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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-21 18:15:24 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-21 18:32:24 +0000 |
| commit | 2e95e51e184bd107380881502ea0f483c4500706 (patch) | |
| tree | 472a3f839cc36d871ef551e26206feb8f90d7f74 /drivers/mfd/ucb1x00-core.c | |
| parent | MFD: mcp-core: fix mcp_priv() to be more type safe (diff) | |
| download | linux-dev-2e95e51e184bd107380881502ea0f483c4500706.tar.xz linux-dev-2e95e51e184bd107380881502ea0f483c4500706.zip | |
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>
Diffstat (limited to 'drivers/mfd/ucb1x00-core.c')
| -rw-r--r-- | drivers/mfd/ucb1x00-core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index b281217334eb..8ebda97981e1 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) { |