diff options
author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2013-02-27 10:38:17 -0500 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2013-03-07 09:58:17 -0500 |
commit | 9684819b5a29e62acd8265a92d8f3454de9bb71e (patch) | |
tree | 8b2da81d84a83ffe794f404cc547e6e8f5c7beef /drivers/hid | |
parent | 777d4bb39a585ff54817815544941c2da70a0bb9 (diff) |
HID: ll_driver: Extend the interface with idle requests
Some drivers send the idle command directly to underlying device,
creating an unwanted dependency on the underlying transport layer.
This patch adds hid_hw_idle() to the interface, thereby removing
usbhid from the lion share of the drivers.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 420466bc481a..effcd3d6f5cf 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c | |||
@@ -1253,6 +1253,20 @@ static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int r | |||
1253 | } | 1253 | } |
1254 | } | 1254 | } |
1255 | 1255 | ||
1256 | static int usbhid_idle(struct hid_device *hid, int report, int idle, | ||
1257 | int reqtype) | ||
1258 | { | ||
1259 | struct usb_device *dev = hid_to_usb_dev(hid); | ||
1260 | struct usb_interface *intf = to_usb_interface(hid->dev.parent); | ||
1261 | struct usb_host_interface *interface = intf->cur_altsetting; | ||
1262 | int ifnum = interface->desc.bInterfaceNumber; | ||
1263 | |||
1264 | if (reqtype != HID_REQ_SET_IDLE) | ||
1265 | return -EINVAL; | ||
1266 | |||
1267 | return hid_set_idle(dev, ifnum, report, idle); | ||
1268 | } | ||
1269 | |||
1256 | static struct hid_ll_driver usb_hid_driver = { | 1270 | static struct hid_ll_driver usb_hid_driver = { |
1257 | .parse = usbhid_parse, | 1271 | .parse = usbhid_parse, |
1258 | .start = usbhid_start, | 1272 | .start = usbhid_start, |
@@ -1263,6 +1277,7 @@ static struct hid_ll_driver usb_hid_driver = { | |||
1263 | .hidinput_input_event = usb_hidinput_input_event, | 1277 | .hidinput_input_event = usb_hidinput_input_event, |
1264 | .request = usbhid_request, | 1278 | .request = usbhid_request, |
1265 | .wait = usbhid_wait_io, | 1279 | .wait = usbhid_wait_io, |
1280 | .idle = usbhid_idle, | ||
1266 | }; | 1281 | }; |
1267 | 1282 | ||
1268 | static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id) | 1283 | static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id) |