diff options
Diffstat (limited to 'drivers/media/rc/iguanair.c')
| -rw-r--r-- | drivers/media/rc/iguanair.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c index 5a9163da63c..a4ab2e6b3f8 100644 --- a/drivers/media/rc/iguanair.c +++ b/drivers/media/rc/iguanair.c @@ -58,6 +58,7 @@ struct iguanair { char phys[64]; }; +#define CMD_NOP 0x00 #define CMD_GET_VERSION 0x01 #define CMD_GET_BUFSIZE 0x11 #define CMD_GET_FEATURES 0x10 @@ -196,6 +197,10 @@ static void iguanair_irq_out(struct urb *urb) if (urb->status) dev_dbg(ir->dev, "Error: out urb status = %d\n", urb->status); + + /* if we sent an nop packet, do not expect a response */ + if (urb->status == 0 && ir->packet->header.cmd == CMD_NOP) + complete(&ir->completion); } static int iguanair_send(struct iguanair *ir, unsigned size) @@ -219,10 +224,17 @@ static int iguanair_get_features(struct iguanair *ir) { int rc; + /* + * On cold boot, the iguanair initializes on the first packet + * received but does not process that packet. Send an empty + * packet. + */ ir->packet->header.start = 0; ir->packet->header.direction = DIR_OUT; - ir->packet->header.cmd = CMD_GET_VERSION; + ir->packet->header.cmd = CMD_NOP; + iguanair_send(ir, sizeof(ir->packet->header)); + ir->packet->header.cmd = CMD_GET_VERSION; rc = iguanair_send(ir, sizeof(ir->packet->header)); if (rc) { dev_info(ir->dev, "failed to get version\n"); @@ -255,19 +267,14 @@ static int iguanair_get_features(struct iguanair *ir) ir->packet->header.cmd = CMD_GET_FEATURES; rc = iguanair_send(ir, sizeof(ir->packet->header)); - if (rc) { + if (rc) dev_info(ir->dev, "failed to get features\n"); - goto out; - } - out: return rc; } static int iguanair_receiver(struct iguanair *ir, bool enable) { - int rc; - ir->packet->header.start = 0; ir->packet->header.direction = DIR_OUT; ir->packet->header.cmd = enable ? CMD_RECEIVER_ON : CMD_RECEIVER_OFF; @@ -275,9 +282,7 @@ static int iguanair_receiver(struct iguanair *ir, bool enable) if (enable) ir_raw_event_reset(ir->rc); - rc = iguanair_send(ir, sizeof(ir->packet->header)); - - return rc; + return iguanair_send(ir, sizeof(ir->packet->header)); } /* @@ -425,8 +430,8 @@ static void iguanair_close(struct rc_dev *rdev) mutex_unlock(&ir->lock); } -static int __devinit iguanair_probe(struct usb_interface *intf, - const struct usb_device_id *id) +static int iguanair_probe(struct usb_interface *intf, + const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); struct iguanair *ir; @@ -512,6 +517,7 @@ static int __devinit iguanair_probe(struct usb_interface *intf, rc->rx_resolution = RX_RESOLUTION; iguanair_set_tx_carrier(rc, 38000); + iguanair_set_tx_mask(rc, 0); ret = rc_register_device(rc); if (ret < 0) { @@ -538,7 +544,7 @@ out: return ret; } -static void __devexit iguanair_disconnect(struct usb_interface *intf) +static void iguanair_disconnect(struct usb_interface *intf) { struct iguanair *ir = usb_get_intfdata(intf); @@ -604,7 +610,7 @@ static const struct usb_device_id iguanair_table[] = { static struct usb_driver iguanair_driver = { .name = DRIVER_NAME, .probe = iguanair_probe, - .disconnect = __devexit_p(iguanair_disconnect), + .disconnect = iguanair_disconnect, .suspend = iguanair_suspend, .resume = iguanair_resume, .reset_resume = iguanair_resume, |