[PATCH v2 1/3] drm: Add panel backlight quirks

Jeff Johnson quic_jjohnson at quicinc.com
Sat Jun 29 04:52:39 UTC 2024


On 6/23/24 01:51, Thomas Weißschuh wrote:
> Panels using a PWM-controlled backlight source without an do not have a
> standard way to communicate their valid PWM ranges.
> On x86 the ranges are read from ACPI through driver-specific tables.
> The built-in ranges are not necessarily correct, or may grow stale if an
> older device can be retrofitted with newer panels.
> 
> Add a quirk infrastructure with which the valid backlight ranges can be
> maintained as part of the kernel.
> 
> Signed-off-by: Thomas Weißschuh <linux at weissschuh.net>
> ---
...

> +EXPORT_SYMBOL(drm_get_panel_backlight_quirk);
> +
> +MODULE_LICENSE("GPL");

Missing a MODULE_DESCRIPTION()

This will result in a make W=1 warning



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