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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2014-02-10 12:58:47 -0500
committerJiri Kosina <jkosina@suse.cz>2014-02-17 14:51:41 +0100
commit706daeffaf36590efc77142f6a209bfe51804f36 (patch)
treef6481cac898419276f3fb6d608110786121075a1
parent289a7162175ccabf2b8fa52314705df271b41e40 (diff)
HID: uHID: implement .raw_request
uHID is missing a SET_REPORT protocol implementation, but as .hid_get_raw_report() as been removed from struct hid_device, there were no means to access GET_REPORT in uhid. 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>
-rw-r--r--drivers/hid/uhid.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index b6de90392075..60acee422fdc 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -250,6 +250,21 @@ static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);
}
+static int uhid_raw_request(struct hid_device *hid, unsigned char reportnum,
+ __u8 *buf, size_t len, unsigned char rtype,
+ int reqtype)
+{
+ switch (reqtype) {
+ case HID_REQ_GET_REPORT:
+ return uhid_hid_get_raw(hid, reportnum, buf, len, rtype);
+ case HID_REQ_SET_REPORT:
+ /* TODO: implement proper SET_REPORT functionality */
+ return -ENOSYS;
+ default:
+ return -EIO;
+ }
+}
+
static struct hid_ll_driver uhid_hid_driver = {
.start = uhid_hid_start,
.stop = uhid_hid_stop,
@@ -257,6 +272,7 @@ static struct hid_ll_driver uhid_hid_driver = {
.close = uhid_hid_close,
.parse = uhid_hid_parse,
.output_report = uhid_hid_output_report,
+ .raw_request = uhid_raw_request,
};
#ifdef CONFIG_COMPAT

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