diff options
| author | Henrik Rydberg <rydberg@euromail.se> | 2013-02-25 11:31:43 +0100 |
|---|---|---|
| committer | Mandar Padmawar <mpadmawar@nvidia.com> | 2014-06-25 00:49:22 -0700 |
| commit | 24ecbc72fa2f744b82c46001173b88af9ad6f665 (patch) | |
| tree | d8d25459dd293f350fcc486c9bfb4abd04c43be7 /drivers | |
| parent | 03594fba1aadc12c1eb79b4d338418768a0d6abb (diff) | |
HID: Extend the interface with report requests
Some drivers send reports directly to underlying device, creating an
unwanted dependency on the underlying transport layer. This patch adds
hid_hw_request() to the interface, thereby removing usbhid from the
lion share of the drivers.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
(cherry picked from commit e90a6df80dc45ab53d2f4f4db297434e48c0208e)
Change-Id: Ib042c9600a56d092e1548e7c12a1fddf28a0ac5b
Signed-off-by: Jean Huang <jeanh@nvidia.com>
Reviewed-on: http://git-master/r/427991
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/usbhid/hid-core.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index f03401947718..ec70dd25ba59 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1242,6 +1242,18 @@ static int usbhid_power(struct hid_device *hid, int lvl) return r; } +static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int reqtype) +{ + switch (reqtype) { + case HID_REQ_GET_REPORT: + usbhid_submit_report(hid, rep, USB_DIR_IN); + break; + case HID_REQ_SET_REPORT: + usbhid_submit_report(hid, rep, USB_DIR_OUT); + break; + } +} + static struct hid_ll_driver usb_hid_driver = { .parse = usbhid_parse, .start = usbhid_start, @@ -1250,6 +1262,7 @@ static struct hid_ll_driver usb_hid_driver = { .close = usbhid_close, .power = usbhid_power, .hidinput_input_event = usb_hidinput_input_event, + .request = usbhid_request, }; static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id) |