Unverified Commit 7d945b04 authored by Olivier Moysan's avatar Olivier Moysan Committed by Mark Brown
Browse files

ASoC: stm32: dfsdm: manage cb buffers cleanup 



Ensure that resources allocated by iio_channel_get_all_cb()
are released on driver unbind.

Signed-off-by: default avatarOlivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20221109170849.273719-1-olivier.moysan@foss.st.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 89cdb224

sound/soc/stm/stm32_adfsdm.c

+11 −0
Original line number Diff line number Diff line
@@ -304,6 +304,11 @@ static int stm32_adfsdm_dummy_cb(const void *data, void *private) 
	return 0;

}



static void stm32_adfsdm_cleanup(void *data)

{

	iio_channel_release_all_cb(data);

}



static struct snd_soc_component_driver stm32_adfsdm_soc_platform = {

	.open		= stm32_adfsdm_pcm_open,

	.close		= stm32_adfsdm_pcm_close,
@@ -350,6 +355,12 @@ static int stm32_adfsdm_probe(struct platform_device *pdev) 
	if (IS_ERR(priv->iio_cb))

		return PTR_ERR(priv->iio_cb);



	ret = devm_add_action_or_reset(&pdev->dev, stm32_adfsdm_cleanup, priv->iio_cb);

	if (ret < 0)  {

		dev_err(&pdev->dev, "Unable to add action\n");

		return ret;

	}



	component = devm_kzalloc(&pdev->dev, sizeof(*component), GFP_KERNEL);

	if (!component)

		return -ENOMEM;