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: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 7a7268c..fa88d38 100644 (file)
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -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)
         *
         * The lowest three bits of CDOCR allows us to do swapping,
-        * right now we swap the data bytes to the following order:
-        * D1, D0, D3, D2, D5, D4, D7, D6
+        * using 7 we swap the data bytes to match the incoming order:
+        * 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, CFWCR, 0); /* keep "datafetch firewall" disabled */