ASoC: jz4740: Convert qi_lb60 to use snd_soc_register_card()

Use snd_soc_register_card() instead of creating a "soc-audio" platform device.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 32 insertions, 30 deletions

diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 639e3ce6c264..9a91fe9de696 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -418,6 +418,11 @@ static struct platform_device qi_lb60_charger_device = {
         },
 };
 
+/* audio */
+static struct platform_device qi_lb60_audio_device = {
+        .name = "qi-lb60-audio",
+        .id = -1,
+};
 
 static struct platform_device *jz_platform_devices[] __initdata = {
         &jz4740_udc_device,
@@ -434,6 +439,7 @@ static struct platform_device *jz_platform_devices[] __initdata = {
         &qi_lb60_gpio_keys,
         &qi_lb60_pwm_beeper,
         &qi_lb60_charger_device,
+        &qi_lb60_audio_device,
 };
 
 static void __init board_gpio_setup(void)
diff --git a/sound/soc/jz4740/qi_lb60.c b/sound/soc/jz4740/qi_lb60.c
index 0097c3b13a1a..e8aaff18d7cc 100644
--- a/sound/soc/jz4740/qi_lb60.c
+++ b/sound/soc/jz4740/qi_lb60.c
@@ -91,56 +91,52 @@ static struct snd_soc_card qi_lb60 = {
         .num_dapm_routes = ARRAY_SIZE(qi_lb60_routes),
 };
 
-static struct platform_device *qi_lb60_snd_device;
-
 static const struct gpio qi_lb60_gpios[] = {
         { QI_LB60_SND_GPIO, GPIOF_OUT_INIT_LOW, "SND" },
         { QI_LB60_AMP_GPIO, GPIOF_OUT_INIT_LOW, "AMP" },
 };
 
-static int __init qi_lb60_init(void)
+static int __devinit qi_lb60_probe(struct platform_device *pdev)
 {
+        struct snd_soc_card *card = &qi_lb60;
         int ret;
 
-        qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
-
-        if (!qi_lb60_snd_device)
-                return -ENOMEM;
-
         ret = gpio_request_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
-        if (ret) {
-                pr_err("qi_lb60 snd: Failed to request gpios: %d\n", ret);
-                goto err_device_put;
-        }
+        if (ret)
+                return ret;
 
-        platform_set_drvdata(qi_lb60_snd_device, &qi_lb60);
+        card->dev = &pdev->dev;
 
-        ret = platform_device_add(qi_lb60_snd_device);
+        ret = snd_soc_register_card(card);
         if (ret) {
-                pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
-                goto err_unset_pdata;
+                dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+                        ret);
+                gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
         }
-
-         return 0;
-
-err_unset_pdata:
-        platform_set_drvdata(qi_lb60_snd_device, NULL);
-/*err_gpio_free_array:*/
-        gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
-err_device_put:
-        platform_device_put(qi_lb60_snd_device);
-
         return ret;
 }
-module_init(qi_lb60_init);
 
-static void __exit qi_lb60_exit(void)
+static int __devexit qi_lb60_remove(struct platform_device *pdev)
 {
-        platform_device_unregister(qi_lb60_snd_device);
+        struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+        snd_soc_unregister_card(card);
         gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
+        return 0;
 }
-module_exit(qi_lb60_exit);
+
+static struct platform_driver qi_lb60_driver = {
+        .driver         = {
+                .name   = "qi-lb60-audio",
+                .owner  = THIS_MODULE,
+        },
+        .probe          = qi_lb60_probe,
+        .remove         = __devexit_p(qi_lb60_remove),
+};
+
+module_platform_driver(qi_lb60_driver);
 
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qi-lb60-audio");