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authorRodolfo Giometti <giometti@enneenne.com>2008-01-27 18:14:45 +0100
committerJean Delvare <khali@hyperion.delvare>2008-01-27 18:14:45 +0100
commit1b3e5baa8850947b2cc15f323783ddb04dc4bffa (patch)
tree15dcdb060e6797aff1a688eb9c9eb5a95245821b /drivers
parent5864ae03ca982fb60bedeebfd67562db37c1ee6a (diff)
i2c/tsl2550: Add power management added
Signed-off-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/i2c/chips/tsl2550.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/i2c/chips/tsl2550.c b/drivers/i2c/chips/tsl2550.c
index 3de4b19ba08f..a10fd2791a69 100644
--- a/drivers/i2c/chips/tsl2550.c
+++ b/drivers/i2c/chips/tsl2550.c
@@ -432,11 +432,32 @@ static int __devexit tsl2550_remove(struct i2c_client *client)
return 0;
}
+#ifdef CONFIG_PM
+
+static int tsl2550_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ return tsl2550_set_power_state(client, 0);
+}
+
+static int tsl2550_resume(struct i2c_client *client)
+{
+ return tsl2550_set_power_state(client, 1);
+}
+
+#else
+
+#define tsl2550_suspend NULL
+#define tsl2550_resume NULL
+
+#endif /* CONFIG_PM */
+
static struct i2c_driver tsl2550_driver = {
.driver = {
.name = TSL2550_DRV_NAME,
.owner = THIS_MODULE,
},
+ .suspend = tsl2550_suspend,
+ .resume = tsl2550_resume,
.probe = tsl2550_probe,
.remove = __devexit_p(tsl2550_remove),
};