diff options
Diffstat (limited to 'drivers/staging/media')
-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 7715c85064d..4c3bf776bb2 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; |