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

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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>
This commit is contained in:
Russell King 2012-01-21 18:15:24 +00:00
parent 2a7f51a3e0
commit 2e95e51e18
1 changed files with 1 additions and 0 deletions
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drivers/mfd/ucb1x00-core.c
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@ -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) {