| 1 | From 7be17b01bffeccb75c1058eac949f99c3040a9f7 Mon Sep 17 00:00:00 2001 |
| 2 | From: Axel Lin <axel.lin@gmail.com> |
| 3 | Date: Fri, 6 Jan 2012 11:30:10 +0800 |
| 4 | Subject: [PATCH 19/28] ASoC: jz4740: Convert qi_lb60 to use |
| 5 | snd_soc_register_card() |
| 6 | |
| 7 | Use snd_soc_register_card() instead of creating a "soc-audio" platform device. |
| 8 | |
| 9 | Signed-off-by: Axel Lin <axel.lin@gmail.com> |
| 10 | --- |
| 11 | arch/mips/jz4740/board-qi_lb60.c | 6 ++++ |
| 12 | sound/soc/jz4740/qi_lb60.c | 56 +++++++++++++++++-------------------- |
| 13 | 2 files changed, 32 insertions(+), 30 deletions(-) |
| 14 | |
| 15 | diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c |
| 16 | index f2d94c1..be14dfb 100644 |
| 17 | --- a/arch/mips/jz4740/board-qi_lb60.c |
| 18 | +++ b/arch/mips/jz4740/board-qi_lb60.c |
| 19 | @@ -418,6 +418,11 @@ static struct platform_device qi_lb60_charger_device = { |
| 20 | }, |
| 21 | }; |
| 22 | |
| 23 | +/* audio */ |
| 24 | +static struct platform_device qi_lb60_audio_device = { |
| 25 | + .name = "qi-lb60-audio", |
| 26 | + .id = -1, |
| 27 | +}; |
| 28 | |
| 29 | static struct platform_device *jz_platform_devices[] __initdata = { |
| 30 | &jz4740_udc_device, |
| 31 | @@ -434,6 +439,7 @@ static struct platform_device *jz_platform_devices[] __initdata = { |
| 32 | &qi_lb60_gpio_keys, |
| 33 | &qi_lb60_pwm_beeper, |
| 34 | &qi_lb60_charger_device, |
| 35 | + &qi_lb60_audio_device, |
| 36 | }; |
| 37 | |
| 38 | static void __init board_gpio_setup(void) |
| 39 | diff --git a/sound/soc/jz4740/qi_lb60.c b/sound/soc/jz4740/qi_lb60.c |
| 40 | index c5fc339..67ddbdd 100644 |
| 41 | --- a/sound/soc/jz4740/qi_lb60.c |
| 42 | +++ b/sound/soc/jz4740/qi_lb60.c |
| 43 | @@ -90,56 +90,52 @@ static struct snd_soc_card qi_lb60 = { |
| 44 | .num_dapm_routes = ARRAY_SIZE(qi_lb60_routes), |
| 45 | }; |
| 46 | |
| 47 | -static struct platform_device *qi_lb60_snd_device; |
| 48 | - |
| 49 | static const struct gpio qi_lb60_gpios[] = { |
| 50 | { QI_LB60_SND_GPIO, GPIOF_OUT_INIT_LOW, "SND" }, |
| 51 | { QI_LB60_AMP_GPIO, GPIOF_OUT_INIT_LOW, "AMP" }, |
| 52 | }; |
| 53 | |
| 54 | -static int __init qi_lb60_init(void) |
| 55 | +static int __devinit qi_lb60_probe(struct platform_device *pdev) |
| 56 | { |
| 57 | + struct snd_soc_card *card = &qi_lb60; |
| 58 | int ret; |
| 59 | |
| 60 | - qi_lb60_snd_device = platform_device_alloc("soc-audio", -1); |
| 61 | - |
| 62 | - if (!qi_lb60_snd_device) |
| 63 | - return -ENOMEM; |
| 64 | - |
| 65 | ret = gpio_request_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios)); |
| 66 | - if (ret) { |
| 67 | - pr_err("qi_lb60 snd: Failed to request gpios: %d\n", ret); |
| 68 | - goto err_device_put; |
| 69 | - } |
| 70 | + if (ret) |
| 71 | + return ret; |
| 72 | |
| 73 | - platform_set_drvdata(qi_lb60_snd_device, &qi_lb60); |
| 74 | + card->dev = &pdev->dev; |
| 75 | |
| 76 | - ret = platform_device_add(qi_lb60_snd_device); |
| 77 | + ret = snd_soc_register_card(card); |
| 78 | if (ret) { |
| 79 | - pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret); |
| 80 | - goto err_unset_pdata; |
| 81 | + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| 82 | + ret); |
| 83 | + gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios)); |
| 84 | } |
| 85 | - |
| 86 | - return 0; |
| 87 | - |
| 88 | -err_unset_pdata: |
| 89 | - platform_set_drvdata(qi_lb60_snd_device, NULL); |
| 90 | -/*err_gpio_free_array:*/ |
| 91 | - gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios)); |
| 92 | -err_device_put: |
| 93 | - platform_device_put(qi_lb60_snd_device); |
| 94 | - |
| 95 | return ret; |
| 96 | } |
| 97 | -module_init(qi_lb60_init); |
| 98 | |
| 99 | -static void __exit qi_lb60_exit(void) |
| 100 | +static int __devexit qi_lb60_remove(struct platform_device *pdev) |
| 101 | { |
| 102 | - platform_device_unregister(qi_lb60_snd_device); |
| 103 | + struct snd_soc_card *card = platform_get_drvdata(pdev); |
| 104 | + |
| 105 | + snd_soc_unregister_card(card); |
| 106 | gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios)); |
| 107 | + return 0; |
| 108 | } |
| 109 | -module_exit(qi_lb60_exit); |
| 110 | + |
| 111 | +static struct platform_driver qi_lb60_driver = { |
| 112 | + .driver = { |
| 113 | + .name = "qi-lb60-audio", |
| 114 | + .owner = THIS_MODULE, |
| 115 | + }, |
| 116 | + .probe = qi_lb60_probe, |
| 117 | + .remove = __devexit_p(qi_lb60_remove), |
| 118 | +}; |
| 119 | + |
| 120 | +module_platform_driver(qi_lb60_driver); |
| 121 | |
| 122 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); |
| 123 | MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support"); |
| 124 | MODULE_LICENSE("GPL v2"); |
| 125 | +MODULE_ALIAS("platform:qi-lb60-audio"); |
| 126 | -- |
| 127 | 1.7.5.4 |
| 128 | |
| 129 | |