linux-kernel - Re: [PATCH v2] media: i2c: Add OV05C10 camera sensor driver

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Message-ID: <20250402012052.GG4845@pendragon.ideasonboard.com>
Date: Wed, 2 Apr 2025 04:20:52 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: "Nirujogi, Pratap" <pnirujog@....com>
Cc: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
	Pratap Nirujogi <pratap.nirujogi@....com>, mchehab@...nel.org,
	sakari.ailus@...ux.intel.com, hverkuil@...all.nl,
	dave.stevenson@...pberrypi.com, krzk@...nel.org,
	dan.carpenter@...aro.org, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, benjamin.chan@....com, bin.du@....com,
	grosikop@....com, king.li@....com, dantony@....com,
	Venkata Narendra Kumar Gutta <vengutta@....com>
Subject: Re: [PATCH v2] media: i2c: Add OV05C10 camera sensor driver

On Mon, Mar 31, 2025 at 03:17:22PM -0400, Nirujogi, Pratap wrote:
> On 3/28/2025 9:18 PM, Bryan O'Donoghue wrote:
> > On 28/03/2025 21:42, Pratap Nirujogi wrote:
> >> From: Bin Du <Bin.Du@....com>
> > 
> >> +static const struct i2c_device_id ov05c10_id[] = {
> >> +     {"ov05c10", 0 },
> >> +     { }
> >> +};
> > 
> > There's an IPU6/IPU7 version of this driver.
> > 
> > https://github.com/intel/ipu6-drivers/blob/master/drivers/media/i2c/ 
> > ov05c10.c
> > 
> > Perhaps you could import the Intel ACPI name contained in there too.
> > 
> sure, will add Intel ACPI names too in V3. To be specific, I'm going to 
> add the below table in addition to the existing "struct i2c_device_id 
> ov05c10_id[]" table:
> 
> static const struct acpi_device_id ov05c10_acpi_ids[] = {
> 	{ "OVTI05C1" },
> 	{}
> };

You could drop the i2c_device_id table if you added an OF device ID
table, but you'll need DT bindings for that. Sakari, any best practice
rule in this area ?

> >> +
> >> +MODULE_DEVICE_TABLE(i2c, ov05c10_id);
> >> +
> >> +static struct i2c_driver ov05c10_i2c_driver = {
> >> +     .driver = {
> >> +             .name = DRV_NAME,
> >> +             .pm = pm_ptr(&ov05c10_pm_ops),
> >> +     },
> >> +     .id_table = ov05c10_id,
> >> +     .probe = ov05c10_probe,
> >> +     .remove = ov05c10_remove,
> >> +};
> >> +
> >> +module_i2c_driver(ov05c10_i2c_driver);
> >> +
> >> +MODULE_AUTHOR("Pratap Nirujogi <pratap.nirujogi@....com>");
> >> +MODULE_AUTHOR("Venkata Narendra Kumar Gutta <vengutta@....com>");
> >> +MODULE_AUTHOR("Bin Du <bin.du@....com>");
> >> +MODULE_DESCRIPTION("OmniVision OV05C1010 sensor driver");
> >> +MODULE_LICENSE("GPL v2");
> > 
> > Why v2 ? Checkpatch will complain about v2 and BTW the IPU6 driver above
> > is GPL not GPL v2.
> 
> sure, will replace "GPL v2" with "GPL" in V3.

-- 
Regards,

Laurent Pinchart