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SubjectRe: [RESEND PATCH v2 14/15] ASoC: qcom: apq8096: Add db820c machine driver
On Thu 14 Dec 09:34 PST 2017, srinivas.kandagatla@linaro.org wrote:

> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
>
> uThis patch adds support to DB820c machine driver.

Drop 'u' and expand the message to claim that this is the machine driver
for 8996, used by the db820c.

[..]
> +static struct snd_soc_dai_link msm8996_dai_links[] = {

Are there any differences between the DAI links of apq8096 and msm8996?

> + /* FrontEnd DAI Links */
> + {
> + .name = "MultiMedia1 Playback",
> + .stream_name = "MultiMedia1",
> + .cpu_dai_name = "MM_DL1",
> + .platform_name = "q6asm_dai",
> + .dynamic = 1,
> + .dpcm_playback = 1,
> +
> + .codec_dai_name = "snd-soc-dummy-dai",
> + .codec_name = "snd-soc-dummy",
> + },
> + /* Backend DAI Links */
> + {
> + .name = "HDMI Playback",
> + .stream_name = "q6afe_dai",
> + .cpu_dai_name = "HDMI",
> + .platform_name = "q6routing",
> + .no_pcm = 1,
> + .dpcm_playback = 1,
> + .be_hw_params_fixup = msm8996_be_hw_params_fixup,
> + .codec_dai_name = "i2s-hifi",
> + .codec_name = "hdmi-audio-codec.0.auto",
> + },
> +};
> +
> +static int apq8096_sbc_parse_of(struct snd_soc_card *card)

msm8996_parse_of()

> +{
> + struct device *dev = card->dev;
> + int ret;
> +
> + ret = snd_soc_of_parse_card_name(card, "qcom,model");
> + if (ret)
> + dev_err(dev, "Error parsing card name: %d\n", ret);
> +
> + return ret;
> +}
> +
> +static int msm_snd_apq8096_probe(struct platform_device *pdev)

msm_snd_msm8996_probe()?

> +{
> + int ret;
> + struct snd_soc_card *card;
> +
> + card = devm_kzalloc(&pdev->dev, sizeof(*card), GFP_KERNEL);
> + if (!card)
> + return -ENOMEM;
> +
> + card->dev = &pdev->dev;
> +
> + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
> + if (ret)
> + return ret;
> +
> + card->dai_link = msm8996_dai_links;
> + card->num_links = ARRAY_SIZE(msm8996_dai_links);
> +
> + ret = apq8096_sbc_parse_of(card);
> + if (ret) {
> + dev_err(&pdev->dev, "Error parsing OF data\n");

No need to print in both parse_of() and here.

> + return ret;
> + }
> +
> + ret = devm_snd_soc_register_card(&pdev->dev, card);
> + if (ret)
> + dev_err(&pdev->dev, "sound card register failed (%d)!\n", ret);
> + else
> + dev_err(&pdev->dev, "sound card register Sucessfull\n");

This isn't an error, skip the print here.

> +
> + return ret;
> +}
> +
> +static const struct of_device_id msm_snd_apq8096_dt_match[] = {
> + {.compatible = "qcom,apq8096-sndcard"},
> + {}
> +};
> +
> +static struct platform_driver msm_snd_apq8096_driver = {
> + .probe = msm_snd_apq8096_probe,
> + .driver = {
> + .name = "msm-snd-apq8096",
> + .owner = THIS_MODULE,

Drop the .owner

Regards,
Bjorn

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