This patch adds support for handling LED input events in uhid driver.
Others input events are sent to userspace as UHID_OUTPUT_EV events.
Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
---
drivers/hid/uhid.c | 32 +++++++++++++++++++++-----------
1 file changed, 21 insertions(+), 11 deletions(-)
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 714cd8c..a5cf905 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -122,21 +122,31 @@ static int uhid_hid_input(struct input_dev *input, unsigned int type,
struct uhid_device *uhid = hid->driver_data;
unsigned long flags;
struct uhid_event *ev;
+ int ret;
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev)
- return -ENOMEM;
+ switch (type) {
+ case EV_LED:
+ ret = hidinput_led_output_report(hid, code, value);
+ break;
- ev->type = UHID_OUTPUT_EV;
- ev->u.output_ev.type = type;
- ev->u.output_ev.code = code;
- ev->u.output_ev.value = value;
+ default:
+ ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
+ if (!ev)
+ return -ENOMEM;
- spin_lock_irqsave(&uhid->qlock, flags);
- uhid_queue(uhid, ev);
- spin_unlock_irqrestore(&uhid->qlock, flags);
+ ev->type = UHID_OUTPUT_EV;
+ ev->u.output_ev.type = type;
+ ev->u.output_ev.code = code;
+ ev->u.output_ev.value = value;
- return 0;
+ spin_lock_irqsave(&uhid->qlock, flags);
+ uhid_queue(uhid, ev);
+ spin_unlock_irqrestore(&uhid->qlock, flags);
+
+ ret = 0;
+ }
+
+ return ret;
}
static int uhid_hid_parse(struct hid_device *hid)
--
1.8.0.1
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