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ASoC: swr-dmic: Add ignore suspend for dapm widgets

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Add ignore suspend for dapm widgets to avoid waking up the
system during power collapse.

Change-Id: I4eec9785f2e722d1fbcbf26c2635af9825b30115
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi
2020-06-05 10:15:18 +05:30
parent 1db5a7d432
commit 6f0a3e6cb8
1 changed files with 29 additions and 0 deletions
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29
asoc/codecs/swr-dmic.c
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@@ -325,11 +325,38 @@ static int swr_dmic_codec_probe(struct snd_soc_component *component)
{ {
struct swr_dmic_priv *swr_dmic = struct swr_dmic_priv *swr_dmic =
snd_soc_component_get_drvdata(component); snd_soc_component_get_drvdata(component);
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
char w_name[100];
if (!swr_dmic) if (!swr_dmic)
return -EINVAL; return -EINVAL;
swr_dmic->component = component; swr_dmic->component = component;
snd_soc_dapm_ignore_suspend(dapm,
swr_dmic->dai_driver->capture.stream_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SWR_DMIC", 100);
snd_soc_dapm_ignore_suspend(dapm, w_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SMIC_SUPPLY", 100);
snd_soc_dapm_ignore_suspend(dapm, w_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SMIC_PORT_EN", 100);
snd_soc_dapm_ignore_suspend(dapm, w_name);
memset(w_name, 0, 100);
strlcpy(w_name, component->name_prefix, 100);
strlcat(w_name, " SWR_DMIC_OUTPUT", 100);
snd_soc_dapm_ignore_suspend(dapm, w_name);
snd_soc_dapm_sync(dapm);
return 0; return 0;
} }
@@ -624,6 +651,8 @@ static int swr_dmic_down(struct swr_device *pdev)
return -EINVAL; return -EINVAL;
} }
dev_dbg(&pdev->dev, "%s: is_en_supply: %d\n",
__func__, swr_dmic->is_en_supply);
--swr_dmic->is_en_supply; --swr_dmic->is_en_supply;
if (swr_dmic->is_en_supply < 0) { if (swr_dmic->is_en_supply < 0) {
dev_warn(&pdev->dev, "%s: mismatch in supply count %d\n", dev_warn(&pdev->dev, "%s: mismatch in supply count %d\n",