diff options
| author | Teresa Gámez <t.gamez@phytec.de> | 2011-05-18 15:41:45 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-20 17:07:12 +0200 |
| commit | 4bc90dea7be181cd876500b1d766faaa77c3d493 (patch) | |
| tree | ad857a7057d33f673e645866f61eea97bacf6083 /drivers/media/video/mt9m111.c | |
| parent | [media] V4L: mt9v022: fix pixel clock (diff) | |
| download | linux-4bc90dea7be181cd876500b1d766faaa77c3d493.tar.xz linux-4bc90dea7be181cd876500b1d766faaa77c3d493.zip | |
[media] V4L: mt9m111: fix pixel clock
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>
Diffstat (limited to 'drivers/media/video/mt9m111.c')
| -rw-r--r-- | drivers/media/video/mt9m111.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index 53fa2a7bf156..ebebed929627 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -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; } |