[PATCH 5/7] ASoC: codecs: wcd938x: fix runtime PM imbalance on remove

From: Johan Hovold
Date: Tue Oct 03 2023 - 11:58:53 EST


Make sure to balance the runtime PM operations, including the disable
count, on driver unbind.

Fixes: 16572522aece ("ASoC: codecs: wcd938x-sdw: add SoundWire driver")
Cc: stable@xxxxxxxxxxxxxxx # 5.14
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
sound/soc/codecs/wcd938x.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 679c627f7eaa..d27b919c63b4 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -3620,9 +3620,15 @@ static int wcd938x_probe(struct platform_device *pdev)

static void wcd938x_remove(struct platform_device *pdev)
{
- struct wcd938x_priv *wcd938x = dev_get_drvdata(&pdev->dev);
+ struct device *dev = &pdev->dev;
+ struct wcd938x_priv *wcd938x = dev_get_drvdata(dev);
+
+ component_master_del(dev, &wcd938x_comp_ops);
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+ pm_runtime_dont_use_autosuspend(dev);

- component_master_del(&pdev->dev, &wcd938x_comp_ops);
regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
}
--
2.41.0