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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: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Magnus Damm 2008-10-16 19:50:56 -03:00 committed by Mauro Carvalho Chehab
parent dd54203b48
commit 2c0a072e3e
1 changed files with 3 additions and 3 deletions
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6
drivers/media/video/sh_mobile_ceu_camera.c
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@ -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 */