wm8974.c (a2bd691c64383ab290732d771a7404e26c0b9d53) wm8974.c (c2562a8e3b5f871ad0b73caf98bb7541e8724efc)
1/*
2 * wm8974.c -- WM8974 ALSA Soc Audio driver
3 *
4 * Copyright 2006-2009 Wolfson Microelectronics PLC.
5 *
6 * Author: Liam Girdwood <Liam.Girdwood@wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify

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43 0x0000, 0x0002, 0x0000, 0x0000,
44 0x0000, 0x0000, 0x0039, 0x0000,
45 0x0000,
46};
47
48#define WM8974_POWER1_BIASEN 0x08
49#define WM8974_POWER1_BUFIOEN 0x04
50
1/*
2 * wm8974.c -- WM8974 ALSA Soc Audio driver
3 *
4 * Copyright 2006-2009 Wolfson Microelectronics PLC.
5 *
6 * Author: Liam Girdwood <Liam.Girdwood@wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify

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43 0x0000, 0x0002, 0x0000, 0x0000,
44 0x0000, 0x0000, 0x0039, 0x0000,
45 0x0000,
46};
47
48#define WM8974_POWER1_BIASEN 0x08
49#define WM8974_POWER1_BUFIOEN 0x04
50
51struct wm8974_priv {
52 enum snd_soc_control_type control_type;
53};
54
55#define wm8974_reset(c) snd_soc_write(c, WM8974_RESET, 0)
56
57static const char *wm8974_companding[] = {"Off", "NC", "u-law", "A-law" };
58static const char *wm8974_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" };
59static const char *wm8974_eqmode[] = {"Capture", "Playback" };
60static const char *wm8974_bw[] = {"Narrow", "Wide" };
61static const char *wm8974_eq1[] = {"80Hz", "105Hz", "135Hz", "175Hz" };
62static const char *wm8974_eq2[] = {"230Hz", "300Hz", "385Hz", "500Hz" };

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627 .num_dapm_widgets = ARRAY_SIZE(wm8974_dapm_widgets),
628 .dapm_routes = wm8974_dapm_routes,
629 .num_dapm_routes = ARRAY_SIZE(wm8974_dapm_routes),
630};
631
632static __devinit int wm8974_i2c_probe(struct i2c_client *i2c,
633 const struct i2c_device_id *id)
634{
51#define wm8974_reset(c) snd_soc_write(c, WM8974_RESET, 0)
52
53static const char *wm8974_companding[] = {"Off", "NC", "u-law", "A-law" };
54static const char *wm8974_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" };
55static const char *wm8974_eqmode[] = {"Capture", "Playback" };
56static const char *wm8974_bw[] = {"Narrow", "Wide" };
57static const char *wm8974_eq1[] = {"80Hz", "105Hz", "135Hz", "175Hz" };
58static const char *wm8974_eq2[] = {"230Hz", "300Hz", "385Hz", "500Hz" };

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623 .num_dapm_widgets = ARRAY_SIZE(wm8974_dapm_widgets),
624 .dapm_routes = wm8974_dapm_routes,
625 .num_dapm_routes = ARRAY_SIZE(wm8974_dapm_routes),
626};
627
628static __devinit int wm8974_i2c_probe(struct i2c_client *i2c,
629 const struct i2c_device_id *id)
630{
635 struct wm8974_priv *wm8974;
636 int ret;
637
631 int ret;
632
638 wm8974 = kzalloc(sizeof(struct wm8974_priv), GFP_KERNEL);
639 if (wm8974 == NULL)
640 return -ENOMEM;
641
642 i2c_set_clientdata(i2c, wm8974);
643
644 ret = snd_soc_register_codec(&i2c->dev,
645 &soc_codec_dev_wm8974, &wm8974_dai, 1);
633 ret = snd_soc_register_codec(&i2c->dev,
634 &soc_codec_dev_wm8974, &wm8974_dai, 1);
646 if (ret < 0)
647 kfree(wm8974);
635
648 return ret;
649}
650
651static __devexit int wm8974_i2c_remove(struct i2c_client *client)
652{
653 snd_soc_unregister_codec(&client->dev);
636 return ret;
637}
638
639static __devexit int wm8974_i2c_remove(struct i2c_client *client)
640{
641 snd_soc_unregister_codec(&client->dev);
654 kfree(i2c_get_clientdata(client));
642
655 return 0;
656}
657
658static const struct i2c_device_id wm8974_i2c_id[] = {
659 { "wm8974", 0 },
660 { }
661};
662MODULE_DEVICE_TABLE(i2c, wm8974_i2c_id);

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644}
645
646static const struct i2c_device_id wm8974_i2c_id[] = {
647 { "wm8974", 0 },
648 { }
649};
650MODULE_DEVICE_TABLE(i2c, wm8974_i2c_id);

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