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[media] V4L: mt9m111: fix pixel clock

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This camera driver supports only rising edge, which is the default
setting of the device. The function mt9m111_setup_pixfmt() overwrites
this setting. So the driver actually uses falling edge.
This patch corrects that.

Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
[g.liakhovetski@gmx.de: removed superfluous register write]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Teresa Gámez <t.gamez@phytec.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Teresa Gámez 2011-05-18 10:41:45 -03:00 committed by Mauro Carvalho Chehab
parent a1de7a00ae
commit 4bc90dea7b
1 changed files with 12 additions and 2 deletions
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14
drivers/media/video/mt9m111.c
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@ -315,10 +315,20 @@ static int mt9m111_setup_rect(struct i2c_client *client,
static int mt9m111_setup_pixfmt(struct i2c_client *client, u16 outfmt)
{
int ret;
u16 mask = MT9M111_OUTFMT_PROCESSED_BAYER | MT9M111_OUTFMT_RGB |
MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_SWAP_RGB_EVEN |
MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 |
MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr |
MT9M111_OUTFMT_SWAP_YCbCr_C_Y;
ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt);
ret = reg_read(OUTPUT_FORMAT_CTRL2_A);
if (ret >= 0)
ret = reg_write(OUTPUT_FORMAT_CTRL2_A, (ret & ~mask) | outfmt);
if (!ret)
ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt);
ret = reg_read(OUTPUT_FORMAT_CTRL2_B);
if (ret >= 0)
ret = reg_write(OUTPUT_FORMAT_CTRL2_B, (ret & ~mask) | outfmt);
return ret;
}