From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Marco Nenciarini <mnencia@kcore.it>
Cc: "Daniel Scally" <djrscally@gmail.com>,
"Sakari Ailus" <sakari.ailus@linux.intel.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Hans de Goede" <johannes.goede@oss.qualcomm.com>,
platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 4/4] platform/x86: int3472: Add support for GPIO type 0x02 (IR flood LED)
Date: Tue, 31 Mar 2026 21:54:16 +0300 [thread overview]
Message-ID: <acwYWAEdD4lDqaOZ@ashevche-desk.local> (raw)
In-Reply-To: <20260331134443.1573053-5-mnencia@kcore.it>
On Tue, Mar 31, 2026 at 03:44:43PM +0200, Marco Nenciarini wrote:
> Add support for GPIO type 0x02, which controls an IR flood LED used
> for face authentication on some laptops (e.g. Dell Pro Max 16 Premium).
>
> Without this patch, the kernel logs "GPIO type 0x02 unknown; the sensor
> may not work" and IR sensors paired with a flood LED cannot function.
>
> The flood LED is registered through the LED subsystem like the existing
> privacy LED. Unlike the privacy LED, it does not have a lookup entry
> since there is no consumer driver expecting it via led_get().
>
> To support multiple LEDs per INT3472 device, convert the single led
> struct member to an array with a counter.
I think this is what we want, thanks!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-03-31 18:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 13:44 [PATCH v7 0/4] platform/x86: int3472: Add support for GPIO type 0x02 (IR flood LED) Marco Nenciarini
2026-03-31 13:44 ` [PATCH v7 1/4] platform/x86: int3472: Use local variable for LED struct access Marco Nenciarini
2026-04-01 13:40 ` Hans de Goede
2026-03-31 13:44 ` [PATCH v7 2/4] platform/x86: int3472: Rename pled to led in LED registration code Marco Nenciarini
2026-04-01 13:42 ` Hans de Goede
2026-03-31 13:44 ` [PATCH v7 3/4] platform/x86: int3472: Parameterize LED con_id in registration Marco Nenciarini
2026-03-31 18:50 ` Andy Shevchenko
2026-04-01 13:43 ` Hans de Goede
2026-03-31 13:44 ` [PATCH v7 4/4] platform/x86: int3472: Add support for GPIO type 0x02 (IR flood LED) Marco Nenciarini
2026-03-31 18:54 ` Andy Shevchenko [this message]
2026-04-01 13:45 ` Hans de Goede
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