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[media] ttusbir: ad support suspend and resume

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While here, fix the led name: the led is green, not yellow.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sean Young 2012-08-28 13:18:32 -03:00 committed by Mauro Carvalho Chehab
parent d9751fd02a
commit 3404cb5c4d
1 changed files with 44 additions and 4 deletions
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48
drivers/media/rc/ttusbir.c
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@ -66,11 +66,11 @@ static void ttusbir_set_led(struct ttusbir *tt)
smp_mb();
if (tt->led_on != tt->is_led_on &&
if (tt->led_on != tt->is_led_on && tt->udev &&
atomic_add_unless(&tt->led_complete, 1, 1)) {
tt->bulk_buffer[4] = tt->is_led_on = tt->led_on;
ret = usb_submit_urb(tt->bulk_urb, GFP_ATOMIC);
if (ret && ret != -ENODEV) {
if (ret) {
dev_warn(tt->dev, "failed to submit bulk urb: %d\n",
ret);
atomic_dec(&tt->led_complete);
@ -300,7 +300,7 @@ static int __devinit ttusbir_probe(struct usb_interface *intf,
tt->bulk_out_endp), tt->bulk_buffer, sizeof(tt->bulk_buffer),
ttusbir_bulk_complete, tt);
tt->led.name = "ttusbir:yellow:power";
tt->led.name = "ttusbir:green:power";
tt->led.brightness_set = ttusbir_brightness_set;
tt->led.brightness_get = ttusbir_brightness_get;
tt->is_led_on = tt->led_on = true;
@ -370,13 +370,16 @@ out:
static void __devexit ttusbir_disconnect(struct usb_interface *intf)
{
struct ttusbir *tt = usb_get_intfdata(intf);
struct usb_device *udev = tt->udev;
int i;
tt->udev = NULL;
rc_unregister_device(tt->rc);
led_classdev_unregister(&tt->led);
for (i = 0; i < NUM_URBS; i++) {
usb_kill_urb(tt->urb[i]);
usb_free_coherent(tt->udev, 128, tt->urb[i]->transfer_buffer,
usb_free_coherent(udev, 128, tt->urb[i]->transfer_buffer,
tt->urb[i]->transfer_dma);
usb_free_urb(tt->urb[i]);
}
@ -386,6 +389,40 @@ static void __devexit ttusbir_disconnect(struct usb_interface *intf)
kfree(tt);
}
static int ttusbir_suspend(struct usb_interface *intf, pm_message_t message)
{
struct ttusbir *tt = usb_get_intfdata(intf);
int i;
for (i = 0; i < NUM_URBS; i++)
usb_kill_urb(tt->urb[i]);
led_classdev_suspend(&tt->led);
usb_kill_urb(tt->bulk_urb);
return 0;
}
static int ttusbir_resume(struct usb_interface *intf)
{
struct ttusbir *tt = usb_get_intfdata(intf);
int i, rc;
led_classdev_resume(&tt->led);
tt->is_led_on = true;
ttusbir_set_led(tt);
for (i = 0; i < NUM_URBS; i++) {
rc = usb_submit_urb(tt->urb[i], GFP_KERNEL);
if (rc) {
dev_warn(tt->dev, "failed to submit urb: %d\n", rc);
break;
}
}
return rc;
}
static const struct usb_device_id ttusbir_table[] = {
{ USB_DEVICE(0x0b48, 0x2003) },
{ }
@ -395,6 +432,9 @@ static struct usb_driver ttusbir_driver = {
.name = DRIVER_NAME,
.id_table = ttusbir_table,
.probe = ttusbir_probe,
.suspend = ttusbir_suspend,
.resume = ttusbir_resume,
.reset_resume = ttusbir_resume,
.disconnect = __devexit_p(ttusbir_disconnect)
};