aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/hid
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2014-02-17 14:15:48 +0100
committerJiri Kosina <jkosina@suse.cz>2014-02-17 14:15:48 +0100
commit4a76d370f0c0508b5d6580d15eae3d40b47d837c (patch)
treeae833ae8048e3fdaaf7b67563bdad308dc605ae3 /drivers/hid
parent6fad42d5fb42ffcf665634591ad4d9531536eb44 (diff)
HID: uhid: remove uhid_hid_get_raw()
This function is now unused since cafebc058bf8 ("HID: remove hid_get_raw_report in struct hid_device"). Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/uhid.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 12439e1eeae2..89de2fef46b2 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -123,89 +123,6 @@ static int uhid_hid_parse(struct hid_device *hid)
return hid_parse_report(hid, uhid->rd_data, uhid->rd_size);
}
-static int uhid_hid_get_raw(struct hid_device *hid, unsigned char rnum,
- __u8 *buf, size_t count, unsigned char rtype)
-{
- struct uhid_device *uhid = hid->driver_data;
- __u8 report_type;
- struct uhid_event *ev;
- unsigned long flags;
- int ret;
- size_t uninitialized_var(len);
- struct uhid_feature_answer_req *req;
-
- if (!uhid->running)
- return -EIO;
-
- switch (rtype) {
- case HID_FEATURE_REPORT:
- report_type = UHID_FEATURE_REPORT;
- break;
- case HID_OUTPUT_REPORT:
- report_type = UHID_OUTPUT_REPORT;
- break;
- case HID_INPUT_REPORT:
- report_type = UHID_INPUT_REPORT;
- break;
- default:
- return -EINVAL;
- }
-
- ret = mutex_lock_interruptible(&uhid->report_lock);
- if (ret)
- return ret;
-
- ev = kzalloc(sizeof(*ev), GFP_KERNEL);
- if (!ev) {
- ret = -ENOMEM;
- goto unlock;
- }
-
- spin_lock_irqsave(&uhid->qlock, flags);
- ev->type = UHID_FEATURE;
- ev->u.feature.id = atomic_inc_return(&uhid->report_id);
- ev->u.feature.rnum = rnum;
- ev->u.feature.rtype = report_type;
-
- atomic_set(&uhid->report_done, 0);
- uhid_queue(uhid, ev);
- spin_unlock_irqrestore(&uhid->qlock, flags);
-
- ret = wait_event_interruptible_timeout(uhid->report_wait,
- atomic_read(&uhid->report_done), 5 * HZ);
-
- /*
- * Make sure "uhid->running" is cleared on shutdown before
- * "uhid->report_done" is set.
- */
- smp_rmb();
- if (!ret || !uhid->running) {
- ret = -EIO;
- } else if (ret < 0) {
- ret = -ERESTARTSYS;
- } else {
- spin_lock_irqsave(&uhid->qlock, flags);
- req = &uhid->report_buf.u.feature_answer;
-
- if (req->err) {
- ret = -EIO;
- } else {
- ret = 0;
- len = min(count,
- min_t(size_t, req->size, UHID_DATA_MAX));
- memcpy(buf, req->data, len);
- }
-
- spin_unlock_irqrestore(&uhid->qlock, flags);
- }
-
- atomic_set(&uhid->report_done, 1);
-
-unlock:
- mutex_unlock(&uhid->report_lock);
- return ret ? ret : len;
-}
-
static int uhid_hid_output_raw(struct hid_device *hid, __u8 *buf, size_t count,
unsigned char report_type)
{

Privacy Policy