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

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Date: Tue, 28 May 2024 05:37:32 +0000
From: Tzung-Bi Shih <tzungbi@...nel.org>
To: Thomas Weißschuh <linux@...ssschuh.net>
Cc: Lee Jones <lee@...nel.org>, 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 Sun, May 26, 2024 at 08:17:17PM +0200, Thomas Weißschuh wrote:
> +#if IS_ENABLED(CONFIG_MFD_CROS_EC_DEV)
[...]
> +static const struct keyboard_led_drvdata keyboard_led_drvdata_ec_pwm_mfd = {
> +	.init = keyboard_led_init_ec_pwm_mfd,
> +	.brightness_set_blocking = keyboard_led_set_brightness_ec_pwm,
> +	.brightness_get = keyboard_led_get_brightness_ec_pwm,

They are only available if IS_ENABLED(CONFIG_CROS_EC).