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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-06-07 09:59:33 +0300
committerJiri Kosina <jkosina@suse.cz>2017-06-08 14:56:09 +0300
commit28cbc863f4bfa92c26143493f0463e4eb96a1783 (patch)
treed39ec884c850713b30bbd05235d25df446114cf6 /drivers/hid/usbhid/usbhid.h
parent9a83563fb3f926cbf0d5992d5c70d760c445ba09 (diff)
downloadlinux-28cbc863f4bfa92c26143493f0463e4eb96a1783.tar.xz
HID: usbhid: do not rely on hid->open when deciding to do IO
Instead of checking hid->open (that we plan on having HID core manage) in hid_start_in(), let's allocate a couple of new flags: HID_IN_POLLING and HID_OPENED, and use them to decide whether we should be submitting URBs or not. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/usbhid/usbhid.h')
-rw-r--r--drivers/hid/usbhid/usbhid.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h
index ffcd329b3c3b..da9c61d54be6 100644
--- a/drivers/hid/usbhid/usbhid.h
+++ b/drivers/hid/usbhid/usbhid.h
@@ -49,6 +49,17 @@ struct usb_interface *usbhid_find_interface(int minor);
#define HID_KEYS_PRESSED 10
#define HID_NO_BANDWIDTH 11
#define HID_RESUME_RUNNING 12
+/*
+ * The device is opened, meaning there is a client that is interested
+ * in data coming from the device.
+ */
+#define HID_OPENED 13
+/*
+ * We are polling input endpoint by [re]submitting IN URB, because
+ * either HID device is opened or ALWAYS POLL quirk is set for the
+ * device.
+ */
+#define HID_IN_POLLING 14
/*
* USB-specific HID struct, to be pointed to