From: Magnus Damm <magnus.damm@gmail.com>
To: video4linux-list@redhat.com
Cc: v4l-dvb-maintainer@linuxtv.org, mchehab@infradead.org
Subject: [PATCH] video: add byte swap to sh_mobile_ceu driver
Date: Tue, 14 Oct 2008 22:00:33 +0900 [thread overview]
Message-ID: <20081014130033.5242.16772.sendpatchset@rx1.opensource.se> (raw)
From: Magnus Damm <damm@igel.co.jp>
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>
---
drivers/media/video/sh_mobile_ceu_camera.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- 0021/drivers/media/video/sh_mobile_ceu_camera.c
+++ work/drivers/media/video/sh_mobile_ceu_camera.c 2008-10-14 15:46:26.000000000 +0900
@@ -406,10 +406,10 @@ static int sh_mobile_ceu_set_bus_param(s
* 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 */
--
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reply other threads:[~2008-10-14 13:01 UTC|newest]
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