From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 21 Jan 2012 18:15:24 +0000 (+0000)
Subject: MFD: ucb1x00-core: fix missing restore of io output data on resume
X-Git-Tag: v3.3-rc2~18^2~1^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2e95e51e184bd107380881502ea0f483c4500706;p=profile%2Fivi%2Fkernel-x86-ivi.git

MFD: ucb1x00-core: fix missing restore of io output data on resume

We were not restoring the UCB1x00 gpio output data on resume, resulting
in incorrect GPIO output data after a resume.  Add the missing register
write.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index b281217..8ebda97 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -687,6 +687,7 @@ static int ucb1x00_resume(struct mcp *mcp)
 	struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
 	struct ucb1x00_dev *dev;
 
+	ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
 	ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
 	mutex_lock(&ucb1x00_mutex);
 	list_for_each_entry(dev, &ucb->devs, dev_node) {