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Commit 2c0a072e authored by Magnus Damm's avatar Magnus Damm Committed by Mauro Carvalho Chehab
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V4L/DVB (9243): video: add byte swap to sh_mobile_ceu driver 



Extend the sh_mobile_ceu driver to enable byte swap. This way bytes
are stored in memory in incoming byte order.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent dd54203b

drivers/media/video/sh_mobile_ceu_camera.c

+3 −3
Original line number Original line Diff line number Diff line
@@ -401,10 +401,10 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd, 
	 * D7, D6, D5, D4, D3, D2, D1, D0 (D7 written to lowest byte)

	 * D7, D6, D5, D4, D3, D2, D1, D0 (D7 written to lowest byte)

	 *

	 *

	 * The lowest three bits of CDOCR allows us to do swapping,

	 * The lowest three bits of CDOCR allows us to do swapping,

	 * right now we swap the data bytes to the following order:

	 * using 7 we swap the data bytes to match the incoming order:

	 * D1, D0, D3, D2, D5, D4, D7, D6

	 * D0, D1, D2, D3, D4, D5, D6, D7

	 */

	 */

	ceu_write(pcdev, CDOCR, 0x00000016);

	ceu_write(pcdev, CDOCR, 0x00000017);





	ceu_write(pcdev, CDWDR, cdwdr_width);

	ceu_write(pcdev, CDWDR, cdwdr_width);

	ceu_write(pcdev, CFWCR, 0); /* keep "datafetch firewall" disabled */

	ceu_write(pcdev, CFWCR, 0); /* keep "datafetch firewall" disabled */