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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-05-23 23:18:40 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-05-23 23:18:40 +0100
commitfc05505b77f7900a1bb74fb3f3a4343dee4265a4 (patch)
tree6517919cb60bd9465078512cacbefd8c77f94b76 /drivers/misc/isl29003.c
parenta2ab67fae1ab9226679495a8d260f4e6555efc5f (diff)
parent11c79740d3c03cb81f84e98cf2e2dbd8d9bb53cd (diff)
Merge branch 'ixp4xx' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into devel
Diffstat (limited to 'drivers/misc/isl29003.c')
-rw-r--r--drivers/misc/isl29003.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c
index 2e2a5923d4c..a71e245801e 100644
--- a/drivers/misc/isl29003.c
+++ b/drivers/misc/isl29003.c
@@ -64,6 +64,7 @@ struct isl29003_data {
struct i2c_client *client;
struct mutex lock;
u8 reg_cache[ISL29003_NUM_CACHABLE_REGS];
+ u8 power_state_before_suspend;
};
static int gain_range[] = {
@@ -411,6 +412,9 @@ static int __devexit isl29003_remove(struct i2c_client *client)
#ifdef CONFIG_PM
static int isl29003_suspend(struct i2c_client *client, pm_message_t mesg)
{
+ struct isl29003_data *data = i2c_get_clientdata(client);
+
+ data->power_state_before_suspend = isl29003_get_power_state(client);
return isl29003_set_power_state(client, 0);
}
@@ -421,10 +425,11 @@ static int isl29003_resume(struct i2c_client *client)
/* restore registers from cache */
for (i = 0; i < ARRAY_SIZE(data->reg_cache); i++)
- if (!i2c_smbus_write_byte_data(client, i, data->reg_cache[i]))
+ if (i2c_smbus_write_byte_data(client, i, data->reg_cache[i]))
return -EIO;
- return 0;
+ return isl29003_set_power_state(client,
+ data->power_state_before_suspend);
}
#else