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authorVojtech Pavlik <vojtech@suse.cz>2005-05-29 02:28:00 -0500
committerDmitry Torokhov <dtor_core@ameritech.net>2005-05-29 02:28:00 -0500
commit854561b019285acf6e98ca9288fef0d034476fec (patch)
treea8f8a415ea6e07a80e1b43b7faa1e248840a05a7 /drivers/usb/input
parent8608471262ddf4b8ed4120d7211251e8b8dcbda9 (diff)
downloadop-kernel-dev-854561b019285acf6e98ca9288fef0d034476fec.zip
op-kernel-dev-854561b019285acf6e98ca9288fef0d034476fec.tar.gz
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.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 869ff73..cd8d221 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);
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