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linux-stable/drivers/iio/common/ms_sensors
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Alexandre Belloni 9ea7c79097 iio:common:ms_sensors:ms_sensors_i2c: add support for alternative PROM layout 
Currently, only the 112bit PROM with 7 words is supported. However the ms58xx
family also have devices with a 128bit PROM on 8 words. See AN520:
C-CODE EXAMPLE FOR MS56XX, MS57XX (EXCEPT ANALOG SENSOR), AND MS58XX SERIES
PRESSURE SENSORS and the various device datasheets.

The difference is that the CRC is the 4 LSBs of word7 instead of being the
4 MSBs of word0.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210109231148.1168104-6-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-01-22 08:52:07 +00:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ms_sensors_i2c.c iio:common:ms_sensors:ms_sensors_i2c: add support for alternative PROM layout 2021-01-22 08:52:07 +00:00
ms_sensors_i2c.h iio:common:ms_sensors:ms_sensors_i2c: rework CRC calculation helper 2021-01-22 08:52:06 +00:00