video: add VPL ioctl to get bus format
The i.MX specific DI_MODE VPL ioctl already allows to query the encoder
input bus format. This patch also allows non-i.MX specific encoder drivers
to report their input bus format.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 1be6d32 commit da03ce9c18fca87ae2f443202d70bb42cab6a222
@Philipp Zabel Philipp Zabel authored on 24 Aug 2016
Sascha Hauer committed on 25 Aug 2016
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drivers/video/imx-ipu-v3/ipufb.c
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include/video/vpl.h