linux-kernel - Re: [RFC v1 PATCH 3/6] led: pmic8058: Add PMIC8058 leds driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4CFCE8B7.8080305@codeaurora.org>
Date:	Mon, 06 Dec 2010 19:14:23 +0530
From:	Trilok Soni <tsoni@...eaurora.org>
To:	Lars-Peter Clausen <lars@...afoo.de>
CC:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	rtc-linux@...glegroups.com, linux-arm-msm@...r.kernel.org,
	Richard Purdie <rpurdie@...ys.net>
Subject: Re: [RFC v1 PATCH 3/6] led: pmic8058: Add PMIC8058 leds driver

Hi Peter,

> 
>>> +
>>> +/**
>>> + * struct pmic8058_led - per led data
>>> + * @name - name of the led
>>> + * @default_trigger - default trigger which needs to e attached
>>> + * @max_brightness - maximum brightness level supported by the led
>>> + * @id - supported led id
>>> + */
>>> +struct pmic8058_led {
>>> +	const char	*name;
>>> +	const char	*default_trigger;
>>> +	unsigned	max_brightness;
>> Should max_brightness not rather be hardcoded in the driver? As far as I can tell it
>> depend on the hardware and is 4 bits wide for flash and bl leds and 5 bits for the
>> others.
>>> +	int		id;
>>
>> enum pmic8058_leds instead of int
> 
> Ack.
> 
>>> +struct pmic8058_leds_platform_data {
>>> +	int			num_leds;
>> size_t
> 
> Ack.
> 
>>> +	struct pmic8058_led	*leds;
>>> +};
>>
>>
>> If max_brightness is hardcoded in the driver you can reuse "struct led_info" and
>> "struct struct led_platform_data" instead of adding your own structs.
> 

I couldn't remove these pmic8058_led structure due to the "enum pmic8058_led id" member
info which I need from every led. This can be removed completely only if I abuse
the "flags" parameter in struct led_info to pass the led id. Let me know what you think.

---Trilok Soni

-- 
Sent by a consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/