[#6494] usb camera can't use on bf548(2011)

[#6494] usb camera can't use on bf548

Submitted By: Bob Liu

Open Date

2011-02-24 05:54:13

Priority:

Medium Assignee:

Bob Liu

Status:

Open Fixed In Release:

N/A

Found In Release:

2010R1 Release:

2010r1

Category:

N/A Board:

N/A

Processor:

BF548 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc 2010r1

App binary format:

N/A

Summary: usb camera can't use on bf548

Details:

root:/> luvcview -f yuv -s 320x240 -i 30

luvcview 0.2.4

SDL information:

Video driver: fbcon

Hardware surfaces are available (382k video memory)

Device information:

Device path: /dev/video0

Stream settings:

Frame format: YUYV

Frame size: 320x240

Frame rate: 30 fps

Unable to map buffer: Invalid argument

Init v4L2 failed !! exit fatal

root:/>

Follow-ups

--- Bob Liu 2011-03-01 04:58:10

nommu.c: do_mmap_pgoff() will call f_op->read(), but uvc driver doesn't

support read function, so it always return Invalid argument.

--- Bob Liu 2011-03-09 05:20:38

fixed by commit 9703

Files

Changes

Commits

Dependencies

Duplicates

Associations