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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2017-04-05 16:50:46 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-04-07 12:14:04 +0200
commit11598d1740500e3c1848122f3e77ab017aa38b77 (patch)
treef8897a4c50430564183dbf3b0555b443d85771bf /include/dt-bindings/gpio
parente1e37d6c4a78bb6fb9b67115f497337cb38de503 (diff)
downloadlinux-11598d1740500e3c1848122f3e77ab017aa38b77.tar.gz
gpio: arizona: Correct handling for reading input GPIOs
The GPIO register is cached since all the configuration resides within
it, however, this means for input GPIOs the driver will not return the
actual state but the last value written to the register cache.

To correct this in the case of reading an input GPIO resume the CODEC
and drop the cache for the input register to ensure an actual hardware
read takes place.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/dt-bindings/gpio')
0 files changed, 0 insertions, 0 deletions