diff options
Diffstat (limited to 'drivers/misc/isl29003.c')
| -rw-r--r-- | drivers/misc/isl29003.c | 9 |
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 |