linux-kernel - Re: [PATCH 5/5] leds: max597x: Add support for max597x

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Message-ID: <20220717124319.GK14285@duo.ucw.cz>
Date:   Sun, 17 Jul 2022 14:43:19 +0200
From:   Pavel Machek <pavel@....cz>
To:     Naresh Solanki <naresh.solanki@...ements.com>
Cc:     linux-kernel@...r.kernel.org,
        Patrick Rudolph <patrick.rudolph@...ements.com>
Subject: Re: [PATCH 5/5] leds: max597x: Add support for max597x

Hi!

> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index a49979f41eee..682748097276 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -598,6 +598,16 @@ config LEDS_ADP5520
>  	  To compile this driver as a module, choose M here: the module will
>  	  be called leds-adp5520.
>  
> +config LEDS_MAX597X
> +	tristate "Maxim 597x leds"
> +	depends on I2C
> +	depends on OF
> +	depends on LEDS_CLASS
> +	select MFD_MAX597X
> +	help
> +	  This driver controls a Maxim 5970/5978 indication led via I2C bus.
> +	  The MAX5970/5978 is a smart switch with 4 indication leds

led->LED.

Add "to compile this driver as a module, choose M here: the module will
be called ..".

Add "." at end of sentence.

> +++ b/drivers/leds/leds-max597x.c
> @@ -0,0 +1,130 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device driver for regulators in MAX5970 and MAX5978 IC

?

> +static int max597x_led_set_brightness(struct led_classdev *cdev,
> +				      enum led_brightness brightness)
> +{
> +	struct max597x_led *led = cdev->driver_data;
> +	int ret;
> +
> +	if (!led || !led->regmap)
> +		return -1;

-ERRNO.

> +static int max597x_led_probe(struct platform_device *pdev)
> +{
> +
> +
> +	struct max597x_data *max597x = dev_get_drvdata(pdev->dev.parent);
> +	struct device_node *np = dev_of_node(pdev->dev.parent);

Delete empty lines.

> +	struct device_node *led_node;
> +	struct device_node *child;
> +	int ret = 0;
> +
> +

One empty line would be enough.

> +module_platform_driver(max597x_led_driver);
> +
> +
> +MODULE_AUTHOR("Patrick Rudolph <patrick.rudolph@...ements.com>");

One empty line would be enough.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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