pinctrl: re-enable old state in case of error in pinctrl_select_state
If a new state is applied, the groups configured in the old state but not in the new state are disabled. If something goes wrong and the new state can't be applied, we have to re-enable those groups. Signed-off-by: NRichard Genoud <richard.genoud@gmail.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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