[PATCH 4/6][RESEND] ASoC: fsl_ssi: add AC'97 ops setting check and cleanup

[Maciej S. Szmigiero]

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@xxxxxxxxxxxxxxxxxxxxx>
---
This is a resend without changes, to keep the whole series
together.

 sound/soc/fsl/fsl_ssi.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 7f4f0b9..154bcf6 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;
 }
 

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