diff options
| author | tvboxspy <tvboxspy@gmail.com> | 2011-09-12 00:26:50 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-21 21:55:17 +0200 |
| commit | 95c21c4158cc8b5a2920ccbe989b17b6f955d976 (patch) | |
| tree | 19c0c9f8098bfefe3a79bfbdff951892753175cc /drivers/media/dvb | |
| parent | [media] v4l2: uvcvideo use after free bug fix (diff) | |
| download | linux-95c21c4158cc8b5a2920ccbe989b17b6f955d976.tar.xz linux-95c21c4158cc8b5a2920ccbe989b17b6f955d976.zip | |
[media] [1/2,ver,1.89] DM04/QQBOX Interupt Urb and Timing changes
Reduce buffer size of Interupt urb to 128 bytes and polling
interval to 8.
The devices buffer appears to only handle a maxium of 40 bytes.
If the buffer is full a slowing effect is noticed causing occasionnal
dropped streaming packets.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/lmedm04.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c index 55b25be072ee..5fdeed1d3c61 100644 --- a/drivers/media/dvb/dvb-usb/lmedm04.c +++ b/drivers/media/dvb/dvb-usb/lmedm04.c @@ -333,7 +333,7 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap) if (lme_int->lme_urb == NULL) return -ENOMEM; - lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 5000, GFP_ATOMIC, + lme_int->buffer = usb_alloc_coherent(adap->dev->udev, 128, GFP_ATOMIC, &lme_int->lme_urb->transfer_dma); if (lme_int->buffer == NULL) @@ -343,10 +343,10 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap) adap->dev->udev, usb_rcvintpipe(adap->dev->udev, 0xa), lme_int->buffer, - 4096, + 128, lme2510_int_response, adap, - 11); + 8); lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; @@ -1261,7 +1261,7 @@ static void *lme2510_exit_int(struct dvb_usb_device *d) if (st->lme_urb != NULL) { usb_kill_urb(st->lme_urb); - usb_free_coherent(d->udev, 5000, st->buffer, + usb_free_coherent(d->udev, 128, st->buffer, st->lme_urb->transfer_dma); info("Interrupt Service Stopped"); } @@ -1312,5 +1312,5 @@ module_exit(lme2510_module_exit); MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>"); MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0"); -MODULE_VERSION("1.88"); +MODULE_VERSION("1.89"); MODULE_LICENSE("GPL"); |