From: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Date: Wed, 5 Aug 2015 15:25:31 +0000 (+0200)
Subject: ASoC: fsl_ssi: add AC'97 ops setting check and cleanup
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=04143d614f3af84a3f39e79a24a7ca740bd39efd;p=linux-beck.git

ASoC: fsl_ssi: add AC'97 ops setting check and cleanup

Check whether setting AC'97 ops succeeded and clean them
on removal so the fsl_ssi driver can be reloaded.

Signed-off-by: Maciej Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index f3034b90168f..0b4fcd97c533 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1340,7 +1340,11 @@ static int fsl_ssi_probe(struct platform_device *pdev)
 
 		fsl_ac97_data = ssi_private;
 
-		snd_soc_set_ac97_ops_of_reset(&fsl_ssi_ac97_ops, pdev);
+		ret = snd_soc_set_ac97_ops_of_reset(&fsl_ssi_ac97_ops, pdev);
+		if (ret) {
+			dev_err(&pdev->dev, "could not set AC'97 ops\n");
+			return ret;
+		}
 	} else {
 		/* Initialize this copy of the CPU DAI driver structure */
 		memcpy(&ssi_private->cpu_dai_drv, &fsl_ssi_dai_template,
@@ -1480,6 +1484,9 @@ static int fsl_ssi_remove(struct platform_device *pdev)
 	if (ssi_private->soc->imx)
 		fsl_ssi_imx_clean(pdev, ssi_private);
 
+	if (fsl_ssi_is_ac97(ssi_private))
+		snd_soc_set_ac97_ops(NULL);
+
 	return 0;
 }