diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2007-02-20 15:03:32 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-02-23 15:03:47 -0800 |
| commit | 19c262391c4741b012a5031fc438fb694e77c385 (patch) | |
| tree | 1ce81bf30086104f8102b83617d31d998338fbd6 /drivers/usb/core/usb.h | |
| parent | dfa87c824a9a5430008acd1ed2e8111ed164fcbe (diff) | |
USB: export autosuspend delay in sysfs
This patch (as861) adds sysfs attributes to expose the autosuspend
delay value for each USB device. If the user changes the delay from 0
(no autosuspend) to a positive value, an autosuspend is attempted.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/usb.h')
| -rw-r--r-- | drivers/usb/core/usb.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index b0a35f45b09..08b5a04e375 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -66,11 +66,13 @@ static inline void usb_pm_unlock(struct usb_device *udev) {} #ifdef CONFIG_USB_SUSPEND extern void usb_autosuspend_device(struct usb_device *udev); +extern void usb_try_autosuspend_device(struct usb_device *udev); extern int usb_autoresume_device(struct usb_device *udev); #else -#define usb_autosuspend_device(udev) do {} while (0) +#define usb_autosuspend_device(udev) do {} while (0) +#define usb_try_autosuspend_device(udev) do {} while (0) static inline int usb_autoresume_device(struct usb_device *udev) { return 0; |