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[media] mt9m032: Implement V4L2_CID_PIXEL_RATE control

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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>
This commit is contained in:
Laurent Pinchart 2012-05-09 09:55:59 -03:00 committed by Mauro Carvalho Chehab
parent 8d690c4a4e
commit 5472d3f178
1 changed files with 11 additions and 2 deletions
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13
drivers/media/video/mt9m032.c
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@ -688,11 +688,17 @@ static const struct v4l2_subdev_ops mt9m032_ops = {
static int mt9m032_probe(struct i2c_client *client,
const struct i2c_device_id *devid)
{
struct mt9m032_platform_data *pdata = client->dev.platform_data;
struct i2c_adapter *adapter = client->adapter;
struct mt9m032 *sensor;
int chip_version;
int ret;
if (pdata == NULL) {
dev_err(&client->dev, "No platform data\n");
return -EINVAL;
}
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
dev_warn(&client->dev,
"I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
@ -708,7 +714,7 @@ static int mt9m032_probe(struct i2c_client *client,
mutex_init(&sensor->lock);
sensor->pdata = client->dev.platform_data;
sensor->pdata = pdata;
v4l2_i2c_subdev_init(&sensor->subdev, client, &mt9m032_ops);
sensor->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
@ -738,7 +744,7 @@ static int mt9m032_probe(struct i2c_client *client,
sensor->format.field = V4L2_FIELD_NONE;
sensor->format.colorspace = V4L2_COLORSPACE_SRGB;
v4l2_ctrl_handler_init(&sensor->ctrls, 4);
v4l2_ctrl_handler_init(&sensor->ctrls, 5);
v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops,
V4L2_CID_GAIN, 0, 127, 1, 64);
@ -754,6 +760,9 @@ static int mt9m032_probe(struct i2c_client *client,
V4L2_CID_EXPOSURE, MT9M032_SHUTTER_WIDTH_MIN,
MT9M032_SHUTTER_WIDTH_MAX, 1,
MT9M032_SHUTTER_WIDTH_DEF);
v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops,
V4L2_CID_PIXEL_RATE, pdata->pix_clock,
pdata->pix_clock, 1, pdata->pix_clock);
if (sensor->ctrls.error) {
ret = sensor->ctrls.error;