ALSA: ASoC: pxa: fix pxa2xx-ac97 DAI initialization order

After recent changes to codec/DAI initialization order changes, codec
driver (wm9712 in my case) tries to access codec prior to
pxa2xx_ac97_hw_probe() being called (because DAIs are probed after all
codecs are probed). Move hw-related probe/remove/suspend/resume
functions to pxa2xx-ac97 driver level, instead of DAI level.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 25 insertions, 31 deletions

diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index f1059d999de6..ae956e3f4b9d 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -89,33 +89,6 @@ static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
         .filter_data    = &pxa2xx_ac97_pcm_aux_mic_mono_req,
 };
 
-#ifdef CONFIG_PM
-static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai)
-{
-        return pxa2xx_ac97_hw_suspend();
-}
-
-static int pxa2xx_ac97_resume(struct snd_soc_dai *dai)
-{
-        return pxa2xx_ac97_hw_resume();
-}
-
-#else
-#define pxa2xx_ac97_suspend     NULL
-#define pxa2xx_ac97_resume      NULL
-#endif
-
-static int pxa2xx_ac97_probe(struct snd_soc_dai *dai)
-{
-        return pxa2xx_ac97_hw_probe(to_platform_device(dai->dev));
-}
-
-static int pxa2xx_ac97_remove(struct snd_soc_dai *dai)
-{
-        pxa2xx_ac97_hw_remove(to_platform_device(dai->dev));
-        return 0;
-}
-
 static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
                                  struct snd_pcm_hw_params *params,
                                  struct snd_soc_dai *cpu_dai)
@@ -185,10 +158,6 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
 {
         .name = "pxa2xx-ac97",
         .ac97_control = 1,
-        .probe = pxa2xx_ac97_probe,
-        .remove = pxa2xx_ac97_remove,
-        .suspend = pxa2xx_ac97_suspend,
-        .resume = pxa2xx_ac97_resume,
         .playback = {
                 .stream_name = "AC97 Playback",
                 .channels_min = 2,
@@ -246,6 +215,12 @@ static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
                 return -ENXIO;
         }
 
+        ret = pxa2xx_ac97_hw_probe(pdev);
+        if (ret) {
+                dev_err(&pdev->dev, "PXA2xx AC97 hw probe error (%d)\n", ret);
+                return ret;
+        }
+
         ret = snd_soc_set_ac97_ops(&pxa2xx_ac97_ops);
         if (ret != 0)
                 return ret;
@@ -262,15 +237,34 @@ static int pxa2xx_ac97_dev_remove(struct platform_device *pdev)
 {
         snd_soc_unregister_component(&pdev->dev);
         snd_soc_set_ac97_ops(NULL);
+        pxa2xx_ac97_hw_remove(pdev);
         return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int pxa2xx_ac97_dev_suspend(struct device *dev)
+{
+        return pxa2xx_ac97_hw_suspend();
+}
+
+static int pxa2xx_ac97_dev_resume(struct device *dev)
+{
+        return pxa2xx_ac97_hw_resume();
+}
+
+static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops,
+                pxa2xx_ac97_dev_suspend, pxa2xx_ac97_dev_resume);
+#endif
+
 static struct platform_driver pxa2xx_ac97_driver = {
         .probe          = pxa2xx_ac97_dev_probe,
         .remove         = pxa2xx_ac97_dev_remove,
         .driver         = {
                 .name   = "pxa2xx-ac97",
                 .owner  = THIS_MODULE,
+#ifdef CONFIG_PM_SLEEP
+                .pm     = &pxa2xx_ac97_pm_ops,
+#endif
         },
 };