mmc: slot-gpio: add a helper to check capability of GPIO WP detection

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Like mmc_can_gpio_cd(), mmc_can_gpio_ro() will also be useful for host
drivers to know whether GPIO write-protect detection is supported.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Masahiro Yamada 2018-01-18 01:28:05 +09:00 • committed by Ulf Hansson

parent bc45719c1b

commit 85f9ef8cdf

2 changed files with 9 additions and 0 deletions

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include/linux/mmc/slot-gpio.h

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