diff options
| author |   Vojtech Pavlik <vojtech@suse.cz> | 2005-05-29 02:28:00 -0500 |
|---|---|---|
| committer |   Dmitry Torokhov <dtor_core@ameritech.net> | 2005-05-29 02:28:00 -0500 |
| commit | 854561b019285acf6e98ca9288fef0d034476fec (patch) | |
| tree | a8f8a415ea6e07a80e1b43b7faa1e248840a05a7 /drivers/usb/input | |
| parent | Input: Add driver for ITM Touch USB touchscreens. (diff) | |
| download | linux-dev-854561b019285acf6e98ca9288fef0d034476fec.tar.xz linux-dev-854561b019285acf6e98ca9288fef0d034476fec.zip | |
Input: Make hid-core issue a SET_IDLE request before GET_REPORT, like
Windows does. This should make life easier for devices that were
tested with Windows only.
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/usb/input')
| -rw-r--r-- | drivers/usb/input/hid-core.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 869ff73690ac..cd8d221395e2 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1233,6 +1233,13 @@ int hid_wait_io(struct hid_device *hid) return 0; } +static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle) +{ + usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report, + ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT); +} + static int hid_get_class_descriptor(struct usb_device *dev, int ifnum, unsigned char type, void *buf, int size) { @@ -1301,10 +1308,6 @@ void hid_init_reports(struct hid_device *hid) if (err) warn("timeout initializing reports\n"); - - usb_control_msg(hid->dev, usb_sndctrlpipe(hid->dev, 0), - HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, - hid->ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT); } #define USB_VENDOR_ID_WACOM 0x056a @@ -1572,6 +1575,8 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) return NULL; } + hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0); + if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) { dbg("reading report descriptor failed"); kfree(rdesc); |