[PATCH v3 05/22] ASoC: mediatek: Add common machine soundcard driver probe mechanism

[Mark Brown]

On Wed, Mar 13, 2024 at 12:01:30PM +0100, AngeloGioacchino Del Regno wrote:
> Add a common machine soundcard driver probe function that supports both
> DSP and AFE-direct usecases and also provides a hook for legacy machine
> soundcard driver probe mechanisms.
> 
> Note that the hook is there because, even for legacy probe, a lot of the
> actual code can still be commonized, hence still reducing duplication
> for the legacy devicetree retrocompatibility cases.
> 
> This common probe function deprecates all of the inconsistent previous
> probe mechanisms and aims to settle all of the MediaTek card drivers on
> consistent and common devicetree properties describing wanted DAIs,
> device specific DAI configuration and DAI links to codecs found on
> each device/board.

This breaks allmodconfig builds:


/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_dai_link_fixup’:
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:18:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
   18 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
      |                                         ^~~~~~~~~~~~~
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_card_probe’:
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:58:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
   58 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
      |                                         ^~~~~~~~~~~~~
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_find_tplg_be’:
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:76:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
   76 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
      |                                         ^~~~~~~~~~~~~
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_check_tplg_be_dai_link_fixup’:
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:116:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
  116 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
      |                                         ^~~~~~~~~~~~~
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_card_late_probe’:
/build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:147:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
  147 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
      |                                         ^~~~~~~~~~~~~
cc1: all warnings being treated as errors
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