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

From: Maciej S. Szmigiero
Date: Sun Jun 28 2015 - 09:48:10 EST


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>
---
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 f3034b9..0b4fcd9 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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