ASoC: sun4i-i2s: Switch to devm for PCM register

Since the introduction of the driver, a new managed helper for the
dmaengine PCM registration has been created. Let's use it to simplify a bit
our probe and remove functions.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://lore.kernel.org/r/606d271187091e858e8c15e20555af0b79798fe1.1566242458.git-series.maxime.ripard@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index d97d694c48dfed0dc0be92c6de5170d34ce4cdd8..70608fa30bf20a1d7758a7ec631dd101cc6db812 100644 (file)
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -1154,7 +1154,7 @@ static int sun4i_i2s_probe(struct platform_device *pdev)
                goto err_suspend;
        }
 
-       ret = snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
+       ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
        if (ret) {
                dev_err(&pdev->dev, "Could not register PCM\n");
                goto err_suspend;
@@ -1183,8 +1183,6 @@ static int sun4i_i2s_remove(struct platform_device *pdev)
 {
        struct sun4i_i2s *i2s = dev_get_drvdata(&pdev->dev);
 
-       snd_dmaengine_pcm_unregister(&pdev->dev);
-
        pm_runtime_disable(&pdev->dev);
        if (!pm_runtime_status_suspended(&pdev->dev))
                sun4i_i2s_runtime_suspend(&pdev->dev);