Root/target/linux/xburst/patches-3.3/0018-ASoC-jz4740-Convert-qi_lb60-to-use-snd_soc_register_.patch

1From 94f2b91d2a42854a8869d54a758bc88757d7f6d9 Mon Sep 17 00:00:00 2001
2From: Axel Lin <axel.lin@gmail.com>
3Date: Fri, 6 Jan 2012 11:30:10 +0800
4Subject: [PATCH 18/21] ASoC: jz4740: Convert qi_lb60 to use
5 snd_soc_register_card()
6
7Use snd_soc_register_card() instead of creating a "soc-audio" platform device.
8
9Signed-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--- a/arch/mips/jz4740/board-qi_lb60.c
16+++ b/arch/mips/jz4740/board-qi_lb60.c
17@@ -418,6 +418,11 @@ static struct platform_device qi_lb60_ch
18     },
19 };
20 
21+/* audio */
22+static struct platform_device qi_lb60_audio_device = {
23+ .name = "qi-lb60-audio",
24+ .id = -1,
25+};
26 
27 static struct platform_device *jz_platform_devices[] __initdata = {
28     &jz4740_udc_device,
29@@ -434,6 +439,7 @@ static struct platform_device *jz_platfo
30     &qi_lb60_gpio_keys,
31     &qi_lb60_pwm_beeper,
32     &qi_lb60_charger_device,
33+ &qi_lb60_audio_device,
34 };
35 
36 static void __init board_gpio_setup(void)
37--- a/sound/soc/jz4740/qi_lb60.c
38+++ b/sound/soc/jz4740/qi_lb60.c
39@@ -91,56 +91,52 @@ static struct snd_soc_card qi_lb60 = {
40     .num_dapm_routes = ARRAY_SIZE(qi_lb60_routes),
41 };
42 
43-static struct platform_device *qi_lb60_snd_device;
44-
45 static const struct gpio qi_lb60_gpios[] = {
46     { QI_LB60_SND_GPIO, GPIOF_OUT_INIT_LOW, "SND" },
47     { QI_LB60_AMP_GPIO, GPIOF_OUT_INIT_LOW, "AMP" },
48 };
49 
50-static int __init qi_lb60_init(void)
51+static int __devinit qi_lb60_probe(struct platform_device *pdev)
52 {
53+ struct snd_soc_card *card = &qi_lb60;
54     int ret;
55 
56- qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
57-
58- if (!qi_lb60_snd_device)
59- return -ENOMEM;
60-
61     ret = gpio_request_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
62- if (ret) {
63- pr_err("qi_lb60 snd: Failed to request gpios: %d\n", ret);
64- goto err_device_put;
65- }
66+ if (ret)
67+ return ret;
68 
69- platform_set_drvdata(qi_lb60_snd_device, &qi_lb60);
70+ card->dev = &pdev->dev;
71 
72- ret = platform_device_add(qi_lb60_snd_device);
73+ ret = snd_soc_register_card(card);
74     if (ret) {
75- pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
76- goto err_unset_pdata;
77+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
78+ ret);
79+ gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
80     }
81-
82- return 0;
83-
84-err_unset_pdata:
85- platform_set_drvdata(qi_lb60_snd_device, NULL);
86-/*err_gpio_free_array:*/
87- gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
88-err_device_put:
89- platform_device_put(qi_lb60_snd_device);
90-
91     return ret;
92 }
93-module_init(qi_lb60_init);
94 
95-static void __exit qi_lb60_exit(void)
96+static int __devexit qi_lb60_remove(struct platform_device *pdev)
97 {
98- platform_device_unregister(qi_lb60_snd_device);
99+ struct snd_soc_card *card = platform_get_drvdata(pdev);
100+
101+ snd_soc_unregister_card(card);
102     gpio_free_array(qi_lb60_gpios, ARRAY_SIZE(qi_lb60_gpios));
103+ return 0;
104 }
105-module_exit(qi_lb60_exit);
106+
107+static struct platform_driver qi_lb60_driver = {
108+ .driver = {
109+ .name = "qi-lb60-audio",
110+ .owner = THIS_MODULE,
111+ },
112+ .probe = qi_lb60_probe,
113+ .remove = __devexit_p(qi_lb60_remove),
114+};
115+
116+module_platform_driver(qi_lb60_driver);
117 
118 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
119 MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
120 MODULE_LICENSE("GPL v2");
121+MODULE_ALIAS("platform:qi-lb60-audio");
122

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