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ASoC: soc-pcm: add soc_create_pcm() and simplify soc_new_pcm()

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soc_new_pcm() implementation is very long / verbose / complex,
thus, it is very difficult to read.
If we read it carefully, we can notice that it is consisted by

	int soc_new_pcm(...)
	{
		(1) judging playback/caputre part
		(2) creating the PCM part
		(3) setup pcm/rtd part
	}

This patch adds new soc_create_pcm() for (2) part
and offload it from snd_pcm_new().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/875z3paigi.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
2021-01-22 10:13:43 +09:00
committed by Mark Brown
parent 7fc6bebd58
commit 2b39123b13
1 changed files with 28 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
sound/soc/soc-pcm.c
View File

@@ -2719,18 +2719,12 @@ static int soc_get_playback_capture(struct snd_soc_pcm_runtime *rtd,
return 0;
}
/* create a new pcm */
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
static int soc_create_pcm(struct snd_pcm **pcm,
struct snd_soc_pcm_runtime *rtd,
int playback, int capture, int num)
{
struct snd_soc_component *component;
struct snd_pcm *pcm;
char new_name[64];
int ret = 0, playback = 0, capture = 0;
int i;
ret = soc_get_playback_capture(rtd, &playback, &capture);
if (ret < 0)
return ret;
int ret;
/* create the PCM */
if (rtd->dai_link->params) {
@@ -2738,13 +2732,13 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
rtd->dai_link->stream_name);
ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
playback, capture, &pcm);
playback, capture, pcm);
} else if (rtd->dai_link->no_pcm) {
snprintf(new_name, sizeof(new_name), "(%s)",
rtd->dai_link->stream_name);
ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
playback, capture, &pcm);
playback, capture, pcm);
} else {
if (rtd->dai_link->dynamic)
snprintf(new_name, sizeof(new_name), "%s (*)",
@@ -2756,7 +2750,7 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
"multicodec" : asoc_rtd_to_codec(rtd, 0)->name, num);
ret = snd_pcm_new(rtd->card->snd_card, new_name, num, playback,
capture, &pcm);
capture, pcm);
}
if (ret < 0) {
dev_err(rtd->card->dev, "ASoC: can't create pcm %s for dailink %s: %d\n",
@@ -2765,6 +2759,25 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
}
dev_dbg(rtd->card->dev, "ASoC: registered pcm #%d %s\n",num, new_name);
return 0;
}
/* create a new pcm */
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
{
struct snd_soc_component *component;
struct snd_pcm *pcm;
int ret = 0, playback = 0, capture = 0;
int i;
ret = soc_get_playback_capture(rtd, &playback, &capture);
if (ret < 0)
return ret;
ret = soc_create_pcm(&pcm, rtd, playback, capture, num);
if (ret < 0)
return ret;
/* DAPM dai link stream work */
if (rtd->dai_link->params)
rtd->close_delayed_work_func = codec2codec_close_delayed_work;
@@ -2825,8 +2838,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
ret = snd_soc_pcm_component_new(rtd);
if (ret < 0) {
dev_err(rtd->dev, "ASoC: pcm %s constructor failed for dailink %s: %d\n",
new_name, rtd->dai_link->name, ret);
dev_err(rtd->dev, "ASoC: pcm constructor failed for dailink %s: %d\n",
rtd->dai_link->name, ret);
return ret;
}