From: Patrice Chotard <patrice.chotard@stericsson.com>
Date: Thu, 24 Jan 2013 08:47:22 +0000 (+0100)
Subject: i2c: nomadik: adopt pinctrl support
X-Git-Tag: v3.9-rc1~75^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24e9e157d5197e469a414d0f52ce04e8b539a715;p=pandora-kernel.git

i2c: nomadik: adopt pinctrl support

Amend the I2C nomadik pin controller to optionally take a pin control
handle and set the state of the pins to:

- "default" on boot, resume and before performing an i2c transfer
- "idle" after initial default, after resume default, and after each
   i2c xfer
- "sleep" on suspend()

This should make it possible to optimize energy usage for the pins
both for the suspend/resume cycle, and for runtime cases inbetween
I2C transfers.

Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[wsa: fixed braces on one else-branch]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---

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