linux-kernel - Re: [PATCHv4 2/4] ASoC: codec: cpcap: new codec

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Message-ID: <CAOFm3uFJC2Xb0PuNECJ-Tvg2gQS==tMSc77p_keQoCexNqOkDg@mail.gmail.com>
Date:   Thu, 15 Feb 2018 10:50:22 +0100
From:   Philippe Ombredanne <pombredanne@...b.com>
To:     Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        ALSA <alsa-devel@...a-project.org>, linux-omap@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv4 2/4] ASoC: codec: cpcap: new codec

Dear Sebastian,

On Wed, Feb 14, 2018 at 11:07 PM, Sebastian Reichel
<sebastian.reichel@...labora.co.uk> wrote:
> Motorola CPCAP is a PMIC with audio functionality, that can be
> found on Motorola Droid 4 and probably a few other phones from
> Motorola's Droid series.
>
> The driver has been written from scratch using Motorola's Android
> driver, register dumps from running Android and datasheet for NXP
> MC13783UG (which is similar to Motorola CPCAP, but not the same).
>
> The chip provides two audio interfaces, that can be muxed to two
> different audio codecs. One provides support for stereo output
> (named StDAC or HiFi), while the other only provides mono output
> (named Voice). Only the Voice codec provides a Capture interface.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>

<snip>

> --- /dev/null
> +++ b/sound/soc/codecs/cpcap.c
> @@ -0,0 +1,1588 @@
> +/*
> + * ALSA SoC CPCAP codec driver
> + *
> + * Copyright (C) 2017 - 2018 Sebastian Reichel <sre@...nel.org>
> + *
> + * Very loosely based on original driver from Motorola:
> + * Copyright (C) 2007 - 2009 Motorola, Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + */

Could you consider using the new SPDX tags instead of this fine but
long legalese? [1]

<snip>

> +MODULE_ALIAS("platform:cpcap-codec");
> +MODULE_DESCRIPTION("ASoC CPCAP codec driver");
> +MODULE_AUTHOR("Sebastian Reichel");
> +MODULE_LICENSE("GPL");

This does not match your license: per module.h, GPL means GPL-2.0 or
later. You notice above is GPL-2.0, not "or later"

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/license-rules.rst

-- 
Cordially
Philippe Ombredanne