From 5472d3f17845c4398c6a510b46855820920c2181 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 9 May 2012 09:55:59 -0300 Subject: [PATCH] [media] mt9m032: 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 Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mt9m032.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/mt9m032.c b/drivers/media/video/mt9m032.c index 3c1e626139b..445359c9611 100644 --- a/drivers/media/video/mt9m032.c +++ b/drivers/media/video/mt9m032.c @@ -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; -- 2.41.0