Philipp Zabel e90460970f gpu: ipu-v3: Add ipu_idmac_get_current_buffer function
This function returns the currently active buffer (0 or 1)
of a double buffered IDMAC channel. It is to be used by the
CSI driver.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2014-06-04 11:07:11 +02:00
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