linux-kernel - Re: [PATCH v3 3/4] platform/chrome: cros_kbd_led_backlight: allow binding through mfd device

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Message-ID: <ZmutW6vh7pD1HLf5@google.com>
Date: Fri, 14 Jun 2024 02:39:23 +0000
From: Tzung-Bi Shih <tzungbi@...nel.org>
To: Lee Jones <lee@...nel.org>
Cc: Thomas Weißschuh <linux@...ssschuh.net>,
	Benson Leung <bleung@...omium.org>,
	Guenter Roeck <groeck@...omium.org>, Pavel Machek <pavel@....cz>,
	chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Dustin Howett <dustin@...ett.net>,
	Mario Limonciello <mario.limonciello@....com>,
	linux-leds@...r.kernel.org,
	Rajas Paranjpe <paranjperajas@...il.com>
Subject: Re: [PATCH v3 3/4] platform/chrome: cros_kbd_led_backlight: allow
 binding through mfd device

On Thu, Jun 13, 2024 at 03:34:51PM +0100, Lee Jones wrote:
> On Mon, 03 Jun 2024, Tzung-Bi Shih wrote:
> 
> > On Sun, May 26, 2024 at 08:17:17PM +0200, Thomas Weißschuh wrote:
> > > The ChromeOS EC used in Framework laptops supports the standard CrOS EC
> > > keyboard backlight protocol.
> > > However the firmware on these laptops doesn't implement the ACPI ID
> > > GOOG0002 that is recognized by cros_kbd_led_backlight and they also
> > > don't use device tree.
> > > 
> > > Prepare the existing cros_kbd_led_backlight driver to be probed through
> > > the CrOS EC mfd device which works without ACPI or OF support.
> > > 
> > > Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> > 
> > The patch overall looks good to me but it depends on previous patch in the
> > series (for LED_REJECT_NAME_CONFLICT).  Let's wait for review.
> 
> I plan to take this via MFD.
> 
> Is someone going to Ack this patch?

Acked-by: Tzung-Bi Shih <tzungbi@...nel.org>