[pwc] why cann't I change the palette property by V4L on a pwc driver?

[沈 方 <>]

Hello,everybody. Recently I taked part in a project which required to get
video from Logitec Pro4000 web camera on Linux platform. I finished it
successfully by using V4L API.However, when I try to change the palette
property from YUV420 to RGB24, the VIDIOCSWIN ioctl return -1.I checked my
program and find nothing wrong. I used pwc-9.0.2 as my web camera driver.
Does it mean that the drive don't support changing property? Or should I do
some thing before change the palette property to let it take effect?

It is my great pleasure to hear from you.

Jules Shen

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