gpio: pca953x: Restore registers after suspend/resume cycle

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It is possible that the PCA953x is powered down during suspend.
Use regmap cache to assure the registers in the PCA953x are in
line with the driver state after resume.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Marek Vasut 2018-12-12 02:40:02 +01:00 • committed by Linus Walleij

parent 87813cf30a

commit b765743005

1 changed files with 88 additions and 0 deletions

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drivers/gpio/gpio-pca953x.c

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