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 f3034b9..0b4fcd9 100644 (file)
--- 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;
 }