Alpha channel in simple framebuffer

[isaac rajakumar]

Hi,
          I using the simpleframebuffer driver from linux as a display
framework in my Xserver.
My simpleframebuffer is supposed to write the data in ARGB format.

While running the xserver I notice only the RGB value is reaching the
memory.
I suspect that Xserver is not forwarding 4bytes data to the framebuffer.
How to get all the 4 bytes transferred to the frambuffer.

Regards
Isaac
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