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HID: wiimote: Add wiimote led request 

Add new request that sets the leds on the target device. Also, per
default, set led1 after initializing a device.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
David Herrmann 2011-07-05 13:45:17 +02:00 committed by Jiri Kosina
parent 1abb9ad389
commit db3083467f
1 changed files with 26 additions and 0 deletions
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26
drivers/hid/hid-wiimote.c
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@ -39,7 +39,13 @@ struct wiimote_data {
struct work_struct worker;
};
#define WIIPROTO_FLAG_LED1 0x01
#define WIIPROTO_FLAG_LED2 0x02
#define WIIPROTO_FLAG_LED3 0x04
#define WIIPROTO_FLAG_LED4 0x08
enum wiiproto_reqs {
WIIPROTO_REQ_LED = 0x11,
WIIPROTO_REQ_DRM_K = 0x30,
};
@ -150,6 +156,25 @@ static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer,
spin_unlock_irqrestore(&wdata->qlock, flags);
}
static void wiiproto_req_leds(struct wiimote_data *wdata, int leds)
{
__u8 cmd[2];
cmd[0] = WIIPROTO_REQ_LED;
cmd[1] = 0;
if (leds & WIIPROTO_FLAG_LED1)
cmd[1] |= 0x10;
if (leds & WIIPROTO_FLAG_LED2)
cmd[1] |= 0x20;
if (leds & WIIPROTO_FLAG_LED3)
cmd[1] |= 0x40;
if (leds & WIIPROTO_FLAG_LED4)
cmd[1] |= 0x80;
wiimote_queue(wdata, cmd, sizeof(cmd));
}
static int wiimote_input_event(struct input_dev *dev, unsigned int type,
unsigned int code, int value)
{
@ -301,6 +326,7 @@ static int wiimote_hid_probe(struct hid_device *hdev,
smp_wmb();
atomic_set(&wdata->ready, 1);
hid_info(hdev, "New device registered\n");
wiiproto_req_leds(wdata, WIIPROTO_FLAG_LED1);
return 0;
err_stop: