diff options
author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-02 10:53:33 +0100 |
---|---|---|
committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-02 15:42:46 +0100 |
commit | 9e3562080950b6e3fe38a5e34ddd5b1c618f2019 (patch) | |
tree | da0537417266aa409ada15f7db968d21cc1ca7b8 /drivers/hid/hid-core.c | |
parent | 740bebf42104d2f082514b1545a14056f3b1b56c (diff) | |
download | linux-9e3562080950b6e3fe38a5e34ddd5b1c618f2019.tar.bz2 |
HID: add suspend/resume helpers
There is a lot of duplication of code in the HID low level drivers.
Better have everything in one place so we can eventually extend it
in a generic way.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20211202095334.14399-4-benjamin.tissoires@redhat.com
Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r-- | drivers/hid/hid-core.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index dbed2524fd47..5402329d6eca 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2126,6 +2126,35 @@ void hid_hw_close(struct hid_device *hdev) } EXPORT_SYMBOL_GPL(hid_hw_close); +#ifdef CONFIG_PM +int hid_driver_suspend(struct hid_device *hdev, pm_message_t state) +{ + if (hdev->driver && hdev->driver->suspend) + return hdev->driver->suspend(hdev, state); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_driver_suspend); + +int hid_driver_reset_resume(struct hid_device *hdev) +{ + if (hdev->driver && hdev->driver->reset_resume) + return hdev->driver->reset_resume(hdev); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_driver_reset_resume); + +int hid_driver_resume(struct hid_device *hdev) +{ + if (hdev->driver && hdev->driver->resume) + return hdev->driver->resume(hdev); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_driver_resume); +#endif /* CONFIG_PM */ + struct hid_dynid { struct list_head list; struct hid_device_id id; |