target/linux/xburst/patches-3.2/0018-ASoC-jz4740-Convert-qi_lb60-to-use-snd_soc_register_.patch

   1 From 94f2b91d2a42854a8869d54a758bc88757d7f6d9 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 18/21] 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