Re: [PATCH 9/9] drm: bridge/dw_hdmi-i2s-audio: add audio driver

From: Russell King - ARM Linux
Date: Mon Aug 10 2015 - 11:49:20 EST


On Sat, Aug 08, 2015 at 05:10:47PM +0100, Russell King wrote:
> From: Yakir Yang <ykk@xxxxxxxxxxxxxx>
>
> Add ALSA based HDMI I2S audio driver for dw_hdmi. Sound card
> driver could connect to this codec through the codec dai name
> "dw-hdmi-i2s-audio".
>
> [Fixed IRQ name, MODULE_DESCRIPTION, MODULE_ALIAS in
> dw-hdmi-i2s-audio.c, and platform device name in dw-hdmi.c --rmk]
>
> Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>

I'm dropping this patch after all as it no longer builds against modern
kernels due to the reference to the removed snd_soc_jack_new(). Its
replacement is at card level, and I don't think it's a simple case of
replacing it here.

> +static int snd_dw_hdmi_audio_probe(struct snd_soc_codec *codec)
> +{
> + struct snd_dw_hdmi *dw = snd_soc_codec_get_drvdata(codec);
> + int ret;
> +
> + ret = snd_soc_jack_new(codec, "dw Jack", SND_JACK_LINEOUT,
> + &dw->jack);
...
> +static const struct snd_soc_codec_driver dw_hdmi_audio = {
> + .probe = snd_dw_hdmi_audio_probe,
> + .dapm_widgets = snd_dw_hdmi_audio_widgets,
> + .num_dapm_widgets = ARRAY_SIZE(snd_dw_hdmi_audio_widgets),
> + .dapm_routes = snd_dw_hdmi_audio_routes,
> + .num_dapm_routes = ARRAY_SIZE(snd_dw_hdmi_audio_routes),
> +};
> +
> +static int dw_hdmi_audio_probe(struct platform_device *pdev)
> +{
> + struct dw_hdmi_audio_data *data = pdev->dev.platform_data;
> + struct snd_dw_hdmi *dw;
> + int ret;
> +
> + dw = devm_kzalloc(&pdev->dev, sizeof(*dw), GFP_KERNEL);
> + if (!dw)
> + return -ENOMEM;
> +
> + dw->data = *data;
> + dw->dev = &pdev->dev;
> + dw->is_jack_ready = false;
> + platform_set_drvdata(pdev, dw);
> +
> + ret = request_irq(dw->data.irq, snd_dw_hdmi_irq, IRQF_SHARED,
> + DRIVER_NAME, dw);
> + if (ret) {
> + dev_err(&pdev->dev, "request irq failed (%d)\n", ret);
> + return -EINVAL;
> + }
> +
> + ret = snd_soc_register_codec(&pdev->dev, &dw_hdmi_audio,
> + &dw_hdmi_audio_dai, 1);

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