Re: [PATCH v7 3/4] platform/x86: int3472: Parameterize LED con_id in registration

From: Hans de Goede

Date: Wed Apr 01 2026 - 09:49:43 EST


Hi,

On 31-Mar-26 15:44, Marco Nenciarini wrote:
> Add a con_id parameter to skl_int3472_register_led() to allow callers
> to specify both the LED name suffix and lookup con_id instead of
> hardcoding "privacy". This prepares for registering additional LED
> types with different names.
>
> While at it, rename the privacy LED's GPIO con_id from "privacy-led"
> to "privacy" in int3472_get_con_id_and_polarity() and pass it
> directly to skl_int3472_register_led(), reducing churn when adding
> new LED types.
>
> No functional change.
>
> Signed-off-by: Marco Nenciarini <mnencia@xxxxxxxx>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <johannes.goede@xxxxxxxxxxxxxxxx>

Regards,

Hans



> ---
>
> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> drivers/platform/x86/intel/int3472/discrete.c | 4 ++--
> drivers/platform/x86/intel/int3472/led.c | 7 ++++---
> include/linux/platform_data/x86/int3472.h | 3 ++-
> 3 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
> index cb24763..a45a930 100644
> --- a/drivers/platform/x86/intel/int3472/discrete.c
> +++ b/drivers/platform/x86/intel/int3472/discrete.c
> @@ -212,7 +212,7 @@ static void int3472_get_con_id_and_polarity(struct int3472_discrete_device *int3
> *gpio_flags = GPIO_ACTIVE_HIGH;
> break;
> case INT3472_GPIO_TYPE_PRIVACY_LED:
> - *con_id = "privacy-led";
> + *con_id = "privacy";
> *gpio_flags = GPIO_ACTIVE_HIGH;
> break;
> case INT3472_GPIO_TYPE_HOTPLUG_DETECT:
> @@ -348,7 +348,7 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares,
>
> break;
> case INT3472_GPIO_TYPE_PRIVACY_LED:
> - ret = skl_int3472_register_led(int3472, gpio);
> + ret = skl_int3472_register_led(int3472, gpio, con_id);
> if (ret)
> err_msg = "Failed to register LED\n";
>
> diff --git a/drivers/platform/x86/intel/int3472/led.c b/drivers/platform/x86/intel/int3472/led.c
> index fe412cb..22d0d6c 100644
> --- a/drivers/platform/x86/intel/int3472/led.c
> +++ b/drivers/platform/x86/intel/int3472/led.c
> @@ -14,7 +14,8 @@ static int int3472_led_set(struct led_classdev *led_cdev, enum led_brightness br
> return 0;
> }
>
> -int skl_int3472_register_led(struct int3472_discrete_device *int3472, struct gpio_desc *gpio)
> +int skl_int3472_register_led(struct int3472_discrete_device *int3472, struct gpio_desc *gpio,
> + const char *con_id)
> {
> struct int3472_led *led = &int3472->led;
> char *p;
> @@ -27,7 +28,7 @@ int skl_int3472_register_led(struct int3472_discrete_device *int3472, struct gpi
>
> /* Generate the name, replacing the ':' in the ACPI devname with '_' */
> snprintf(led->name, sizeof(led->name),
> - "%s::privacy_led", acpi_dev_name(int3472->sensor));
> + "%s::%s_led", acpi_dev_name(int3472->sensor), con_id);
> p = strchr(led->name, ':');
> if (p)
> *p = '_';
> @@ -42,7 +43,7 @@ int skl_int3472_register_led(struct int3472_discrete_device *int3472, struct gpi
>
> led->lookup.provider = led->name;
> led->lookup.dev_id = int3472->sensor_name;
> - led->lookup.con_id = "privacy";
> + led->lookup.con_id = con_id;
> led_add_lookup(&led->lookup);
>
> return 0;
> diff --git a/include/linux/platform_data/x86/int3472.h b/include/linux/platform_data/x86/int3472.h
> index 7af6731..3ba0d56 100644
> --- a/include/linux/platform_data/x86/int3472.h
> +++ b/include/linux/platform_data/x86/int3472.h
> @@ -160,7 +160,8 @@ int skl_int3472_register_regulator(struct int3472_discrete_device *int3472,
> const char *second_sensor);
> void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472);
>
> -int skl_int3472_register_led(struct int3472_discrete_device *int3472, struct gpio_desc *gpio);
> +int skl_int3472_register_led(struct int3472_discrete_device *int3472, struct gpio_desc *gpio,
> + const char *con_id);
> void skl_int3472_unregister_led(struct int3472_discrete_device *int3472);
>
> #endif