diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-02 21:59:18 +0000 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-03 21:35:21 +0000 |
commit | 4911ccdb9d052d0389353cec5cc591a3669f39cb (patch) | |
tree | feec62138450e9f6e5cedd88386ef07730500a70 /sound/soc/codecs/wm2000.c | |
parent | 8aa1fe81c56d98e484f6d8dfc7ac434dad9acd1c (diff) | |
download | linux-4911ccdb9d052d0389353cec5cc591a3669f39cb.tar.bz2 |
ASoC: Convert WM2000 into a standard CODEC driver
We've been able to handle external amps for a while now.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm2000.c')
-rw-r--r-- | sound/soc/codecs/wm2000.c | 145 |
1 files changed, 68 insertions, 77 deletions
diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c index a5f57ce44665..c2880907fced 100644 --- a/sound/soc/codecs/wm2000.c +++ b/sound/soc/codecs/wm2000.c @@ -67,8 +67,6 @@ struct wm2000_priv { char *anc_download; }; -static struct i2c_client *wm2000_i2c; - static int wm2000_write(struct i2c_client *i2c, unsigned int reg, unsigned int value) { @@ -580,7 +578,8 @@ static int wm2000_anc_set_mode(struct wm2000_priv *wm2000) static int wm2000_anc_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); ucontrol->value.enumerated.item[0] = wm2000->anc_active; @@ -590,7 +589,8 @@ static int wm2000_anc_mode_get(struct snd_kcontrol *kcontrol, static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); int anc_active = ucontrol->value.enumerated.item[0]; if (anc_active > 1) @@ -604,7 +604,8 @@ static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol, static int wm2000_speaker_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); ucontrol->value.enumerated.item[0] = wm2000->spk_ena; @@ -614,7 +615,8 @@ static int wm2000_speaker_get(struct snd_kcontrol *kcontrol, static int wm2000_speaker_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); int val = ucontrol->value.enumerated.item[0]; if (val > 1) @@ -637,7 +639,8 @@ static const struct snd_kcontrol_new wm2000_controls[] = { static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { - struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); if (SND_SOC_DAPM_EVENT_ON(event)) wm2000->anc_eng_ena = 1; @@ -650,11 +653,11 @@ static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w, static const struct snd_soc_dapm_widget wm2000_dapm_widgets[] = { /* Externally visible pins */ -SND_SOC_DAPM_OUTPUT("WM2000 SPKN"), -SND_SOC_DAPM_OUTPUT("WM2000 SPKP"), +SND_SOC_DAPM_OUTPUT("SPKN"), +SND_SOC_DAPM_OUTPUT("SPKP"), -SND_SOC_DAPM_INPUT("WM2000 LINN"), -SND_SOC_DAPM_INPUT("WM2000 LINP"), +SND_SOC_DAPM_INPUT("LINN"), +SND_SOC_DAPM_INPUT("LINP"), SND_SOC_DAPM_PGA_E("ANC Engine", SND_SOC_NOPM, 0, 0, NULL, 0, wm2000_anc_power_event, @@ -662,43 +665,68 @@ SND_SOC_DAPM_PGA_E("ANC Engine", SND_SOC_NOPM, 0, 0, NULL, 0, }; /* Target, Path, Source */ -static const struct snd_soc_dapm_route audio_map[] = { - { "WM2000 SPKN", NULL, "ANC Engine" }, - { "WM2000 SPKP", NULL, "ANC Engine" }, - { "ANC Engine", NULL, "WM2000 LINN" }, - { "ANC Engine", NULL, "WM2000 LINP" }, +static const struct snd_soc_dapm_route wm2000_audio_map[] = { + { "SPKN", NULL, "ANC Engine" }, + { "SPKP", NULL, "ANC Engine" }, + { "ANC Engine", NULL, "LINN" }, + { "ANC Engine", NULL, "LINP" }, }; -/* Called from the machine driver */ -int wm2000_add_controls(struct snd_soc_codec *codec) +#ifdef CONFIG_PM +static int wm2000_suspend(struct snd_soc_codec *codec) { - struct snd_soc_dapm_context *dapm = &codec->dapm; - int ret; + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); - if (!wm2000_i2c) { - pr_err("WM2000 not yet probed\n"); - return -ENODEV; - } - - ret = snd_soc_dapm_new_controls(dapm, wm2000_dapm_widgets, - ARRAY_SIZE(wm2000_dapm_widgets)); - if (ret < 0) - return ret; + return wm2000_anc_transition(wm2000, ANC_OFF); +} - ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - if (ret < 0) - return ret; +static int wm2000_resume(struct snd_soc_codec *codec) +{ + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); - return snd_soc_add_controls(codec, wm2000_controls, - ARRAY_SIZE(wm2000_controls)); + return wm2000_anc_set_mode(wm2000); } -EXPORT_SYMBOL_GPL(wm2000_add_controls); +#else +#define wm2000_suspend NULL +#define wm2000_resume NULL +#endif static const struct regmap_config wm2000_regmap = { .reg_bits = 8, .val_bits = 8, }; +static int wm2000_probe(struct snd_soc_codec *codec) +{ + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); + + /* This will trigger a transition to standby mode by default */ + wm2000_anc_set_mode(wm2000); + + return 0; +} + +static int wm2000_remove(struct snd_soc_codec *codec) +{ + struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev); + + return wm2000_anc_transition(wm2000, ANC_OFF); +} + +static struct snd_soc_codec_driver soc_codec_dev_wm2000 = { + .probe = wm2000_probe, + .remove = wm2000_remove, + .suspend = wm2000_suspend, + .resume = wm2000_resume, + + .dapm_widgets = wm2000_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm2000_dapm_widgets), + .dapm_routes = wm2000_audio_map, + .num_dapm_routes = ARRAY_SIZE(wm2000_audio_map), + .controls = wm2000_controls, + .num_controls = ARRAY_SIZE(wm2000_controls), +}; + static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *i2c_id) { @@ -709,11 +737,6 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, int reg, ret; u16 id; - if (wm2000_i2c) { - dev_err(&i2c->dev, "Another WM2000 is already registered\n"); - return -EINVAL; - } - wm2000 = devm_kzalloc(&i2c->dev, sizeof(struct wm2000_priv), GFP_KERNEL); if (wm2000 == NULL) { @@ -786,10 +809,10 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, wm2000_reset(wm2000); - /* This will trigger a transition to standby mode by default */ - wm2000_anc_set_mode(wm2000); - - wm2000_i2c = i2c; + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm2000, + NULL, 0); + if (ret != 0) + goto err_fw; return 0; @@ -805,42 +828,12 @@ static __devexit int wm2000_i2c_remove(struct i2c_client *i2c) { struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev); - wm2000_anc_transition(wm2000, ANC_OFF); - + snd_soc_unregister_codec(&i2c->dev); regmap_exit(wm2000->regmap); - wm2000_i2c = NULL; - return 0; } -static void wm2000_i2c_shutdown(struct i2c_client *i2c) -{ - struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev); - - wm2000_anc_transition(wm2000, ANC_OFF); -} - -#ifdef CONFIG_PM -static int wm2000_i2c_suspend(struct device *dev) -{ - struct i2c_client *i2c = to_i2c_client(dev); - struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev); - - return wm2000_anc_transition(wm2000, ANC_OFF); -} - -static int wm2000_i2c_resume(struct device *dev) -{ - struct i2c_client *i2c = to_i2c_client(dev); - struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev); - - return wm2000_anc_set_mode(wm2000); -} -#endif - -static SIMPLE_DEV_PM_OPS(wm2000_pm, wm2000_i2c_suspend, wm2000_i2c_resume); - static const struct i2c_device_id wm2000_i2c_id[] = { { "wm2000", 0 }, { } @@ -851,11 +844,9 @@ static struct i2c_driver wm2000_i2c_driver = { .driver = { .name = "wm2000", .owner = THIS_MODULE, - .pm = &wm2000_pm, }, .probe = wm2000_i2c_probe, .remove = __devexit_p(wm2000_i2c_remove), - .shutdown = wm2000_i2c_shutdown, .id_table = wm2000_i2c_id, }; 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