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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-05-09 09:55:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-05-24 09:25:15 -0300 |
| commit | 0bc77f3f06fcf2ca7b7fad782d70926cd4d235f1 (patch) | |
| tree | ce2f3b978aa3a55ff5de2a92f30be21b4b23a8ec /drivers/media/video/mt9t001.c | |
| parent | 71006fb22b0f5a2045605b3887ee99a0e9adafe4 (diff) | |
| download | linux-0bc77f3f06fcf2ca7b7fad782d70926cd4d235f1.tar.gz | |
[media] mt9t001: Implement V4L2_CID_PIXEL_RATE control
The pixel rate control is required by the OMAP3 ISP driver and should be implemented by all media controller-compatible sensor drivers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/mt9t001.c')
| -rw-r--r-- | drivers/media/video/mt9t001.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/media/video/mt9t001.c b/drivers/media/video/mt9t001.c index 49ca3cbfc6f1..6d343adf891d 100644 --- a/drivers/media/video/mt9t001.c +++ b/drivers/media/video/mt9t001.c @@ -691,7 +691,7 @@ static int mt9t001_video_probe(struct i2c_client *client) return ret; /* Configure the pixel clock polarity */ - if (pdata && pdata->clk_pol) { + if (pdata->clk_pol) { ret = mt9t001_write(client, MT9T001_PIXEL_CLOCK, MT9T001_PIXEL_CLOCK_INVERT); if (ret < 0) @@ -715,10 +715,16 @@ static int mt9t001_video_probe(struct i2c_client *client) static int mt9t001_probe(struct i2c_client *client, const struct i2c_device_id *did) { + struct mt9t001_platform_data *pdata = client->dev.platform_data; struct mt9t001 *mt9t001; unsigned int i; int ret; + if (pdata == NULL) { + dev_err(&client->dev, "No platform data\n"); + return -EINVAL; + } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) { dev_warn(&client->adapter->dev, @@ -735,7 +741,7 @@ static int mt9t001_probe(struct i2c_client *client, return -ENOMEM; v4l2_ctrl_handler_init(&mt9t001->ctrls, ARRAY_SIZE(mt9t001_ctrls) + - ARRAY_SIZE(mt9t001_gains) + 2); + ARRAY_SIZE(mt9t001_gains) + 3); v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops, V4L2_CID_EXPOSURE, MT9T001_SHUTTER_WIDTH_MIN, @@ -743,6 +749,9 @@ static int mt9t001_probe(struct i2c_client *client, MT9T001_SHUTTER_WIDTH_DEF); v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops, V4L2_CID_BLACK_LEVEL, 1, 1, 1, 1); + v4l2_ctrl_new_std(&mt9t001->ctrls, &mt9t001_ctrl_ops, + V4L2_CID_PIXEL_RATE, pdata->ext_clk, pdata->ext_clk, + 1, pdata->ext_clk); for (i = 0; i < ARRAY_SIZE(mt9t001_ctrls); ++i) v4l2_ctrl_new_custom(&mt9t001->ctrls, &mt9t001_ctrls[i], NULL); |