[PATCH 0/5] ASoC: Convert pxa machine drivers to use use snd_soc_register_card()

[PATCH 0/5] ASoC: Convert pxa machine drivers to use use snd_soc_register_card()

[Axel Lin]

This serial converts some pxa machine drivers to use use snd_soc_register_card().

Note: I don't have these hardware, so I appreciate if someone can test these patches.

Axel Lin (5):
  ASoC: pxa: Convert e740_wm9705 to use snd_soc_register_card()
  ASoC: pxa: Convert e750_wm9705 to use snd_soc_register_card()
  ASoC: pxa: Convert e800_wm9712 to use snd_soc_register_card()
  ASoC: pxa: Convert imote2 to use snd_soc_register_card()
  ASoC: pxa: Convert tosa to use snd_soc_register_card()

 arch/arm/mach-pxa/eseries.c   |   18 +++++++++
 arch/arm/mach-pxa/stargate2.c |    6 +++
 arch/arm/mach-pxa/tosa.c      |    6 +++
 sound/soc/pxa/e740_wm9705.c   |   75 +++++++++++++++++-----------------------
 sound/soc/pxa/e750_wm9705.c   |   66 ++++++++++++++++------------------
 sound/soc/pxa/e800_wm9712.c   |   66 ++++++++++++++++------------------
 sound/soc/pxa/imote2.c        |   41 +++++++++++++---------
 sound/soc/pxa/tosa.c          |   77 ++++++++++++++++-------------------------
 8 files changed, 178 insertions(+), 177 deletions(-)

-- 
1.7.5.4

[PATCH 1/5] ASoC: pxa: Convert e740_wm9705 to use snd_soc_register_card()

[Axel Lin]

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

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 arch/arm/mach-pxa/eseries.c |    6 +++
 sound/soc/pxa/e740_wm9705.c |   75 ++++++++++++++++++------------------------
 2 files changed, 38 insertions(+), 43 deletions(-)

diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c
index f79a610..b411779 100644
--- a/arch/arm/mach-pxa/eseries.c
+++ b/arch/arm/mach-pxa/eseries.c
@@ -528,12 +528,18 @@ static struct platform_device e740_t7l66xb_device = {
 	.resource      = eseries_tmio_resources,
 };
 
+static struct platform_device e740_audio_device = {
+	.name		= "e740-audio",
+	.id		= -1,
+};
+
 /* ----------------------------------------------------------------------- */
 
 static struct platform_device *e740_devices[] __initdata = {
 	&e740_fb_device,
 	&e740_t7l66xb_device,
 	&e7xx_gpio_vbus,
+	&e740_audio_device,
 };
 
 static void __init e740_init(void)
diff --git a/sound/soc/pxa/e740_wm9705.c b/sound/soc/pxa/e740_wm9705.c
index 818dc57..203ab78a 100644
--- a/sound/soc/pxa/e740_wm9705.c
+++ b/sound/soc/pxa/e740_wm9705.c
@@ -137,66 +137,55 @@ static struct snd_soc_card e740 = {
 	.num_links = ARRAY_SIZE(e740_dai),
 };
 
-static struct platform_device *e740_snd_device;
+static struct gpio e740_audio_gpios[] = {
+	{ GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp" },
+	{ GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW, "Output amp" },
+	{ GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH, "Audio power" },
+};
 
-static int __init e740_init(void)
+static int __devinit e740_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &e740;
 	int ret;
 
-	if (!machine_is_e740())
-		return -ENODEV;
-
-	/* Disable audio */
-	ret = gpio_request_one(GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp");
+	ret = gpio_request_array(e740_audio_gpios,
+				 ARRAY_SIZE(e740_audio_gpios));
 	if (ret)
 		return ret;
 
-	ret = gpio_request_one(GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW,
-			       "Output amp");
-	if (ret)
-		goto free_mic_amp_gpio;
+	card->dev = &pdev->dev;
 
-	ret = gpio_request_one(GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH,
-			   "Audio power");
-	if (ret)
-		goto free_op_amp_gpio;
-
-	e740_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!e740_snd_device) {
-		ret = -ENOMEM;
-		goto free_apwr_gpio;
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
+		gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
 	}
-
-	platform_set_drvdata(e740_snd_device, &e740);
-	ret = platform_device_add(e740_snd_device);
-
-	if (!ret)
-		return 0;
-
-/* Fail gracefully */
-	platform_device_put(e740_snd_device);
-free_apwr_gpio:
-	gpio_free(GPIO_E740_WM9705_nAVDD2);
-free_op_amp_gpio:
-	gpio_free(GPIO_E740_AMP_ON);
-free_mic_amp_gpio:
-	gpio_free(GPIO_E740_MIC_ON);
-
 	return ret;
 }
 
-static void __exit e740_exit(void)
+static int __devexit e740_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(e740_snd_device);
-	gpio_free(GPIO_E740_WM9705_nAVDD2);
-	gpio_free(GPIO_E740_AMP_ON);
-	gpio_free(GPIO_E740_MIC_ON);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
+	snd_soc_unregister_card(card);
+	return 0;
 }
 
-module_init(e740_init);
-module_exit(e740_exit);
+static struct platform_driver e740_driver = {
+	.driver		= {
+		.name	= "e740-audio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= e740_probe,
+	.remove		= __devexit_p(e740_remove),
+};
+
+module_platform_driver(e740_driver);
 
 /* Module information */
 MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
 MODULE_DESCRIPTION("ALSA SoC driver for e740");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:e740-audio");
-- 
1.7.5.4

[PATCH 2/5] ASoC: pxa: Convert e750_wm9705 to use snd_soc_register_card()

[Axel Lin]

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

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 arch/arm/mach-pxa/eseries.c |    6 ++++
 sound/soc/pxa/e750_wm9705.c |   66 ++++++++++++++++++++----------------------
 2 files changed, 37 insertions(+), 35 deletions(-)

diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c
index b411779..fe52d5c 100644
--- a/arch/arm/mach-pxa/eseries.c
+++ b/arch/arm/mach-pxa/eseries.c
@@ -728,12 +728,18 @@ static struct platform_device e750_tc6393xb_device = {
 	.resource      = eseries_tmio_resources,
 };
 
+static struct platform_device e750_audio_device = {
+	.name		= "e750-audio",
+	.id		= -1,
+};
+
 /* ------------------------------------------------------------- */
 
 static struct platform_device *e750_devices[] __initdata = {
 	&e750_fb_device,
 	&e750_tc6393xb_device,
 	&e7xx_gpio_vbus,
+	&e750_audio_device,
 };
 
 static void __init e750_init(void)
diff --git a/sound/soc/pxa/e750_wm9705.c b/sound/soc/pxa/e750_wm9705.c
index 55c53d1..27f90cc 100644
--- a/sound/soc/pxa/e750_wm9705.c
+++ b/sound/soc/pxa/e750_wm9705.c
@@ -120,58 +120,54 @@ static struct snd_soc_card e750 = {
 	.num_links = ARRAY_SIZE(e750_dai),
 };
 
-static struct platform_device *e750_snd_device;
+static struct gpio e750_audio_gpios[] = {
+	{ GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
+	{ GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
+};
 
-static int __init e750_init(void)
+static int __devinit e750_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &e750;
 	int ret;
 
-	if (!machine_is_e750())
-		return -ENODEV;
-
-	ret = gpio_request_one(GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH,
-			       "Headphone amp");
+	ret = gpio_request_array(e750_audio_gpios,
+				 ARRAY_SIZE(e750_audio_gpios));
 	if (ret)
 		return ret;
 
-	ret = gpio_request_one(GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH,
-			       "Speaker amp");
-	if (ret)
-		goto free_hp_amp_gpio;
+	card->dev = &pdev->dev;
 
-	e750_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!e750_snd_device) {
-		ret = -ENOMEM;
-		goto free_spk_amp_gpio;
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
+		gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
 	}
-
-	platform_set_drvdata(e750_snd_device, &e750);
-	ret = platform_device_add(e750_snd_device);
-
-	if (!ret)
-		return 0;
-
-/* Fail gracefully */
-	platform_device_put(e750_snd_device);
-free_spk_amp_gpio:
-	gpio_free(GPIO_E750_SPK_AMP_OFF);
-free_hp_amp_gpio:
-	gpio_free(GPIO_E750_HP_AMP_OFF);
-
 	return ret;
 }
 
-static void __exit e750_exit(void)
+static int __devexit e750_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(e750_snd_device);
-	gpio_free(GPIO_E750_SPK_AMP_OFF);
-	gpio_free(GPIO_E750_HP_AMP_OFF);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
+	snd_soc_unregister_card(card);
+	return 0;
 }
 
-module_init(e750_init);
-module_exit(e750_exit);
+static struct platform_driver e750_driver = {
+	.driver		= {
+		.name	= "e750-audio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= e750_probe,
+	.remove		= __devexit_p(e750_remove),
+};
+
+module_platform_driver(e750_driver);
 
 /* Module information */
 MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
 MODULE_DESCRIPTION("ALSA SoC driver for e750");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:e750-audio");
-- 
1.7.5.4

[PATCH 3/5] ASoC: pxa: Convert e800_wm9712 to use snd_soc_register_card()

[Axel Lin]

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

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 arch/arm/mach-pxa/eseries.c |    6 ++++
 sound/soc/pxa/e800_wm9712.c |   66 ++++++++++++++++++++----------------------
 2 files changed, 37 insertions(+), 35 deletions(-)

diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c
index fe52d5c..4cb2391 100644
--- a/arch/arm/mach-pxa/eseries.c
+++ b/arch/arm/mach-pxa/eseries.c
@@ -941,12 +941,18 @@ static struct platform_device e800_tc6393xb_device = {
 	.resource      = eseries_tmio_resources,
 };
 
+static struct platform_device e800_audio_device = {
+	.name		= "e800-audio",
+	.id		= -1,
+};
+
 /* ----------------------------------------------------------------------- */
 
 static struct platform_device *e800_devices[] __initdata = {
 	&e800_fb_device,
 	&e800_tc6393xb_device,
 	&e800_gpio_vbus,
+	&e800_audio_device,
 };
 
 static void __init e800_init(void)
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
index 478ff19..858bf94 100644
--- a/sound/soc/pxa/e800_wm9712.c
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -110,58 +110,54 @@ static struct snd_soc_card e800 = {
 	.num_links = ARRAY_SIZE(e800_dai),
 };
 
-static struct platform_device *e800_snd_device;
+static struct gpio e800_audio_gpios[] = {
+	{ GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
+	{ GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
+};
 
-static int __init e800_init(void)
+static int __devinit e800_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &e800;
 	int ret;
 
-	if (!machine_is_e800())
-		return -ENODEV;
-
-	ret = gpio_request_one(GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH,
-			       "Headphone amp");
+	ret = gpio_request_array(e800_audio_gpios,
+				 ARRAY_SIZE(e800_audio_gpios));
 	if (ret)
 		return ret;
 
-	ret = gpio_request_one(GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH,
-			       "Speaker amp");
-	if (ret)
-		goto free_hp_amp_gpio;
+	card->dev = &pdev->dev;
 
-	e800_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!e800_snd_device) {
-		ret = -ENOMEM;
-		goto free_spk_amp_gpio;
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
+		gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
 	}
-
-	platform_set_drvdata(e800_snd_device, &e800);
-	ret = platform_device_add(e800_snd_device);
-
-	if (!ret)
-		return 0;
-
-/* Fail gracefully */
-	platform_device_put(e800_snd_device);
-free_spk_amp_gpio:
-	gpio_free(GPIO_E800_SPK_AMP_ON);
-free_hp_amp_gpio:
-	gpio_free(GPIO_E800_HP_AMP_OFF);
-
 	return ret;
 }
 
-static void __exit e800_exit(void)
+static int __devexit e800_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(e800_snd_device);
-	gpio_free(GPIO_E800_SPK_AMP_ON);
-	gpio_free(GPIO_E800_HP_AMP_OFF);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
+	snd_soc_unregister_card(card);
+	return 0;
 }
 
-module_init(e800_init);
-module_exit(e800_exit);
+static struct platform_driver e800_driver = {
+	.driver		= {
+		.name	= "e800-audio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= e800_probe,
+	.remove		= __devexit_p(e800_remove),
+};
+
+module_platform_driver(e800_driver);
 
 /* Module information */
 MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
 MODULE_DESCRIPTION("ALSA SoC driver for e800");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:e800-audio");
-- 
1.7.5.4

[PATCH 4/5] ASoC: pxa: Convert imote2 to use snd_soc_register_card()

[Axel Lin]

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

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 arch/arm/mach-pxa/stargate2.c |    6 ++++++
 sound/soc/pxa/imote2.c        |   41 ++++++++++++++++++++++++-----------------
 2 files changed, 30 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index d8a2467..b0656e15 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -593,10 +593,16 @@ static struct pxa2xx_udc_mach_info imote2_udc_info __initdata = {
 	.udc_command		= sg2_udc_command,
 };
 
+static struct platform_device imote2_audio_device = {
+	.name = "imote2-audio",
+	.id   = -1,
+};
+
 static struct platform_device *imote2_devices[] = {
 	&stargate2_flash_device,
 	&imote2_leds,
 	&sht15,
+	&imote2_audio_device,
 };
 
 static void __init imote2_init(void)
diff --git a/sound/soc/pxa/imote2.c b/sound/soc/pxa/imote2.c
index 154fc6f..97d3aec 100644
--- a/sound/soc/pxa/imote2.c
+++ b/sound/soc/pxa/imote2.c
@@ -70,39 +70,46 @@ static struct snd_soc_dai_link imote2_dai = {
 	.ops = &imote2_asoc_ops,
 };
 
-static struct snd_soc_card snd_soc_imote2 = {
+static struct snd_soc_card imote2 = {
 	.name = "Imote2",
 	.dai_link = &imote2_dai,
 	.num_links = 1,
 };
 
-static struct platform_device *imote2_snd_device;
-
-static int __init imote2_asoc_init(void)
+static int __devinit imote2_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &imote2;
 	int ret;
 
-	if (!machine_is_intelmote2())
-		return -ENODEV;
-	imote2_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!imote2_snd_device)
-		return -ENOMEM;
+	card->dev = &pdev->dev;
 
-	platform_set_drvdata(imote2_snd_device, &snd_soc_imote2);
-	ret = platform_device_add(imote2_snd_device);
+	ret = snd_soc_register_card(card);
 	if (ret)
-		platform_device_put(imote2_snd_device);
-
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
 	return ret;
 }
-module_init(imote2_asoc_init);
 
-static void __exit imote2_asoc_exit(void)
+static int __devexit imote2_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(imote2_snd_device);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	snd_soc_unregister_card(card);
+	return 0;
 }
-module_exit(imote2_asoc_exit);
+
+static struct platform_driver imote2_driver = {
+	.driver		= {
+		.name	= "imote2-audio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= imote2_probe,
+	.remove		= __devexit_p(imote2_remove),
+};
+
+module_platform_driver(imote2_driver);
 
 MODULE_AUTHOR("Jonathan Cameron");
 MODULE_DESCRIPTION("ALSA SoC Imote 2");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:imote2-audio");
-- 
1.7.5.4

[PATCH 5/5] ASoC: pxa: Convert tosa to use snd_soc_register_card()

[Axel Lin]

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

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 arch/arm/mach-pxa/tosa.c |    6 +++
 sound/soc/pxa/tosa.c     |   77 ++++++++++++++++++----------------------------
 2 files changed, 36 insertions(+), 47 deletions(-)

diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 7ce5c43..4d4eb60 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -889,6 +889,11 @@ static struct platform_device wm9712_device = {
 	.id	= -1,
 };
 
+static struct platform_device tosa_audio_device = {
+	.name	= "tosa-audio",
+	.id	= -1,
+};
+
 static struct platform_device *devices[] __initdata = {
 	&tosascoop_device,
 	&tosascoop_jc_device,
@@ -901,6 +906,7 @@ static struct platform_device *devices[] __initdata = {
 	&sharpsl_rom_device,
 	&wm9712_device,
 	&tosa_gpio_vbus,
+	&tosa_audio_device,
 };
 
 static void tosa_poweroff(void)
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index 620fc69..3f394de 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -34,8 +34,6 @@
 #include "../codecs/wm9712.h"
 #include "pxa2xx-ac97.h"
 
-static struct snd_soc_card tosa;
-
 #define TOSA_HP        0
 #define TOSA_MIC_INT   1
 #define TOSA_HEADSET   2
@@ -236,70 +234,55 @@ static struct snd_soc_dai_link tosa_dai[] = {
 },
 };
 
-static int tosa_probe(struct snd_soc_card *card)
-{
-	int ret;
-
-	ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack");
-	if (ret)
-		return ret;
-	ret = gpio_direction_output(TOSA_GPIO_L_MUTE, 0);
-	if (ret)
-		gpio_free(TOSA_GPIO_L_MUTE);
-
-	return ret;
-}
-
-static int tosa_remove(struct snd_soc_card *card)
-{
-	gpio_free(TOSA_GPIO_L_MUTE);
-	return 0;
-}
-
 static struct snd_soc_card tosa = {
 	.name = "Tosa",
 	.dai_link = tosa_dai,
 	.num_links = ARRAY_SIZE(tosa_dai),
-	.probe = tosa_probe,
-	.remove = tosa_remove,
 };
 
-static struct platform_device *tosa_snd_device;
-
-static int __init tosa_init(void)
+static int __devinit tosa_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &tosa;
 	int ret;
 
-	if (!machine_is_tosa())
-		return -ENODEV;
-
-	tosa_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!tosa_snd_device) {
-		ret = -ENOMEM;
-		goto err_alloc;
-	}
-
-	platform_set_drvdata(tosa_snd_device, &tosa);
-	ret = platform_device_add(tosa_snd_device);
-
-	if (!ret)
-		return 0;
+	ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
+			       "Headphone Jack");
+	if (ret)
+		return ret;
 
-	platform_device_put(tosa_snd_device);
+	card->dev = &pdev->dev;
 
-err_alloc:
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
+		gpio_free(TOSA_GPIO_L_MUTE);
+	}
 	return ret;
 }
 
-static void __exit tosa_exit(void)
+static int __devexit tosa_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(tosa_snd_device);
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+	gpio_free(TOSA_GPIO_L_MUTE);
+	snd_soc_unregister_card(card);
+	return 0;
 }
 
-module_init(tosa_init);
-module_exit(tosa_exit);
+static struct platform_driver tosa_driver = {
+	.driver		= {
+		.name	= "tosa-audio",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= tosa_probe,
+	.remove		= __devexit_p(tosa_remove),
+};
+
+module_platform_driver(tosa_driver);
 
 /* Module information */
 MODULE_AUTHOR("Richard Purdie");
 MODULE_DESCRIPTION("ALSA SoC Tosa");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:tosa-audio");
-- 
1.7.5.4

Re: [PATCH 0/5] ASoC: Convert pxa machine drivers to use use snd_soc_register_card()

[Mark Brown]

On Thu, Dec 15, 2011 at 10:51:18AM +0800, Axel Lin wrote:
> This serial converts some pxa machine drivers to use use snd_soc_register_card().

Applied all, thanks.