From 7c0bd96b767da250e5aa5ee135c530d87454d9fe Mon Sep 17 00:00:00 2001 From: Sean Young Date: Mon, 13 Aug 2012 08:59:43 -0300 Subject: [PATCH] [media] iguanair: support suspend and resume Now unbind also stops the receiver. Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/iguanair.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c index 58854004db88..f1c5846b35f4 100644 --- a/drivers/media/rc/iguanair.c +++ b/drivers/media/rc/iguanair.c @@ -155,6 +155,7 @@ static void process_ir_data(struct iguanair *ir, unsigned len) static void iguanair_rx(struct urb *urb) { struct iguanair *ir; + int rc; if (!urb) return; @@ -180,7 +181,9 @@ static void iguanair_rx(struct urb *urb) break; } - usb_submit_urb(urb, GFP_ATOMIC); + rc = usb_submit_urb(urb, GFP_ATOMIC); + if (rc && rc != -ENODEV) + dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc); } static int iguanair_send(struct iguanair *ir, void *data, unsigned size) @@ -423,7 +426,7 @@ static void iguanair_close(struct rc_dev *rdev) rc = iguanair_receiver(ir, false); ir->receiver_on = false; - if (rc) + if (rc && rc != -ENODEV) dev_warn(ir->dev, "failed to disable receiver: %d\n", rc); mutex_unlock(&ir->lock); @@ -516,8 +519,6 @@ static int __devinit iguanair_probe(struct usb_interface *intf, usb_set_intfdata(intf, ir); - dev_info(&intf->dev, "Registered %s", ir->name); - return 0; out2: usb_kill_urb(ir->urb_in); @@ -536,12 +537,11 @@ static void __devexit iguanair_disconnect(struct usb_interface *intf) { struct iguanair *ir = usb_get_intfdata(intf); + rc_unregister_device(ir->rc); usb_set_intfdata(intf, NULL); - usb_kill_urb(ir->urb_in); usb_free_urb(ir->urb_in); usb_free_coherent(ir->udev, MAX_PACKET_SIZE, ir->buf_in, ir->dma_in); - rc_unregister_device(ir->rc); kfree(ir); } @@ -558,6 +558,8 @@ static int iguanair_suspend(struct usb_interface *intf, pm_message_t message) dev_warn(ir->dev, "failed to disable receiver for suspend\n"); } + usb_kill_urb(ir->urb_in); + mutex_unlock(&ir->lock); return rc; @@ -570,6 +572,10 @@ static int iguanair_resume(struct usb_interface *intf) mutex_lock(&ir->lock); + rc = usb_submit_urb(ir->urb_in, GFP_KERNEL); + if (rc) + dev_warn(&intf->dev, "failed to submit urb: %d\n", rc); + if (ir->receiver_on) { rc = iguanair_receiver(ir, true); if (rc) @@ -593,7 +599,8 @@ static struct usb_driver iguanair_driver = { .suspend = iguanair_suspend, .resume = iguanair_resume, .reset_resume = iguanair_resume, - .id_table = iguanair_table + .id_table = iguanair_table, + .soft_unbind = 1 /* we want to disable receiver on unbind */ }; module_usb_driver(iguanair_driver); -- 2.20.1