diff options
Diffstat (limited to 'drivers/media/rc')
| -rw-r--r-- | drivers/media/rc/redrat3.c | 53 |
1 files changed, 24 insertions, 29 deletions
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c index 1b37fe2779f8..842bdcded27c 100644 --- a/drivers/media/rc/redrat3.c +++ b/drivers/media/rc/redrat3.c @@ -209,9 +209,6 @@ struct redrat3_dev { u16 pktlen; u16 pkttype; u16 bytes_read; - /* indicate whether we are going to reprocess - * the USB callback with a bigger buffer */ - int buftoosmall; char *datap; u32 carrier; @@ -396,7 +393,6 @@ static u32 redrat3_us_to_len(u32 microsec) /* don't allow zero lengths to go back, breaks lirc */ return result ? result : 1; - } /* timer callback to send reset event */ @@ -515,8 +511,6 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3) rr3_dbg(dev, "calling ir_raw_event_handle\n"); ir_raw_event_handle(rr3->rc); - - return; } /* Util fn to send rr3 cmds */ @@ -613,7 +607,7 @@ static inline void redrat3_delete(struct redrat3_dev *rr3, static u32 redrat3_get_timeout(struct redrat3_dev *rr3) { - u32 *tmp; + __be32 *tmp; u32 timeout = MS_TO_US(150); /* a sane default, if things go haywire */ int len, ret, pipe; @@ -628,14 +622,16 @@ static u32 redrat3_get_timeout(struct redrat3_dev *rr3) ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, HZ * 5); - if (ret != len) { + if (ret != len) dev_warn(rr3->dev, "Failed to read timeout from hardware\n"); - return timeout; + else { + timeout = redrat3_len_to_us(be32_to_cpup(tmp)); + + rr3_dbg(rr3->dev, "Got timeout of %d ms\n", timeout / 1000); } - timeout = redrat3_len_to_us(be32_to_cpu(*tmp)); + kfree(tmp); - rr3_dbg(rr3->dev, "Got timeout of %d ms\n", timeout / 1000); return timeout; } @@ -755,7 +751,6 @@ static void redrat3_read_packet_start(struct redrat3_dev *rr3, int len) static void redrat3_read_packet_continue(struct redrat3_dev *rr3, int len) { - rr3_ftr(rr3->dev, "Entering %s\n", __func__); memcpy(rr3->datap, (unsigned char *)rr3->bulk_in_buf, len); @@ -815,7 +810,7 @@ out: } /* callback function from USB when async USB request has completed */ -static void redrat3_handle_async(struct urb *urb, struct pt_regs *regs) +static void redrat3_handle_async(struct urb *urb) { struct redrat3_dev *rr3; int ret; @@ -857,7 +852,7 @@ static void redrat3_handle_async(struct urb *urb, struct pt_regs *regs) } } -static void redrat3_write_bulk_callback(struct urb *urb, struct pt_regs *regs) +static void redrat3_write_bulk_callback(struct urb *urb) { struct redrat3_dev *rr3; int len; @@ -901,7 +896,7 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf, struct redrat3_dev *rr3 = rcdev->priv; struct device *dev = rr3->dev; struct redrat3_signal_header header; - int i, j, ret, ret_len, offset; + int i, ret, ret_len, offset; int lencheck, cur_sample_len, pipe; char *buffer = NULL, *sigdata = NULL; int *sample_lens = NULL; @@ -931,8 +926,19 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf, goto out; } + sigdata = kzalloc((count + RR3_TX_TRAILER_LEN), GFP_KERNEL); + if (!sigdata) { + ret = -ENOMEM; + goto out; + } + for (i = 0; i < count; i++) { cur_sample_len = redrat3_us_to_len(txbuf[i]); + if (cur_sample_len > 0xffff) { + dev_warn(dev, "transmit period of %uus truncated to %uus\n", + txbuf[i], redrat3_len_to_us(0xffff)); + cur_sample_len = 0xffff; + } for (lencheck = 0; lencheck < curlencheck; lencheck++) { if (sample_lens[lencheck] == cur_sample_len) break; @@ -950,22 +956,11 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf, break; } } - } - - sigdata = kzalloc((count + RR3_TX_TRAILER_LEN), GFP_KERNEL); - if (!sigdata) { - ret = -ENOMEM; - goto out; + sigdata[i] = lencheck; } sigdata[count] = RR3_END_OF_SIGNAL; sigdata[count + 1] = RR3_END_OF_SIGNAL; - for (i = 0; i < count; i++) { - for (j = 0; j < curlencheck; j++) { - if (sample_lens[j] == redrat3_us_to_len(txbuf[i])) - sigdata[i] = j; - } - } offset = RR3_TX_HEADER_OFFSET; sendbuf_len = RR3_HEADER_LENGTH + (sizeof(u16) * RR3_DRIVER_MAXLENS) @@ -1175,7 +1170,7 @@ static int redrat3_dev_probe(struct usb_interface *intf, pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress); usb_fill_bulk_urb(rr3->read_urb, udev, pipe, rr3->bulk_in_buf, ep_in->wMaxPacketSize, - (usb_complete_t)redrat3_handle_async, rr3); + redrat3_handle_async, rr3); /* set up bulk-out endpoint*/ rr3->write_urb = usb_alloc_urb(0, GFP_KERNEL); @@ -1195,7 +1190,7 @@ static int redrat3_dev_probe(struct usb_interface *intf, pipe = usb_sndbulkpipe(udev, ep_out->bEndpointAddress); usb_fill_bulk_urb(rr3->write_urb, udev, pipe, rr3->bulk_out_buf, ep_out->wMaxPacketSize, - (usb_complete_t)redrat3_write_bulk_callback, rr3); + redrat3_write_bulk_callback, rr3); rr3->udev = udev; |