gpio: sch311x: Use RMW to change direction

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Bit 0 in the config register obviously controls the direction
of the GPIO so instead of hammering 0x0/0x1 into that register,
use read-modify-write so that we can also alter the other bits
in the register.

Cc: Bruno Randolf <br1@einfach.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Linus Walleij 2018-06-27 10:52:07 +02:00

parent f9e03b0ef1

commit 4a2398d721

1 changed files with 12 additions and 10 deletions

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drivers/gpio/gpio-sch311x.c

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