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Commit 0bc77f3f authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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[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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 71006fb2

drivers/media/video/mt9t001.c

+11 −2
Original line number Diff line number Diff line
@@ -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);

include/media/mt9t001.h

+1 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 


struct mt9t001_platform_data {

	unsigned int clk_pol:1;

	unsigned int ext_clk;

};



#endif