Commit c0c72036 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] msi3101: correct max videobuf2 alloc 



There was too small buffers requested in worst case.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 4964c9c8

drivers/staging/media/msi3101/sdr-msi3101.c

+7 −1
Original line number Diff line number Diff line
@@ -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;

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