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| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-02-20 18:37:05 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-24 20:11:13 (GMT) |
| commit | 01788c533acbd63702146a2be975ae4007cfb2cf (patch) | |
| tree | 06af3b838bb42e46ad124c1841398c5113f455ae /drivers/staging/iio/dac | |
| parent | 4eeb3335bbfb4e9d6a7995f283deeecb06e07aea (diff) | |
| download | linux-fsl-qoriq-01788c533acbd63702146a2be975ae4007cfb2cf.tar.xz | |
staging:iio: Use dev_pm_ops
Use dev_pm_ops instead of legacy suspend/resume callbacks for IIO drivers.
Note that this patch introduces a few new #ifdef CONFIG_PM_SLEEP around the
suspend and resume callbacks to avoid warnings of unused functions if
CONFIG_PM_SLEEP is not defined.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio/dac')
| -rw-r--r-- | drivers/staging/iio/dac/max517.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/staging/iio/dac/max517.c b/drivers/staging/iio/dac/max517.c index a4df6d7..41483c7 100644 --- a/drivers/staging/iio/dac/max517.c +++ b/drivers/staging/iio/dac/max517.c @@ -179,20 +179,27 @@ static struct attribute_group max518_attribute_group = { .attrs = max518_attributes, }; -static int max517_suspend(struct i2c_client *client, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int max517_suspend(struct device *dev) { u8 outbuf = COMMAND_PD; - return i2c_master_send(client, &outbuf, 1); + return i2c_master_send(to_i2c_client(dev), &outbuf, 1); } -static int max517_resume(struct i2c_client *client) +static int max517_resume(struct device *dev) { u8 outbuf = 0; - return i2c_master_send(client, &outbuf, 1); + return i2c_master_send(to_i2c_client(dev), &outbuf, 1); } +static SIMPLE_DEV_PM_OPS(max517_pm_ops, max517_suspend, max517_resume); +#define MAX517_PM_OPS (&max517_pm_ops) +#else +#define MAX517_PM_OPS NULL +#endif + static const struct iio_info max517_info = { .attrs = &max517_attribute_group, .driver_module = THIS_MODULE, @@ -273,11 +280,10 @@ MODULE_DEVICE_TABLE(i2c, max517_id); static struct i2c_driver max517_driver = { .driver = { .name = MAX517_DRV_NAME, + .pm = MAX517_PM_OPS, }, .probe = max517_probe, .remove = max517_remove, - .suspend = max517_suspend, - .resume = max517_resume, .id_table = max517_id, }; module_i2c_driver(max517_driver); |