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[media] mt9v011: add media controller support 

Create a source pad and set the media controller type to the sensor.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
steinar/wifi_calib_4_9_kernel
Mauro Carvalho Chehab 2016-01-29 14:33:12 -02:00
parent 0962a76332
commit ac88fce987
1 changed files with 15 additions and 0 deletions
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15
drivers/media/i2c/mt9v011.c
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@ -50,6 +50,9 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
struct mt9v011 {
struct v4l2_subdev sd;
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_pad pad;
#endif
struct v4l2_ctrl_handler ctrls;
unsigned width, height;
unsigned xtal;
@ -493,6 +496,9 @@ static int mt9v011_probe(struct i2c_client *c,
u16 version;
struct mt9v011 *core;
struct v4l2_subdev *sd;
#ifdef CONFIG_MEDIA_CONTROLLER
int ret;
#endif
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(c->adapter,
@ -506,6 +512,15 @@ static int mt9v011_probe(struct i2c_client *c,
sd = &core->sd;
v4l2_i2c_subdev_init(sd, c, &mt9v011_ops);
#ifdef CONFIG_MEDIA_CONTROLLER
core->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, 1, &core->pad);
if (ret < 0)
return ret;
#endif
/* Check if the sensor is really a MT9V011 */
version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);
if ((version != MT9V011_VERSION) &&