From 14797189b35e9ec4344eeb75bdca4120cba88b69 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Heiko=20St=C3=BCbner?= <heiko@sntech.de>
Date: Wed, 26 Mar 2014 00:57:00 +0100
Subject: [PATCH] pinctrl: rockchip: add return value to rockchip_set_mux

In a following change, rockchip_set_mux gets the possibility to fail.
Therefore add a return value to it and honor error codes in functions
using rockchip_set_mux.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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