tree 31ca1c400a6e8d0921125fbe20b156eb35db25de
parent 1296fba1a397b173d45534885a0934a7c005d7e3
author Rabin Vincent <rabin@rab.in> 1437570318 +0200
committer Linus Walleij <linus.walleij@linaro.org> 1438002065 +0200

gpio: generic: support input-only chips

Allow chips to indicates that they are input-only and thus cannot set
the output value.  This will be used by the gpio-etraxfs driver.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>