linux-kernel - Re: [PATCH v4 09/12] ASoC: wm9712: add ac97 new bus support

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Date:   Tue, 25 Jul 2017 11:20:57 +0100
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     Robert Jarzmik <robert.jarzmik@...e.fr>
CC:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
        <linux-kernel@...r.kernel.org>, <linux-input@...r.kernel.org>,
        <patches@...nsource.wolfsonmicro.com>,
        <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 09/12] ASoC: wm9712: add ac97 new bus support

On Mon, Jul 24, 2017 at 10:49:25PM +0200, Robert Jarzmik wrote:
> Add support for the new ac97 bus model, where devices are automatically
> discovered on AC-Links.
> 
> Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
> ---
> +	} else {
> +		wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
> +						      WM9712_VENDOR_ID_MASK);
> +		if (IS_ERR(wm9712->ac97)) {
> +			ret = PTR_ERR(wm9712->ac97);
> +			dev_err(codec->dev,
> +				"Failed to register AC97 codec: %d\n", ret);
> +			return ret;
> +		}
> +
> +		regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
> +		if (IS_ERR(regmap)) {
> +			ret = PTR_ERR(regmap);
> +			goto err_free_ac97_codec;

For the 9713 you had this wrapped in an ifdef? Why did it need an
ifdef there but doesn't for this driver?

Thanks,
Charles