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(parent: 20ea39e) | patch
iio: gyro: mpu3050: fix chip ID reading
authorSergey Larin <cerg2010cerg2010@mail.ru>
Sat, 2 Mar 2019 16:54:55 +0000 (19:54 +0300)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sat, 9 Mar 2019 16:55:06 +0000 (16:55 +0000)
commit409a51e0a4a5f908763191fae2c29008632eb712
tree084c49217097ed8718ee04bff5e4a67d59b077e7tree | snapshot
parent20ea39ef9f2f911bd01c69519e7d69cfec79fde3commit | diff
iio: gyro: mpu3050: fix chip ID reading

According to the datasheet, the last bit of CHIP_ID register controls
I2C bus, and the first one is unused. Handle this correctly.

Note that there are chips out there that have a value such that
the id check currently fails.

Signed-off-by: Sergey Larin <cerg2010cerg2010@mail.ru>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/gyro/mpu3050-core.c diff | blob | history
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