diff options
Diffstat (limited to 'drivers/staging/media/atomisp/i2c/atomisp-gc0310.c')
| -rw-r--r-- | drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c index 9a11793f34f7..58cddf11c9ab 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c @@ -83,7 +83,6 @@ struct gc0310_device { struct mutex input_lock; bool is_streaming; - struct fwnode_handle *ep_fwnode; struct gpio_desc *reset; struct gpio_desc *powerdown; @@ -442,11 +441,6 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) dev_dbg(&client->dev, "%s S enable=%d\n", __func__, enable); mutex_lock(&dev->input_lock); - if (dev->is_streaming == enable) { - dev_warn(&client->dev, "stream already %s\n", enable ? "started" : "stopped"); - goto error_unlock; - } - if (enable) { ret = pm_runtime_get_sync(&client->dev); if (ret < 0) @@ -498,7 +492,6 @@ static int gc0310_s_stream(struct v4l2_subdev *sd, int enable) error_power_down: pm_runtime_put(&client->dev); dev->is_streaming = false; -error_unlock: mutex_unlock(&dev->input_lock); return ret; } @@ -599,37 +592,37 @@ static void gc0310_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrls.handler); mutex_destroy(&dev->input_lock); - fwnode_handle_put(dev->ep_fwnode); pm_runtime_disable(&client->dev); } static int gc0310_probe(struct i2c_client *client) { + struct fwnode_handle *ep_fwnode; struct gc0310_device *dev; int ret; - dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL); - if (!dev) - return -ENOMEM; - /* * Sometimes the fwnode graph is initialized by the bridge driver. * Bridge drivers doing this may also add GPIO mappings, wait for this. */ - dev->ep_fwnode = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); - if (!dev->ep_fwnode) + ep_fwnode = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); + if (!ep_fwnode) return dev_err_probe(&client->dev, -EPROBE_DEFER, "waiting for fwnode graph endpoint\n"); + fwnode_handle_put(ep_fwnode); + + dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + dev->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(dev->reset)) { - fwnode_handle_put(dev->ep_fwnode); return dev_err_probe(&client->dev, PTR_ERR(dev->reset), "getting reset GPIO\n"); } dev->powerdown = devm_gpiod_get(&client->dev, "powerdown", GPIOD_OUT_HIGH); if (IS_ERR(dev->powerdown)) { - fwnode_handle_put(dev->ep_fwnode); return dev_err_probe(&client->dev, PTR_ERR(dev->powerdown), "getting powerdown GPIO\n"); } @@ -652,7 +645,6 @@ static int gc0310_probe(struct i2c_client *client) dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; dev->pad.flags = MEDIA_PAD_FL_SOURCE; dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; - dev->sd.fwnode = dev->ep_fwnode; ret = gc0310_init_controls(dev); if (ret) { |