diff --git a/drivers/media/i2c/soc_camera/imx074.c b/drivers/media/i2c/soc_camera/imx074.c index 351e9bafe8fe815daa8a5f6f6479adac65cb7581..ade19873ed83e74577db5d9b144e7f6ebb9ddfa6 100644 --- a/drivers/media/i2c/soc_camera/imx074.c +++ b/drivers/media/i2c/soc_camera/imx074.c @@ -268,6 +268,14 @@ static int imx074_g_chip_ident(struct v4l2_subdev *sd, return 0; } +static int imx074_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static int imx074_g_mbus_config(struct v4l2_subdev *sd, struct v4l2_mbus_config *cfg) { @@ -292,6 +300,7 @@ static struct v4l2_subdev_video_ops imx074_subdev_video_ops = { static struct v4l2_subdev_core_ops imx074_subdev_core_ops = { .g_chip_ident = imx074_g_chip_ident, + .s_power = imx074_s_power, }; static struct v4l2_subdev_ops imx074_subdev_ops = { diff --git a/drivers/media/i2c/soc_camera/mt9m001.c b/drivers/media/i2c/soc_camera/mt9m001.c index 00583f5fd26bbc26c6dcd9861ff4fcf774118597..cd71230c51a9cc999ee494a1974c53aa113afe51 100644 --- a/drivers/media/i2c/soc_camera/mt9m001.c +++ b/drivers/media/i2c/soc_camera/mt9m001.c @@ -377,6 +377,14 @@ static int mt9m001_s_register(struct v4l2_subdev *sd, } #endif +static int mt9m001_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static int mt9m001_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct mt9m001 *mt9m001 = container_of(ctrl->handler, @@ -566,6 +574,7 @@ static struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = { .g_register = mt9m001_g_register, .s_register = mt9m001_s_register, #endif + .s_power = mt9m001_s_power, }; static int mt9m001_enum_fmt(struct v4l2_subdev *sd, unsigned int index, diff --git a/drivers/media/i2c/soc_camera/mt9m111.c b/drivers/media/i2c/soc_camera/mt9m111.c index 863d722dda06ebf25440c0f2fbb491c7eb3d2ce9..e555f77396913d91d883d27ae3633df81d8b9659 100644 --- a/drivers/media/i2c/soc_camera/mt9m111.c +++ b/drivers/media/i2c/soc_camera/mt9m111.c @@ -831,10 +831,37 @@ static int mt9m111_video_probe(struct i2c_client *client) return v4l2_ctrl_handler_setup(&mt9m111->hdl); } +static int mt9m111_power_on(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + int ret; + + ret = soc_camera_power_on(&client->dev, icl); + if (ret < 0) + return ret; + + ret = mt9m111_resume(mt9m111); + if (ret < 0) { + dev_err(&client->dev, "Failed to resume the sensor: %d\n", ret); + soc_camera_power_off(&client->dev, icl); + } + + return ret; +} + +static void mt9m111_power_off(struct mt9m111 *mt9m111) +{ + struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + mt9m111_suspend(mt9m111); + soc_camera_power_off(&client->dev, icl); +} + static int mt9m111_s_power(struct v4l2_subdev *sd, int on) { struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev); - struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = 0; mutex_lock(&mt9m111->power_lock); @@ -844,23 +871,18 @@ static int mt9m111_s_power(struct v4l2_subdev *sd, int on) * update the power state. */ if (mt9m111->power_count == !on) { - if (on) { - ret = mt9m111_resume(mt9m111); - if (ret) { - dev_err(&client->dev, - "Failed to resume the sensor: %d\n", ret); - goto out; - } - } else { - mt9m111_suspend(mt9m111); - } + if (on) + ret = mt9m111_power_on(mt9m111); + else + mt9m111_power_off(mt9m111); } - /* Update the power count. */ - mt9m111->power_count += on ? 1 : -1; - WARN_ON(mt9m111->power_count < 0); + if (!ret) { + /* Update the power count. */ + mt9m111->power_count += on ? 1 : -1; + WARN_ON(mt9m111->power_count < 0); + } -out: mutex_unlock(&mt9m111->power_lock); return ret; } diff --git a/drivers/media/i2c/soc_camera/mt9t031.c b/drivers/media/i2c/soc_camera/mt9t031.c index 1415074138a5409b69a9236d7416f501442d521f..9666e202e3953a44bb94cd268ca6fb8a1b8a9a44 100644 --- a/drivers/media/i2c/soc_camera/mt9t031.c +++ b/drivers/media/i2c/soc_camera/mt9t031.c @@ -616,12 +616,19 @@ static struct device_type mt9t031_dev_type = { static int mt9t031_s_power(struct v4l2_subdev *sd, int on) { struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); struct video_device *vdev = soc_camera_i2c_to_vdev(client); + int ret; - if (on) + if (on) { + ret = soc_camera_power_on(&client->dev, icl); + if (ret < 0) + return ret; vdev->dev.type = &mt9t031_dev_type; - else + } else { vdev->dev.type = NULL; + soc_camera_power_off(&client->dev, icl); + } return 0; } diff --git a/drivers/media/i2c/soc_camera/mt9t112.c b/drivers/media/i2c/soc_camera/mt9t112.c index e1ae46a7ee96e81f9a4da20bf7c5dc2267c0585b..624ceec44e18e580afc61a0c3d30463373d01701 100644 --- a/drivers/media/i2c/soc_camera/mt9t112.c +++ b/drivers/media/i2c/soc_camera/mt9t112.c @@ -776,12 +776,21 @@ static int mt9t112_s_register(struct v4l2_subdev *sd, } #endif +static int mt9t112_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static struct v4l2_subdev_core_ops mt9t112_subdev_core_ops = { .g_chip_ident = mt9t112_g_chip_ident, #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = mt9t112_g_register, .s_register = mt9t112_s_register, #endif + .s_power = mt9t112_s_power, }; diff --git a/drivers/media/i2c/soc_camera/mt9v022.c b/drivers/media/i2c/soc_camera/mt9v022.c index 72479247522a8fe923235a88b342145ed0d39cf3..5f09cb702bf7ce325e8746f7e2ac08bb232afd7d 100644 --- a/drivers/media/i2c/soc_camera/mt9v022.c +++ b/drivers/media/i2c/soc_camera/mt9v022.c @@ -445,6 +445,14 @@ static int mt9v022_s_register(struct v4l2_subdev *sd, } #endif +static int mt9v022_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static int mt9v022_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct mt9v022 *mt9v022 = container_of(ctrl->handler, @@ -664,6 +672,7 @@ static struct v4l2_subdev_core_ops mt9v022_subdev_core_ops = { .g_register = mt9v022_g_register, .s_register = mt9v022_s_register, #endif + .s_power = mt9v022_s_power, }; static int mt9v022_enum_fmt(struct v4l2_subdev *sd, unsigned int index, diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c index 7c44d1fe3c87a8224823e2357c297abfa5b43968..16ed091c702de163f8510811b84cc55eb8373274 100644 --- a/drivers/media/i2c/soc_camera/ov2640.c +++ b/drivers/media/i2c/soc_camera/ov2640.c @@ -742,6 +742,14 @@ static int ov2640_s_register(struct v4l2_subdev *sd, } #endif +static int ov2640_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + /* Select the nearest higher resolution for capture */ static const struct ov2640_win_size *ov2640_select_win(u32 *width, u32 *height) { @@ -988,6 +996,7 @@ static struct v4l2_subdev_core_ops ov2640_subdev_core_ops = { .g_register = ov2640_g_register, .s_register = ov2640_s_register, #endif + .s_power = ov2640_s_power, }; static int ov2640_g_mbus_config(struct v4l2_subdev *sd, diff --git a/drivers/media/i2c/soc_camera/ov5642.c b/drivers/media/i2c/soc_camera/ov5642.c index 0bc93313d37ad1036da74be56a655dd9bbe880ae..61824c6911d5d61f6469fc7749c3b1b026cafb75 100644 --- a/drivers/media/i2c/soc_camera/ov5642.c +++ b/drivers/media/i2c/soc_camera/ov5642.c @@ -933,13 +933,17 @@ static int ov5642_g_mbus_config(struct v4l2_subdev *sd, static int ov5642_s_power(struct v4l2_subdev *sd, int on) { - struct i2c_client *client; + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); int ret; if (!on) - return 0; + return soc_camera_power_off(&client->dev, icl); + + ret = soc_camera_power_on(&client->dev, icl); + if (ret < 0) + return ret; - client = v4l2_get_subdevdata(sd); ret = ov5642_write_array(client, ov5642_default_regs_init); if (!ret) ret = ov5642_set_resolution(sd); diff --git a/drivers/media/i2c/soc_camera/ov6650.c b/drivers/media/i2c/soc_camera/ov6650.c index 3e028b1970dd4124412b6b844f07bf0d61222637..12d57a5dd8102f51445c103db97958d9e61ae1e7 100644 --- a/drivers/media/i2c/soc_camera/ov6650.c +++ b/drivers/media/i2c/soc_camera/ov6650.c @@ -432,6 +432,14 @@ static int ov6650_set_register(struct v4l2_subdev *sd, } #endif +static int ov6650_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static int ov6650_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -866,6 +874,7 @@ static struct v4l2_subdev_core_ops ov6650_core_ops = { .g_register = ov6650_get_register, .s_register = ov6650_set_register, #endif + .s_power = ov6650_s_power, }; /* Request bus settings on camera side */ diff --git a/drivers/media/i2c/soc_camera/ov772x.c b/drivers/media/i2c/soc_camera/ov772x.c index 6d79b89b860340dddaf2ae0c1f64f3d121ee1f2d..a022662da98a9f407b9075d30a89557d3ddfb1c3 100644 --- a/drivers/media/i2c/soc_camera/ov772x.c +++ b/drivers/media/i2c/soc_camera/ov772x.c @@ -683,6 +683,14 @@ static int ov772x_s_register(struct v4l2_subdev *sd, } #endif +static int ov772x_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static const struct ov772x_win_size *ov772x_select_win(u32 width, u32 height) { __u32 diff; @@ -996,6 +1004,7 @@ static struct v4l2_subdev_core_ops ov772x_subdev_core_ops = { .g_register = ov772x_g_register, .s_register = ov772x_s_register, #endif + .s_power = ov772x_s_power, }; static int ov772x_enum_fmt(struct v4l2_subdev *sd, unsigned int index, diff --git a/drivers/media/i2c/soc_camera/ov9640.c b/drivers/media/i2c/soc_camera/ov9640.c index 9ed4ba4236c47e4adf9920e7a88f974b513f3fc0..53156ef1ec0c60741a892e7e9631d03b68630115 100644 --- a/drivers/media/i2c/soc_camera/ov9640.c +++ b/drivers/media/i2c/soc_camera/ov9640.c @@ -333,6 +333,14 @@ static int ov9640_set_register(struct v4l2_subdev *sd, } #endif +static int ov9640_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + /* select nearest higher resolution for capture */ static void ov9640_res_roundup(u32 *width, u32 *height) { @@ -632,7 +640,7 @@ static struct v4l2_subdev_core_ops ov9640_core_ops = { .g_register = ov9640_get_register, .s_register = ov9640_set_register, #endif - + .s_power = ov9640_s_power, }; /* Request bus settings on camera side */ diff --git a/drivers/media/i2c/soc_camera/ov9740.c b/drivers/media/i2c/soc_camera/ov9740.c index 3eb07c22516e6b9b46e8e2d3257f58f5532436f0..10c0ba9f5bcdbba63a329117a07d5b5cdd736105 100644 --- a/drivers/media/i2c/soc_camera/ov9740.c +++ b/drivers/media/i2c/soc_camera/ov9740.c @@ -786,17 +786,27 @@ static int ov9740_g_chip_ident(struct v4l2_subdev *sd, static int ov9740_s_power(struct v4l2_subdev *sd, int on) { + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); struct ov9740_priv *priv = to_ov9740(sd); - - if (!priv->current_enable) - return 0; + int ret; if (on) { - ov9740_s_fmt(sd, &priv->current_mf); - ov9740_s_stream(sd, priv->current_enable); + ret = soc_camera_power_on(&client->dev, icl); + if (ret < 0) + return ret; + + if (priv->current_enable) { + ov9740_s_fmt(sd, &priv->current_mf); + ov9740_s_stream(sd, 1); + } } else { - ov9740_s_stream(sd, 0); - priv->current_enable = true; + if (priv->current_enable) { + ov9740_s_stream(sd, 0); + priv->current_enable = true; + } + + soc_camera_power_off(&client->dev, icl); } return 0; diff --git a/drivers/media/i2c/soc_camera/rj54n1cb0c.c b/drivers/media/i2c/soc_camera/rj54n1cb0c.c index f6419b22c258061bb6eeb10a8f3593ebab677d06..ca1cee7c66cb23adc663908ef5604434a0b5cc19 100644 --- a/drivers/media/i2c/soc_camera/rj54n1cb0c.c +++ b/drivers/media/i2c/soc_camera/rj54n1cb0c.c @@ -1180,6 +1180,14 @@ static int rj54n1_s_register(struct v4l2_subdev *sd, } #endif +static int rj54n1_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static int rj54n1_s_ctrl(struct v4l2_ctrl *ctrl) { struct rj54n1 *rj54n1 = container_of(ctrl->handler, struct rj54n1, hdl); @@ -1230,6 +1238,7 @@ static struct v4l2_subdev_core_ops rj54n1_subdev_core_ops = { .g_register = rj54n1_g_register, .s_register = rj54n1_s_register, #endif + .s_power = rj54n1_s_power, }; static int rj54n1_g_mbus_config(struct v4l2_subdev *sd, diff --git a/drivers/media/i2c/soc_camera/tw9910.c b/drivers/media/i2c/soc_camera/tw9910.c index 9f53eacb66e3cd89a75f14ec08b0ced3ea752385..f283650518788b32d569b8edd47d0765dd127d82 100644 --- a/drivers/media/i2c/soc_camera/tw9910.c +++ b/drivers/media/i2c/soc_camera/tw9910.c @@ -566,6 +566,14 @@ static int tw9910_s_register(struct v4l2_subdev *sd, } #endif +static int tw9910_s_power(struct v4l2_subdev *sd, int on) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_link *icl = soc_camera_i2c_to_link(client); + + return soc_camera_set_power(&client->dev, icl, on); +} + static int tw9910_set_frame(struct v4l2_subdev *sd, u32 *width, u32 *height) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -814,6 +822,7 @@ static struct v4l2_subdev_core_ops tw9910_subdev_core_ops = { .g_register = tw9910_g_register, .s_register = tw9910_s_register, #endif + .s_power = tw9910_s_power, }; static int tw9910_enum_fmt(struct v4l2_subdev *sd, unsigned int index, diff --git a/drivers/media/platform/soc_camera.c b/drivers/media/platform/soc_camera.c index 3feb43b4f281b073805d9c3ea6f53b3c21808f13..8e1548e16f546fbf146393e05a29296166e25f2e 100644 --- a/drivers/media/platform/soc_camera.c +++ b/drivers/media/platform/soc_camera.c @@ -50,72 +50,77 @@ static LIST_HEAD(hosts); static LIST_HEAD(devices); static DEFINE_MUTEX(list_lock); /* Protects the list of hosts */ -static int soc_camera_power_on(struct soc_camera_device *icd, - struct soc_camera_link *icl) +int soc_camera_power_on(struct device *dev, struct soc_camera_link *icl) { - struct v4l2_subdev *sd = soc_camera_to_subdev(icd); int ret = regulator_bulk_enable(icl->num_regulators, icl->regulators); if (ret < 0) { - dev_err(icd->pdev, "Cannot enable regulators\n"); + dev_err(dev, "Cannot enable regulators\n"); return ret; } if (icl->power) { - ret = icl->power(icd->control, 1); + ret = icl->power(dev, 1); if (ret < 0) { - dev_err(icd->pdev, + dev_err(dev, "Platform failed to power-on the camera.\n"); - goto elinkpwr; + regulator_bulk_disable(icl->num_regulators, + icl->regulators); } } - ret = v4l2_subdev_call(sd, core, s_power, 1); - if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) - goto esdpwr; - - return 0; - -esdpwr: - if (icl->power) - icl->power(icd->control, 0); -elinkpwr: - regulator_bulk_disable(icl->num_regulators, - icl->regulators); return ret; } +EXPORT_SYMBOL(soc_camera_power_on); -static int soc_camera_power_off(struct soc_camera_device *icd, - struct soc_camera_link *icl) +int soc_camera_power_off(struct device *dev, struct soc_camera_link *icl) { - struct v4l2_subdev *sd = soc_camera_to_subdev(icd); int ret = 0; int err; - err = v4l2_subdev_call(sd, core, s_power, 0); - if (err < 0 && err != -ENOIOCTLCMD && err != -ENODEV) { - dev_err(icd->pdev, "Subdev failed to power-off the camera.\n"); - ret = err; - } - if (icl->power) { - err = icl->power(icd->control, 0); + err = icl->power(dev, 0); if (err < 0) { - dev_err(icd->pdev, + dev_err(dev, "Platform failed to power-off the camera.\n"); - ret = ret ? : err; + ret = err; } } err = regulator_bulk_disable(icl->num_regulators, icl->regulators); if (err < 0) { - dev_err(icd->pdev, "Cannot disable regulators\n"); + dev_err(dev, "Cannot disable regulators\n"); ret = ret ? : err; } return ret; } +EXPORT_SYMBOL(soc_camera_power_off); + +static int __soc_camera_power_on(struct soc_camera_device *icd) +{ + struct v4l2_subdev *sd = soc_camera_to_subdev(icd); + int ret; + + ret = v4l2_subdev_call(sd, core, s_power, 1); + if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) + return ret; + + return 0; +} + +static int __soc_camera_power_off(struct soc_camera_device *icd) +{ + struct v4l2_subdev *sd = soc_camera_to_subdev(icd); + int ret; + + ret = v4l2_subdev_call(sd, core, s_power, 0); + if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) + return ret; + + return 0; +} const struct soc_camera_format_xlate *soc_camera_xlate_by_fourcc( struct soc_camera_device *icd, unsigned int fourcc) @@ -551,7 +556,7 @@ static int soc_camera_open(struct file *file) goto eiciadd; } - ret = soc_camera_power_on(icd, icl); + ret = __soc_camera_power_on(icd); if (ret < 0) goto epower; @@ -594,7 +599,7 @@ static int soc_camera_open(struct file *file) esfmt: pm_runtime_disable(&icd->vdev->dev); eresume: - soc_camera_power_off(icd, icl); + __soc_camera_power_off(icd); epower: ici->ops->remove(icd); eiciadd: @@ -614,8 +619,6 @@ static int soc_camera_close(struct file *file) mutex_lock(&icd->video_lock); icd->use_count--; if (!icd->use_count) { - struct soc_camera_link *icl = to_soc_camera_link(icd); - pm_runtime_suspend(&icd->vdev->dev); pm_runtime_disable(&icd->vdev->dev); @@ -623,7 +626,7 @@ static int soc_camera_close(struct file *file) vb2_queue_release(&icd->vb2_vidq); ici->ops->remove(icd); - soc_camera_power_off(icd, icl); + __soc_camera_power_off(icd); } if (icd->streamer == file) @@ -1088,8 +1091,14 @@ static int soc_camera_probe(struct soc_camera_device *icd) * subdevice has not been initialised yet. We'll have to call it once * again after initialisation, even though it shouldn't be needed, we * don't do any IO here. + * + * The device pointer passed to soc_camera_power_on(), and ultimately to + * the platform callback, should be the subdev physical device. However, + * we have no way to retrieve a pointer to that device here. This isn't + * a real issue, as no platform currently uses the device pointer, and + * this soc_camera_power_on() call will be removed in the next commit. */ - ret = soc_camera_power_on(icd, icl); + ret = soc_camera_power_on(icd->pdev, icl); if (ret < 0) goto epower; @@ -1162,7 +1171,7 @@ static int soc_camera_probe(struct soc_camera_device *icd) ici->ops->remove(icd); - soc_camera_power_off(icd, icl); + __soc_camera_power_off(icd); mutex_unlock(&icd->video_lock); @@ -1184,7 +1193,7 @@ static int soc_camera_probe(struct soc_camera_device *icd) video_device_release(icd->vdev); icd->vdev = NULL; evdc: - soc_camera_power_off(icd, icl); + __soc_camera_power_off(icd); epower: ici->ops->remove(icd); eadd: diff --git a/drivers/media/platform/soc_camera_platform.c b/drivers/media/platform/soc_camera_platform.c index f59ccade07c8b5cb9a0c3ebb4c4bdb539e2cbea8..7cf7fd16481fbd65f8820a3374ca4009de68eee7 100644 --- a/drivers/media/platform/soc_camera_platform.c +++ b/drivers/media/platform/soc_camera_platform.c @@ -50,7 +50,16 @@ static int soc_camera_platform_fill_fmt(struct v4l2_subdev *sd, return 0; } -static struct v4l2_subdev_core_ops platform_subdev_core_ops; +static int soc_camera_platform_s_power(struct v4l2_subdev *sd, int on) +{ + struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd); + + return soc_camera_set_power(p->icd->control, p->icd->link, on); +} + +static struct v4l2_subdev_core_ops platform_subdev_core_ops = { + .s_power = soc_camera_platform_s_power, +}; static int soc_camera_platform_enum_fmt(struct v4l2_subdev *sd, unsigned int index, enum v4l2_mbus_pixelcode *code) diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index d865dcf9879fe18092241e074807b1600ff57bbf..982bfc948414365ca01d7ed26cddf8f8501458cc 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -254,6 +254,16 @@ unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl, unsigned long soc_camera_apply_board_flags(struct soc_camera_link *icl, const struct v4l2_mbus_config *cfg); +int soc_camera_power_on(struct device *dev, struct soc_camera_link *icl); +int soc_camera_power_off(struct device *dev, struct soc_camera_link *icl); + +static inline int soc_camera_set_power(struct device *dev, + struct soc_camera_link *icl, bool on) +{ + return on ? soc_camera_power_on(dev, icl) + : soc_camera_power_off(dev, icl); +} + /* This is only temporary here - until v4l2-subdev begins to link to video_device */ #include static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)