ASoC: add soc-card.c

Current ALSA SoC has some snd_soc_card_xxx() functions,
and card->xxx() callbacks.
But, it is implemented randomly at random place.

To collect all card related functions into one place,
this patch creats new soc-card.c.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87blm825kt.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-card.h

+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * soc-card.h
+ *
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ */
+#ifndef __SOC_CARD_H
+#define __SOC_CARD_H
+
+#endif /* __SOC_CARD_H */

include/sound/soc.h

@@ -1450,5 +1450,6 @@ static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
 }
 
 #include <sound/soc-component.h>
+#include <sound/soc-card.h>
 
 #endif

sound/soc/Makefile

 # SPDX-License-Identifier: GPL-2.0
 snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-utils.o soc-dai.o soc-component.o
-snd-soc-core-objs += soc-pcm.o soc-io.o soc-devres.o soc-ops.o soc-link.o
+snd-soc-core-objs += soc-pcm.o soc-io.o soc-devres.o soc-ops.o soc-link.o soc-card.o
 snd-soc-core-$(CONFIG_SND_SOC_COMPRESS) += soc-compress.o
 
 ifneq ($(CONFIG_SND_SOC_TOPOLOGY),)

sound/soc/soc-card.c

+// SPDX-License-Identifier: GPL-2.0
+//
+// soc-card.c
+//
+// Copyright (C) 2019 Renesas Electronics Corp.
+// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+//
+#include <sound/soc.h>
+
+#define soc_card_ret(dai, ret) _soc_card_ret(dai, __func__, ret)
+static inline int _soc_card_ret(struct snd_soc_card *card,
+				const char *func, int ret)
+{
+	switch (ret) {
+	case -EPROBE_DEFER:
+	case -ENOTSUPP:
+	case 0:
+		break;
+	default:
+		dev_err(card->dev,
+			"ASoC: error at %s on %s: %d\n",
+			func, card->name, ret);
+	}
+
+	return ret;
+}