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HID: add suspend/resume hooks for hid drivers

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Add suspend/resume hooks for HID drivers so these can do some
additional state adjustment when device gets suspended/resumed.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Bruno Prémont
2010-04-25 21:40:03 +02:00
committed by Jiri Kosina
parent ab195c58b8
commit 6a740aa4f4
2 changed files with 31 additions and 1 deletions
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8
include/linux/hid.h
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@@ -589,6 +589,9 @@ struct hid_usage_id {
* @report_fixup: called before report descriptor parsing (NULL means nop)
* @input_mapping: invoked on input registering before mapping an usage
* @input_mapped: invoked on input registering after mapping an usage
* @suspend: invoked on suspend (NULL means nop)
* @resume: invoked on resume if device was not reset (NULL means nop)
* @reset_resume: invoked on resume if device was reset (NULL means nop)
*
* raw_event and event should return 0 on no action performed, 1 when no
* further processing should be done and negative on error
@@ -629,6 +632,11 @@ struct hid_driver {
int (*input_mapped)(struct hid_device *hdev,
struct hid_input *hidinput, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max);
#ifdef CONFIG_PM
int (*suspend)(struct hid_device *hdev, pm_message_t message);
int (*resume)(struct hid_device *hdev);
int (*reset_resume)(struct hid_device *hdev);
#endif
/* private: */
struct device_driver driver;
};