AuxXxilium/linux_dsm_epyc7002
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2e419aec3b
linux_dsm_epyc7002/drivers/iio
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Stefan Tatschner 2e419aec3b iio:pressure:bmp280: Read calibration data in probe 
This patch affects BME280 and BMP280. The readout of the calibration
data is moved to the probe function. Each sensor data access triggered
reading the full calibration data before this patch. According to the
datasheet, Section 4.4.2., the calibration data is stored in non-volatile
memory.

Since the calibration data does not change, and cannot be changed by the
user, we can reduce bus traffic by reading the calibration data once.
Additionally, proper organization of the data types enables removing
some odd casts in the compensation formulas.

Signed-off-by: Stefan Tatschner <stefan.tatschner@gmail.com>
Tested-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-08 16:03:43 +01:00
..
accel iio: mma8452: replace license description with SPDX specifier 2018-01-08 16:03:41 +01:00
adc iio: adc: ina2xx: Actually align the loop with the conversion ready flag 2018-01-08 16:03:43 +01:00
amplifiers iio:amplifiers:ad8366 drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:24:50 +01:00
buffer License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
chemical iio: chemical: ccs811: Add support for data ready trigger 2017-09-24 12:34:36 +01:00
common iio: common: ssp_sensors: use ktime_get_real_ns() timestamps 2018-01-08 16:03:41 +01:00
counter iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
dac iio: dac: mcp4725: Remove unneeded conversions to bool 2018-01-08 16:03:41 +01:00
dummy iio: dummy_evgen: modify the return value check for irq_sim_init() 2018-01-08 16:03:41 +01:00
frequency iio:frequency: drop assign iio_info.driver_module 2017-08-22 21:28:20 +01:00
gyro drivers: iio: gyro: remove duplicate includes 2018-01-08 16:03:42 +01:00
health Merge Linus's staging merge point into staging-next 2017-12-06 15:27:17 +01:00
humidity Staging/IIO patches for 4.15-rc1 2017-11-13 20:53:28 -08:00
imu iio: imu: inv_mpu6050: Remove duplicate NULL check 2017-12-02 10:40:11 +00:00
light iio: light: make a couple of config structures static 2018-01-08 16:03:41 +01:00
magnetometer iio: magnetometer: ak8975: Add another ACPI ID 2017-12-02 10:40:02 +00:00
multiplexer iio: multiplexer: add NULL check on devm_kzalloc() and devm_kmemdup() return values 2017-09-03 18:10:29 +01:00
orientation iio:orientation: drop assign iio_info.driver_module 2017-08-22 21:33:36 +01:00
potentiometer Staging/IIO patches for 4.15-rc1 2017-11-13 20:53:28 -08:00
potentiostat iio:potentiostat:lmp91000 drop assign iio_info.driver_module and iio_trigger_ops.owner 2017-08-22 21:34:48 +01:00
pressure iio:pressure:bmp280: Read calibration data in probe 2018-01-08 16:03:43 +01:00
proximity Merge Linus's staging merge point into staging-next 2017-12-06 15:27:17 +01:00
temperature Staging/IIO patches for 4.15-rc1 2017-11-13 20:53:28 -08:00
trigger iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
iio_core_trigger.h
iio_core.h iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
industrialio-buffer.c iio: buffer: Expose data available 2018-01-08 16:03:41 +01:00
industrialio-configfs.c iio: make function argument and some structures const 2017-10-19 16:15:24 +02:00
industrialio-core.c Merge Linus's staging merge point into staging-next 2017-12-06 15:27:17 +01:00
industrialio-event.c iio: iio_push_event(): Don't crash if the event interface is not registered 2016-09-10 16:40:44 +01:00
industrialio-sw-device.c iio: make function argument and some structures const 2017-10-19 16:15:24 +02:00
industrialio-sw-trigger.c iio: make function argument and some structures const 2017-10-19 16:15:24 +02:00
industrialio-trigger.c iio:trigger: Remove necessity to have a trig->ops structure. 2017-08-22 21:20:28 +01:00
industrialio-triggered-event.c iio: Support triggered events 2015-08-27 20:47:09 +01:00
inkern.c First round of IIO new device support, features and cleanups for the 4.14 cycle. 2017-07-27 21:29:49 -07:00
Kconfig iio: multiplexer: new iio category and iio-mux driver 2017-06-03 19:29:26 +09:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00