linux-kernel - Re: [PATCH v2 2/2] leds: leds-multi-gpio: Add multiple GPIOs LED driver

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Date:   Mon, 29 Mar 2021 06:00:43 +0000
From:   Hermes Zhang <Hermes.Zhang@...s.com>
To:     Pavel Machek <pavel@....cz>
CC:     "dmurphy@...com" <dmurphy@...com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Hermes Zhang <Hermes.Zhang@...s.com>,
        "lkml@...s.com" <lkml@...s.com>, kernel <kernel@...s.com>
Subject: Re: [PATCH v2 2/2] leds: leds-multi-gpio: Add multiple GPIOs LED
 driver

On 3/26/21 9:49 PM, Pavel Machek wrote:
>> +	of_property_read_string(node, "default-state", &state);
>> +	if (!strcmp(state, "on"))
>> +		multi_gpio_led_set(&priv->cdev, priv->cdev.max_brightness);
>> +	else
>> +		multi_gpio_led_set(&priv->cdev, 0);
> No need for default-state handling, unless you are using it.
>
We will use it, to make the LED default on or off.


Best Regards,

Hermes