Re: [PATCH v3] dell-laptop: Fix keyboard led max_brightness property for Dell Latitude E6410
From: Darren Hart
Date: Thu Nov 02 2017 - 21:18:53 EST
On Thu, Nov 02, 2017 at 09:25:24PM +0100, Pali Rohár wrote:
> This machine reports number of keyboard backlight led levels, instead of
> value of the last led level index. Therefore max_brightness properly needs
> to be subtracted by 1 to match led max_brightness API.
>
> Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx>
> Reported-by: Gabriel M. Elder <gabriel@xxxxxxxxxxxxxx>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=196913
> ---
> Changes since v2:
> * Rename quirk entry to kbd_led_levels_off_1
> Changes since v1:
> * Update kbd_info.levels at initialization time based on quirk
> ---
> drivers/platform/x86/dell-laptop.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
> index f42159f..7424e53 100644
> --- a/drivers/platform/x86/dell-laptop.c
> +++ b/drivers/platform/x86/dell-laptop.c
> @@ -49,6 +49,7 @@
>
> struct quirk_entry {
> u8 touchpad_led;
> + u8 kbd_led_levels_off_1;
I believe you and Andy agreed to use a boolean type here?
--
Darren Hart
VMware Open Source Technology Center