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Subject: media: atomisp: gc0310: Turn into standard v4l2 sensor driver Author: Hans de Goede <[email protected]> Date: Thu May 25 20:00:58 2023 +0100 Switch the atomisp-gc0310 driver to v4l2 async device registration. After this change this driver no longer depends on atomisp_gmin_platform and all atomisp-isms are gone. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 29 ++++++++++++++-------- .../media/atomisp/pci/atomisp_csi2_bridge.c | 2 ++ 2 files changed, 20 insertions(+), 11 deletions(-) --- diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c index 1829ba419e3e..9a11793f34f7 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c @@ -29,8 +29,6 @@ #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> -#include "../include/linux/atomisp_gmin_platform.h" - #define GC0310_NATIVE_WIDTH 656 #define GC0310_NATIVE_HEIGHT 496 @@ -85,6 +83,7 @@ struct gc0310_device { struct mutex input_lock; bool is_streaming; + struct fwnode_handle *ep_fwnode; struct gpio_desc *reset; struct gpio_desc *powerdown; @@ -596,11 +595,11 @@ static void gc0310_remove(struct i2c_client *client) dev_dbg(&client->dev, "gc0310_remove...\n"); - atomisp_unregister_subdev(sd); - v4l2_device_unregister_subdev(sd); + v4l2_async_unregister_subdev(sd); 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); } @@ -613,19 +612,27 @@ static int gc0310_probe(struct i2c_client *client) if (!dev) return -ENOMEM; - ret = v4l2_get_acpi_sensor_info(&client->dev, NULL); - if (ret) - return ret; + /* + * 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) + return dev_err_probe(&client->dev, -EPROBE_DEFER, "waiting for fwnode graph endpoint\n"); dev->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(dev->reset)) + 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)) + 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"); + } mutex_init(&dev->input_lock); v4l2_i2c_subdev_init(&dev->sd, client, &gc0310_ops); @@ -645,6 +652,7 @@ 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) { @@ -658,8 +666,7 @@ static int gc0310_probe(struct i2c_client *client) return ret; } - ret = atomisp_register_sensor_no_gmin(&dev->sd, 1, ATOMISP_INPUT_FORMAT_RAW_8, - atomisp_bayer_order_grbg); + ret = v4l2_async_register_subdev_sensor(&dev->sd); if (ret) { gc0310_remove(client); return ret; diff --git a/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c b/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c index d1789f171228..b55a7ff9844e 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c +++ b/drivers/staging/media/atomisp/pci/atomisp_csi2_bridge.c @@ -89,6 +89,8 @@ static const guid_t atomisp_dsm_guid = * power-management and with v4l2-async probing. */ static const struct atomisp_csi2_sensor_config supported_sensors[] = { + /* GalaxyCore GC0310 */ + { "INT0310", 1 }, /* Omnivision OV2680 */ { "OVTI2680", 1 }, }; _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
