diff options
| author | Antti Palosaari <crope@iki.fi> | 2013-09-15 13:21:20 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-09-24 13:30:35 -0300 |
| commit | c0c7203640ffed8837fc4484795760eb19814ce8 (patch) | |
| tree | eea50dda9775a08e8faa4add3ed2b1fef859086e /drivers/staging/media/msi3101 | |
| parent | 4964c9c82878c492f42d5763ec8e98766717a980 (diff) | |
[media] msi3101: correct max videobuf2 alloc
There was too small buffers requested in worst case.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/staging/media/msi3101')
| -rw-r--r-- | drivers/staging/media/msi3101/sdr-msi3101.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/staging/media/msi3101/sdr-msi3101.c b/drivers/staging/media/msi3101/sdr-msi3101.c index 7715c85064d7..4c3bf776bb20 100644 --- a/drivers/staging/media/msi3101/sdr-msi3101.c +++ b/drivers/staging/media/msi3101/sdr-msi3101.c @@ -1131,7 +1131,13 @@ static int msi3101_queue_setup(struct vb2_queue *vq, /* Absolute min and max number of buffers available for mmap() */ *nbuffers = 32; *nplanes = 1; - sizes[0] = PAGE_ALIGN(3 * 3072); /* 3 * 768 * 4 */ + /* + * 3, wMaxPacketSize 3x 1024 bytes + * 504, max IQ sample pairs per 1024 frame + * 2, two samples, I and Q + * 4, 32-bit float + */ + sizes[0] = PAGE_ALIGN(3 * 504 * 2 * 4); /* = 12096 */ dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n", __func__, *nbuffers, sizes[0]); return 0; |