diff options
Diffstat (limited to 'drivers/media/i2c/imx290.c')
| -rw-r--r-- | drivers/media/i2c/imx290.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 458905dfb3e1..f5ee6bd3b52d 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -24,7 +24,6 @@ #include <media/v4l2-cci.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> -#include <media/v4l2-event.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> @@ -78,7 +77,6 @@ #define IMX290_ADBIT2 CCI_REG8(0x317c) #define IMX290_ADBIT2_10BIT 0x12 #define IMX290_ADBIT2_12BIT 0x00 -#define IMX290_CHIP_ID CCI_REG16_LE(0x319a) #define IMX290_ADBIT3 CCI_REG8(0x31ec) #define IMX290_ADBIT3_10BIT 0x37 #define IMX290_ADBIT3_12BIT 0x0e @@ -1211,11 +1209,6 @@ static int imx290_entity_init_state(struct v4l2_subdev *subdev, return 0; } -static const struct v4l2_subdev_core_ops imx290_core_ops = { - .subscribe_event = v4l2_ctrl_subdev_subscribe_event, - .unsubscribe_event = v4l2_event_subdev_unsubscribe, -}; - static const struct v4l2_subdev_video_ops imx290_video_ops = { .s_stream = imx290_set_stream, }; @@ -1229,7 +1222,6 @@ static const struct v4l2_subdev_pad_ops imx290_pad_ops = { }; static const struct v4l2_subdev_ops imx290_subdev_ops = { - .core = &imx290_core_ops, .video = &imx290_video_ops, .pad = &imx290_pad_ops, }; @@ -1250,11 +1242,20 @@ static int imx290_subdev_init(struct imx290 *imx290) imx290->current_mode = &imx290_modes_ptr(imx290)[0]; + /* + * After linking the subdev with the imx290 instance, we are allowed to + * use the pm_runtime functions. Decrease the PM usage count. The device + * will get suspended after the autosuspend delay, turning the power + * off. However, the communication happening in imx290_ctrl_update() + * will already be prevented even before the delay. + */ v4l2_i2c_subdev_init(&imx290->sd, client, &imx290_subdev_ops); - imx290->sd.internal_ops = &imx290_internal_ops; - imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | - V4L2_SUBDEV_FL_HAS_EVENTS; imx290->sd.dev = imx290->dev; + pm_runtime_mark_last_busy(imx290->dev); + pm_runtime_put_autosuspend(imx290->dev); + + imx290->sd.internal_ops = &imx290_internal_ops; + imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; imx290->sd.entity.ops = &imx290_subdev_entity_ops; imx290->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; @@ -1580,6 +1581,16 @@ static int imx290_probe(struct i2c_client *client) pm_runtime_set_autosuspend_delay(dev, 1000); pm_runtime_use_autosuspend(dev); + /* + * Make sure the sensor is available, in STANDBY and not streaming + * before the V4L2 subdev is initialized. + */ + ret = imx290_stop_streaming(imx290); + if (ret) { + ret = dev_err_probe(dev, ret, "Could not initialize device\n"); + goto err_pm; + } + /* Initialize the V4L2 subdev. */ ret = imx290_subdev_init(imx290); if (ret) @@ -1599,13 +1610,6 @@ static int imx290_probe(struct i2c_client *client) goto err_subdev; } - /* - * Decrease the PM usage count. The device will get suspended after the - * autosuspend delay, turning the power off. - */ - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - return 0; err_subdev: |