */

				[0] = {

					.num = ST_PRESS_FS_AVL_1260MB,

					.gain = ST_PRESS_KPASCAL_NANO_SCALE,

					.gain2 = ST_PRESS_LPS22HB_LSB_PER_CELSIUS,

				},

			},

		},