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由 William Breathitt Gray 提交于
The Diamond Systems GPIO-MM series provides registers where 8 lines of GPIO may be set at a time. This patch add support for the set_multiple callback function, thus allowing multiple GPIO output lines to be set more efficiently in groups. Signed-off-by: NWilliam Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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