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ASoC: soc-core: remove bus_control

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Now, snd_soc_dai_driver::bus_control is used for how to resume.
But, no driver which has bus_control has DAI driver suspend/resume
support.
This patch removes pointless bus_control from ALSA SoC.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pnffx7i4.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2020-01-20 10:05:07 +09:00 committed by Mark Brown
parent 450312b640
commit 250a15cf57
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
12 changed files with 3 additions and 35 deletions
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1
include/sound/soc-dai.h
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@ -302,7 +302,6 @@ struct snd_soc_dai_driver {
unsigned int symmetric_rates:1;
unsigned int symmetric_channels:1;
unsigned int symmetric_samplebits:1;
unsigned int bus_control:1; /* DAI is also used for the control bus */
/* probe ordering - for components with runtime dependencies */
int probe_order;

1
sound/soc/au1x/ac97c.c
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@ -206,7 +206,6 @@ static int au1xac97c_dai_probe(struct snd_soc_dai *dai)
static struct snd_soc_dai_driver au1xac97c_dai_driver = {
.name = "alchemy-ac97c",
.bus_control = true,
.probe = au1xac97c_dai_probe,
.playback = {
.rates = AC97_RATES,

1
sound/soc/au1x/psc-ac97.c
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@ -339,7 +339,6 @@ static const struct snd_soc_dai_ops au1xpsc_ac97_dai_ops = {
};
static const struct snd_soc_dai_driver au1xpsc_ac97_dai_template = {
.bus_control = true,
.probe = au1xpsc_ac97_probe,
.playback = {
.rates = AC97_RATES,

1
sound/soc/cirrus/ep93xx-ac97.c
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@ -336,7 +336,6 @@ static const struct snd_soc_dai_ops ep93xx_ac97_dai_ops = {
static struct snd_soc_dai_driver ep93xx_ac97_dai = {
.name = "ep93xx-ac97",
.id = 0,
.bus_control = true,
.probe = ep93xx_ac97_dai_probe,
.playback = {
.stream_name = "AC97 Playback",

1
sound/soc/fsl/fsl_ssi.c
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@ -1136,7 +1136,6 @@ static const struct snd_soc_component_driver fsl_ssi_component = {
};
static struct snd_soc_dai_driver fsl_ssi_ac97_dai = {
.bus_control = true,
.symmetric_channels = 1,
.probe = fsl_ssi_dai_probe,
.playback = {

1
sound/soc/fsl/imx-ssi.c
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@ -373,7 +373,6 @@ static struct snd_soc_dai_driver imx_ssi_dai = {
static struct snd_soc_dai_driver imx_ac97_dai = {
.probe = imx_ssi_dai_probe,
.bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,

2
sound/soc/fsl/mpc5200_psc_ac97.c
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@ -233,7 +233,6 @@ static const struct snd_soc_dai_ops psc_ac97_digital_ops = {
static struct snd_soc_dai_driver psc_ac97_dai[] = {
{
.name = "mpc5200-psc-ac97.0",
.bus_control = true,
.probe = psc_ac97_probe,
.playback = {
.stream_name = "AC97 Playback",
@ -253,7 +252,6 @@ static struct snd_soc_dai_driver psc_ac97_dai[] = {
},
{
.name = "mpc5200-psc-ac97.1",
.bus_control = true,
.playback = {
.stream_name = "AC97 SPDIF",
.channels_min = 1,

3
sound/soc/pxa/pxa2xx-ac97.c
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@ -157,7 +157,6 @@ static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
{
.name = "pxa2xx-ac97",
.bus_control = true,
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
@ -174,7 +173,6 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
},
{
.name = "pxa2xx-ac97-aux",
.bus_control = true,
.playback = {
.stream_name = "AC97 Aux Playback",
.channels_min = 1,
@ -191,7 +189,6 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
},
{
.name = "pxa2xx-ac97-mic",
.bus_control = true,
.capture = {
.stream_name = "AC97 Mic Capture",
.channels_min = 1,

1
sound/soc/sh/hac.c
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@ -270,7 +270,6 @@ static const struct snd_soc_dai_ops hac_dai_ops = {
static struct snd_soc_dai_driver sh4_hac_dai[] = {
{
.name = "hac-dai.0",
.bus_control = true,
.playback = {
.rates = AC97_RATES,
.formats = AC97_FMTS,

24
sound/soc/soc-core.c
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@ -712,8 +712,6 @@ static void soc_resume_deferred(struct work_struct *work)
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
bool bus_control = false;
struct snd_soc_pcm_runtime *rtd;
struct snd_soc_component *component;
/* If the card is not initialized yet there is nothing to do */
@ -725,25 +723,9 @@ int snd_soc_resume(struct device *dev)
if (component->active)
pinctrl_pm_select_default_state(component->dev);
/*
* DAIs that also act as the control bus master might have other drivers
* hanging off them so need to resume immediately. Other drivers don't
* have that problem and may take a substantial amount of time to resume
* due to I/O costs and anti-pop so handle them out of line.
*/
for_each_card_rtds(card, rtd) {
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
bus_control |= cpu_dai->driver->bus_control;
}
if (bus_control) {
dev_dbg(dev, "ASoC: Resuming control bus master immediately\n");
soc_resume_deferred(&card->deferred_resume_work);
} else {
dev_dbg(dev, "ASoC: Scheduling resume work\n");
if (!schedule_work(&card->deferred_resume_work))
dev_err(dev, "ASoC: resume work item may be lost\n");
}
dev_dbg(dev, "ASoC: Scheduling resume work\n");
if (!schedule_work(&card->deferred_resume_work))
dev_err(dev, "ASoC: resume work item may be lost\n");
return 0;
}

1
sound/soc/tegra/tegra20_ac97.c
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@ -219,7 +219,6 @@ static int tegra20_ac97_probe(struct snd_soc_dai *dai)
static struct snd_soc_dai_driver tegra20_ac97_dai = {
.name = "tegra-ac97-pcm",
.bus_control = true,
.probe = tegra20_ac97_probe,
.playback = {
.stream_name = "PCM Playback",

1
sound/soc/txx9/txx9aclc-ac97.c
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@ -148,7 +148,6 @@ static int txx9aclc_ac97_remove(struct snd_soc_dai *dai)
}
static struct snd_soc_dai_driver txx9aclc_ac97_dai = {
.bus_control = true,
.probe = txx9aclc_ac97_probe,
.remove = txx9aclc_ac97_remove,
.playback = {