From df2942622abf3bd1e0550132798e96d93b6562f3 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 13 Aug 2025 00:45:24 +0300 Subject: [PATCH] media: i2c: imx319: Replace client->dev usage The driver needs to access the struct device in many places, and retrieves it from the i2c_client itself retrieved with v4l2_get_subdevdata(). Store it as a pointer in struct imx319 and access it from there instead, to simplify the driver. While at it, fix a mistake in the sort order of include statements. Signed-off-by: Laurent Pinchart Signed-off-by: Sakari Ailus Reviewed-by: Mehdi Djait Signed-off-by: Hans Verkuil --- drivers/media/i2c/imx319.c | 63 +++++++++++++++++++------------------- 1 file changed, 31 insertions(+), 32 deletions(-) diff --git a/drivers/media/i2c/imx319.c b/drivers/media/i2c/imx319.c index 701840f4a5cc0..f404d053873ce 100644 --- a/drivers/media/i2c/imx319.c +++ b/drivers/media/i2c/imx319.c @@ -1,11 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (C) 2018 Intel Corporation -#include #include #include #include #include +#include + #include #include #include @@ -111,6 +112,8 @@ struct imx319_hwcfg { }; struct imx319 { + struct device *dev; + struct v4l2_subdev sd; struct media_pad pad; @@ -1839,14 +1842,13 @@ static int imx319_write_reg(struct imx319 *imx319, u16 reg, u32 len, u32 val) static int imx319_write_regs(struct imx319 *imx319, const struct imx319_reg *regs, u32 len) { - struct i2c_client *client = v4l2_get_subdevdata(&imx319->sd); int ret; u32 i; for (i = 0; i < len; i++) { ret = imx319_write_reg(imx319, regs[i].address, 1, regs[i].val); if (ret) { - dev_err_ratelimited(&client->dev, + dev_err_ratelimited(imx319->dev, "write reg 0x%4.4x return err %d", regs[i].address, ret); return ret; @@ -1880,7 +1882,6 @@ static int imx319_set_ctrl(struct v4l2_ctrl *ctrl) { struct imx319 *imx319 = container_of(ctrl->handler, struct imx319, ctrl_handler); - struct i2c_client *client = v4l2_get_subdevdata(&imx319->sd); s64 max; int ret; @@ -1899,7 +1900,7 @@ static int imx319_set_ctrl(struct v4l2_ctrl *ctrl) * Applying V4L2 control value only happens * when power is up for streaming */ - if (!pm_runtime_get_if_in_use(&client->dev)) + if (!pm_runtime_get_if_in_use(imx319->dev)) return 0; switch (ctrl->id) { @@ -1933,12 +1934,12 @@ static int imx319_set_ctrl(struct v4l2_ctrl *ctrl) break; default: ret = -EINVAL; - dev_info(&client->dev, "ctrl(id:0x%x,val:0x%x) is not handled", + dev_info(imx319->dev, "ctrl(id:0x%x,val:0x%x) is not handled", ctrl->id, ctrl->val); break; } - pm_runtime_put(&client->dev); + pm_runtime_put(imx319->dev); return ret; } @@ -2087,7 +2088,6 @@ imx319_set_pad_format(struct v4l2_subdev *sd, /* Verify chip ID */ static int imx319_identify_module(struct imx319 *imx319) { - struct i2c_client *client = v4l2_get_subdevdata(&imx319->sd); int ret; u32 val; @@ -2099,7 +2099,7 @@ static int imx319_identify_module(struct imx319 *imx319) return ret; if (val != IMX319_CHIP_ID) { - dev_err(&client->dev, "chip id mismatch: %x!=%x", + dev_err(imx319->dev, "chip id mismatch: %x!=%x", IMX319_CHIP_ID, val); return -EIO; } @@ -2112,7 +2112,6 @@ static int imx319_identify_module(struct imx319 *imx319) /* Start streaming */ static int imx319_start_streaming(struct imx319 *imx319) { - struct i2c_client *client = v4l2_get_subdevdata(&imx319->sd); const struct imx319_reg_list *reg_list; int ret; @@ -2124,7 +2123,7 @@ static int imx319_start_streaming(struct imx319 *imx319) reg_list = &imx319_global_setting; ret = imx319_write_regs(imx319, reg_list->regs, reg_list->num_of_regs); if (ret) { - dev_err(&client->dev, "failed to set global settings"); + dev_err(imx319->dev, "failed to set global settings"); return ret; } @@ -2132,7 +2131,7 @@ static int imx319_start_streaming(struct imx319 *imx319) reg_list = &imx319->cur_mode->reg_list; ret = imx319_write_regs(imx319, reg_list->regs, reg_list->num_of_regs); if (ret) { - dev_err(&client->dev, "failed to set mode"); + dev_err(imx319->dev, "failed to set mode"); return ret; } @@ -2160,13 +2159,12 @@ static int imx319_stop_streaming(struct imx319 *imx319) static int imx319_set_stream(struct v4l2_subdev *sd, int enable) { struct imx319 *imx319 = to_imx319(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = 0; mutex_lock(&imx319->mutex); if (enable) { - ret = pm_runtime_resume_and_get(&client->dev); + ret = pm_runtime_resume_and_get(imx319->dev); if (ret < 0) goto err_unlock; @@ -2179,7 +2177,7 @@ static int imx319_set_stream(struct v4l2_subdev *sd, int enable) goto err_rpm_put; } else { imx319_stop_streaming(imx319); - pm_runtime_put(&client->dev); + pm_runtime_put(imx319->dev); } /* vflip and hflip cannot change during streaming */ @@ -2191,7 +2189,7 @@ static int imx319_set_stream(struct v4l2_subdev *sd, int enable) return ret; err_rpm_put: - pm_runtime_put(&client->dev); + pm_runtime_put(imx319->dev); err_unlock: mutex_unlock(&imx319->mutex); @@ -2231,7 +2229,6 @@ static const struct v4l2_subdev_internal_ops imx319_internal_ops = { /* Initialize control handlers */ static int imx319_init_controls(struct imx319 *imx319) { - struct i2c_client *client = v4l2_get_subdevdata(&imx319->sd); struct v4l2_ctrl_handler *ctrl_hdlr; s64 exposure_max; s64 vblank_def; @@ -2311,7 +2308,7 @@ static int imx319_init_controls(struct imx319 *imx319) 0, 0, imx319_test_pattern_menu); if (ctrl_hdlr->error) { ret = ctrl_hdlr->error; - dev_err(&client->dev, "control init failed: %d", ret); + dev_err(imx319->dev, "control init failed: %d", ret); goto error; } @@ -2392,24 +2389,26 @@ static int imx319_probe(struct i2c_client *client) if (!imx319) return -ENOMEM; + imx319->dev = &client->dev; + mutex_init(&imx319->mutex); /* Initialize subdev */ v4l2_i2c_subdev_init(&imx319->sd, client, &imx319_subdev_ops); - full_power = acpi_dev_state_d0(&client->dev); + full_power = acpi_dev_state_d0(imx319->dev); if (full_power) { /* Check module identity */ ret = imx319_identify_module(imx319); if (ret) { - dev_err(&client->dev, "failed to find sensor: %d", ret); + dev_err(imx319->dev, "failed to find sensor: %d", ret); goto error_probe; } } - imx319->hwcfg = imx319_get_hwcfg(&client->dev); + imx319->hwcfg = imx319_get_hwcfg(imx319->dev); if (!imx319->hwcfg) { - dev_err(&client->dev, "failed to get hwcfg"); + dev_err(imx319->dev, "failed to get hwcfg"); ret = -ENODEV; goto error_probe; } @@ -2419,7 +2418,7 @@ static int imx319_probe(struct i2c_client *client) ret = imx319_init_controls(imx319); if (ret) { - dev_err(&client->dev, "failed to init controls: %d", ret); + dev_err(imx319->dev, "failed to init controls: %d", ret); goto error_probe; } @@ -2434,27 +2433,27 @@ static int imx319_probe(struct i2c_client *client) imx319->pad.flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_pads_init(&imx319->sd.entity, 1, &imx319->pad); if (ret) { - dev_err(&client->dev, "failed to init entity pads: %d", ret); + dev_err(imx319->dev, "failed to init entity pads: %d", ret); goto error_handler_free; } /* Set the device's state to active if it's in D0 state. */ if (full_power) - pm_runtime_set_active(&client->dev); - pm_runtime_enable(&client->dev); + pm_runtime_set_active(imx319->dev); + pm_runtime_enable(imx319->dev); ret = v4l2_async_register_subdev_sensor(&imx319->sd); if (ret < 0) goto error_media_entity_pm; - pm_runtime_idle(&client->dev); + pm_runtime_idle(imx319->dev); return 0; error_media_entity_pm: - pm_runtime_disable(&client->dev); + pm_runtime_disable(imx319->dev); if (full_power) - pm_runtime_set_suspended(&client->dev); + pm_runtime_set_suspended(imx319->dev); media_entity_cleanup(&imx319->sd.entity); error_handler_free: @@ -2475,9 +2474,9 @@ static void imx319_remove(struct i2c_client *client) media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(sd->ctrl_handler); - pm_runtime_disable(&client->dev); - if (!pm_runtime_status_suspended(&client->dev)) - pm_runtime_set_suspended(&client->dev); + pm_runtime_disable(imx319->dev); + if (!pm_runtime_status_suspended(imx319->dev)) + pm_runtime_set_suspended(imx319->dev); mutex_destroy(&imx319->mutex); } -- 2.47.3