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authorBruno Prémont <bonbons@linux-vserver.org>2010-04-25 23:40:03 +0400
committerJiri Kosina <jkosina@suse.cz>2010-04-27 17:22:00 +0400
commit6a740aa4f47b9f29bad5292cf51f008f3edad9b1 (patch)
tree179e1388bfb21bf17a93c045c29141d8bdc192b4 /include/linux/hid.h
parentab195c58b864802c15e494f06ae109413e12d50b (diff)
downloadlinux-6a740aa4f47b9f29bad5292cf51f008f3edad9b1.tar.xz
HID: add suspend/resume hooks for hid drivers
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>
Diffstat (limited to 'include/linux/hid.h')
-rw-r--r--include/linux/hid.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index b1344ec4b7fc..069e587ae8e6 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -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;
};