linux-stable/sound/soc/soc-card.c
Kuninori Morimoto 209c6cdfd2
ASoC: soc-card: move snd_soc_card_get_kcontrol() to soc-card
Card related function should be implemented at soc-card now.
This patch moves it.

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/87a71s25kj.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-30 02:11:27 +01:00

42 lines
940 B
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;
}
struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
const char *name)
{
struct snd_card *card = soc_card->snd_card;
struct snd_kcontrol *kctl;
if (unlikely(!name))
return NULL;
list_for_each_entry(kctl, &card->controls, list)
if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
return kctl;
return NULL;
}
EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);