ASoC: edb93xx: convert to use snd_soc_register_card()

Current method for machine driver to register with the ASoC core is to use
snd_soc_register_card() instead of creating a "soc-audio" platform device.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/ep93xx/edb93xx.c b/sound/soc/ep93xx/edb93xx.c
index d3aa151..0134d4e 100644 (file)
--- a/sound/soc/ep93xx/edb93xx.c
+++ b/sound/soc/ep93xx/edb93xx.c
@@ -28,12 +28,6 @@
 #include <mach/hardware.h>
 #include "ep93xx-pcm.h"
 
-#define edb93xx_has_audio() (machine_is_edb9301() ||   \
-                            machine_is_edb9302() ||    \
-                            machine_is_edb9302a() ||   \
-                            machine_is_edb9307a() ||   \
-                            machine_is_edb9315a())
-
 static int edb93xx_hw_params(struct snd_pcm_substream *substream,
                             struct snd_pcm_hw_params *params)
 {
@@ -94,49 +88,61 @@ static struct snd_soc_card snd_soc_edb93xx = {
        .num_links      = 1,
 };
 
-static struct platform_device *edb93xx_snd_device;
-
-static int __init edb93xx_init(void)
+static int __devinit edb93xx_probe(struct platform_device *pdev)
 {
+       struct snd_soc_card *card = &snd_soc_edb93xx;
        int ret;
 
-       if (!edb93xx_has_audio())
-               return -ENODEV;
-
        ret = ep93xx_i2s_acquire(EP93XX_SYSCON_DEVCFG_I2SONAC97,
                                 EP93XX_SYSCON_I2SCLKDIV_ORIDE |
                                 EP93XX_SYSCON_I2SCLKDIV_SPOL);
        if (ret)
                return ret;
 
-       edb93xx_snd_device = platform_device_alloc("soc-audio", -1);
-       if (!edb93xx_snd_device) {
-               ret = -ENOMEM;
-               goto free_i2s;
+       card->dev = &pdev->dev;
+
+       ret = snd_soc_register_card(card);
+       if (ret) {
+               dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+                       ret);
+               ep93xx_i2s_release();
        }
 
-       platform_set_drvdata(edb93xx_snd_device, &snd_soc_edb93xx);
-       ret = platform_device_add(edb93xx_snd_device);
-       if (ret)
-               goto device_put;
+       return ret;
+}
 
-       return 0;
+static int __devexit edb93xx_remove(struct platform_device *pdev)
+{
+       struct snd_soc_card *card = platform_get_drvdata(pdev);
 
-device_put:
-       platform_device_put(edb93xx_snd_device);
-free_i2s:
+       snd_soc_unregister_card(card);
        ep93xx_i2s_release();
-       return ret;
+
+       return 0;
+}
+
+static struct platform_driver edb93xx_driver = {
+       .driver         = {
+               .name   = "edb93xx-audio",
+               .owner  = THIS_MODULE,
+       },
+       .probe          = edb93xx_probe,
+       .remove         = __devexit_p(edb93xx_remove),
+};
+
+static int __init edb93xx_init(void)
+{
+       return platform_driver_register(&edb93xx_driver);
 }
 module_init(edb93xx_init);
 
 static void __exit edb93xx_exit(void)
 {
-       platform_device_unregister(edb93xx_snd_device);
-       ep93xx_i2s_release();
+       platform_driver_unregister(&edb93xx_driver);
 }
 module_exit(edb93xx_exit);
 
 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
 MODULE_DESCRIPTION("ALSA SoC EDB93xx");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:edb93xx-audio");