summaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2014-02-20 21:24:49 +0100
committerJiri Kosina <jkosina@suse.cz>2014-02-24 17:23:15 +0100
commit3c86726cfe38952f0366f86acfbbb025813ec1c2 (patch)
tree74192839f11f698ee74ea55b4c17717e4c1bffba /Documentation
parentHID: input: hid-input remove hid_output_raw_report call (diff)
downloadlinux-3c86726cfe38952f0366f86acfbbb025813ec1c2.tar.xz
linux-3c86726cfe38952f0366f86acfbbb025813ec1c2.zip
HID: make .raw_request mandatory
SET_REPORT and GET_REPORT are mandatory in the HID specification. Make the corresponding API in hid-core mandatory too, which removes the need to test against it in some various places. 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 'Documentation')
-rw-r--r--Documentation/hid/hid-transport.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/hid/hid-transport.txt b/Documentation/hid/hid-transport.txt
index 9dbbceaef4f3..3dcba9fd4a3a 100644
--- a/Documentation/hid/hid-transport.txt
+++ b/Documentation/hid/hid-transport.txt
@@ -283,7 +283,8 @@ The available HID callbacks are:
int reqtype)
Same as ->request() but provides the report as raw buffer. This request shall
be synchronous. A transport driver must not use ->wait() to complete such
- requests.
+ requests. This request is mandatory and hid core will reject the device if
+ it is missing.
- int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len)
Send raw output report via intr channel. Used by some HID device drivers