linux/sound/soc/soc-link.c
Kuninori Morimoto 0ceef681e3
ASoC: soc-xxx: add asoc_substream_to_rtd()
Current soc-xxx are getting rtd from substream by

	rtd = substream->private_data;

But, getting data from "private_data" is very unclear.
This patch adds asoc_substream_to_rtd() macro which is
easy to understand that rtd from substream.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87wo2z0yve.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-07-23 19:07:19 +01:00

162 lines
3.9 KiB
C

// SPDX-License-Identifier: GPL-2.0
//
// soc-link.c
//
// Copyright (C) 2019 Renesas Electronics Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
//
#include <sound/soc.h>
#include <sound/soc-link.h>
#define soc_link_ret(rtd, ret) _soc_link_ret(rtd, __func__, ret)
static inline int _soc_link_ret(struct snd_soc_pcm_runtime *rtd,
const char *func, int ret)
{
/* Positive, Zero values are not errors */
if (ret >= 0)
return ret;
/* Negative values might be errors */
switch (ret) {
case -EPROBE_DEFER:
case -ENOTSUPP:
break;
default:
dev_err(rtd->dev,
"ASoC: error at %s on %s: %d\n",
func, rtd->dai_link->name, ret);
}
return ret;
}
int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd)
{
int ret = 0;
if (rtd->dai_link->init)
ret = rtd->dai_link->init(rtd);
return soc_link_ret(rtd, ret);
}
void snd_soc_link_exit(struct snd_soc_pcm_runtime *rtd)
{
if (rtd->dai_link->exit)
rtd->dai_link->exit(rtd);
}
int snd_soc_link_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
int ret = 0;
if (rtd->dai_link->be_hw_params_fixup)
ret = rtd->dai_link->be_hw_params_fixup(rtd, params);
return soc_link_ret(rtd, ret);
}
int snd_soc_link_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int ret = 0;
if (rtd->dai_link->ops &&
rtd->dai_link->ops->startup)
ret = rtd->dai_link->ops->startup(substream);
return soc_link_ret(rtd, ret);
}
void snd_soc_link_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
if (rtd->dai_link->ops &&
rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
}
int snd_soc_link_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int ret = 0;
if (rtd->dai_link->ops &&
rtd->dai_link->ops->prepare)
ret = rtd->dai_link->ops->prepare(substream);
return soc_link_ret(rtd, ret);
}
int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int ret = 0;
if (rtd->dai_link->ops &&
rtd->dai_link->ops->hw_params)
ret = rtd->dai_link->ops->hw_params(substream, params);
return soc_link_ret(rtd, ret);
}
void snd_soc_link_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
if (rtd->dai_link->ops &&
rtd->dai_link->ops->hw_free)
rtd->dai_link->ops->hw_free(substream);
}
int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int ret = 0;
if (rtd->dai_link->ops &&
rtd->dai_link->ops->trigger)
ret = rtd->dai_link->ops->trigger(substream, cmd);
return soc_link_ret(rtd, ret);
}
int snd_soc_link_compr_startup(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
int ret = 0;
if (rtd->dai_link->compr_ops &&
rtd->dai_link->compr_ops->startup)
ret = rtd->dai_link->compr_ops->startup(cstream);
return soc_link_ret(rtd, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_link_compr_startup);
void snd_soc_link_compr_shutdown(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
if (rtd->dai_link->compr_ops &&
rtd->dai_link->compr_ops->shutdown)
rtd->dai_link->compr_ops->shutdown(cstream);
}
EXPORT_SYMBOL_GPL(snd_soc_link_compr_shutdown);
int snd_soc_link_compr_set_params(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
int ret = 0;
if (rtd->dai_link->compr_ops &&
rtd->dai_link->compr_ops->set_params)
ret = rtd->dai_link->compr_ops->set_params(cstream);
return soc_link_ret(rtd, ret);
}
EXPORT_SYMBOL_GPL(snd_soc_link_compr_set_params);