linux-kernel - [PATCH] ASoC: mediatek: Fix unbalanced calls to runtime suspend/resume

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Date:	Tue, 23 Jun 2015 19:01:20 +0800
From:	Koro Chen <koro.chen@...iatek.com>
To:	<matthias.bgg@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
	<tiwai@...e.de>
CC:	<srv_heupstream@...iatek.com>,
	<linux-mediatek@...ts.infradead.org>, <s.hauer@...gutronix.de>,
	<lgirdwood@...il.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <alsa-devel@...a-project.org>,
	Koro Chen <koro.chen@...iatek.com>
Subject: [PATCH] ASoC: mediatek: Fix unbalanced calls to runtime suspend/resume

This adds call to runtime suspend in dev remove. It fixs the problem that
suspend is not called in the case of CONFIG_PM=n. It also fixs build
warning when CONFIG_PM=n.

Signed-off-by: Koro Chen <koro.chen@...iatek.com>
---
 sound/soc/mediatek/mtk-afe-pcm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c
index cc228db..9863da7 100644
--- a/sound/soc/mediatek/mtk-afe-pcm.c
+++ b/sound/soc/mediatek/mtk-afe-pcm.c
@@ -1199,6 +1199,8 @@ err_pm_disable:
 static int mtk_afe_pcm_dev_remove(struct platform_device *pdev)
 {
 	pm_runtime_disable(&pdev->dev);
+	if (!pm_runtime_status_suspended(&pdev->dev))
+		mtk_afe_runtime_suspend(&pdev->dev);
 	snd_soc_unregister_component(&pdev->dev);
 	snd_soc_unregister_platform(&pdev->dev);
 	return 0;
-- 
1.8.1.1.dirty

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