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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-02-03 19:33:49 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-02-04 10:43:10 +0000 |
commit | 8c1264740e7c9688c5d11b96d26e4393618ef60e (patch) | |
tree | 89c0cab2621dc358dcbb89987198e1d17111bb41 /sound | |
parent | e4bc669610d75106a00b0f96f2410ac5898ef1ca (diff) | |
download | linux-stable-8c1264740e7c9688c5d11b96d26e4393618ef60e.tar.gz linux-stable-8c1264740e7c9688c5d11b96d26e4393618ef60e.tar.bz2 linux-stable-8c1264740e7c9688c5d11b96d26e4393618ef60e.zip |
ASoC: Add WM8912 DAC support
The WM8912 is a DAC only device register compatible with the WM8904
CODEC with ADC portions omitted. Support it within the WM8904 driver
based on the configured I2C device name.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/codecs/wm8904.c | 90 |
1 files changed, 72 insertions, 18 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index 80dd8df0b864..593e47d0e0eb 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -33,6 +33,11 @@ static struct snd_soc_codec *wm8904_codec; struct snd_soc_codec_device soc_codec_dev_wm8904; +enum wm8904_type { + WM8904, + WM8912, +}; + #define WM8904_NUM_DCS_CHANNELS 4 #define WM8904_NUM_SUPPLIES 5 @@ -49,6 +54,8 @@ struct wm8904_priv { struct snd_soc_codec codec; u16 reg_cache[WM8904_MAX_REGISTER + 1]; + enum wm8904_type devtype; + struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES]; struct wm8904_pdata *pdata; @@ -1411,30 +1418,62 @@ static const struct snd_soc_dapm_route wm8904_intercon[] = { { "LINER PGA", NULL, "LINER Mux" }, }; +static const struct snd_soc_dapm_route wm8912_intercon[] = { + { "HPL PGA", NULL, "DACL" }, + { "HPR PGA", NULL, "DACR" }, + + { "LINEL PGA", NULL, "DACL" }, + { "LINER PGA", NULL, "DACR" }, +}; + static int wm8904_add_widgets(struct snd_soc_codec *codec) { - snd_soc_add_controls(codec, wm8904_adc_snd_controls, - ARRAY_SIZE(wm8904_adc_snd_controls)); - snd_soc_add_controls(codec, wm8904_dac_snd_controls, - ARRAY_SIZE(wm8904_dac_snd_controls)); - snd_soc_add_controls(codec, wm8904_snd_controls, - ARRAY_SIZE(wm8904_snd_controls)); + struct wm8904_priv *wm8904 = codec->private_data; snd_soc_dapm_new_controls(codec, wm8904_core_dapm_widgets, ARRAY_SIZE(wm8904_core_dapm_widgets)); - snd_soc_dapm_new_controls(codec, wm8904_adc_dapm_widgets, - ARRAY_SIZE(wm8904_adc_dapm_widgets)); - snd_soc_dapm_new_controls(codec, wm8904_dac_dapm_widgets, - ARRAY_SIZE(wm8904_dac_dapm_widgets)); - snd_soc_dapm_new_controls(codec, wm8904_dapm_widgets, - ARRAY_SIZE(wm8904_dapm_widgets)); - snd_soc_dapm_add_routes(codec, core_intercon, ARRAY_SIZE(core_intercon)); - snd_soc_dapm_add_routes(codec, adc_intercon, ARRAY_SIZE(adc_intercon)); - snd_soc_dapm_add_routes(codec, dac_intercon, ARRAY_SIZE(dac_intercon)); - snd_soc_dapm_add_routes(codec, wm8904_intercon, - ARRAY_SIZE(wm8904_intercon)); + + switch (wm8904->devtype) { + case WM8904: + snd_soc_add_controls(codec, wm8904_adc_snd_controls, + ARRAY_SIZE(wm8904_adc_snd_controls)); + snd_soc_add_controls(codec, wm8904_dac_snd_controls, + ARRAY_SIZE(wm8904_dac_snd_controls)); + snd_soc_add_controls(codec, wm8904_snd_controls, + ARRAY_SIZE(wm8904_snd_controls)); + + snd_soc_dapm_new_controls(codec, wm8904_adc_dapm_widgets, + ARRAY_SIZE(wm8904_adc_dapm_widgets)); + snd_soc_dapm_new_controls(codec, wm8904_dac_dapm_widgets, + ARRAY_SIZE(wm8904_dac_dapm_widgets)); + snd_soc_dapm_new_controls(codec, wm8904_dapm_widgets, + ARRAY_SIZE(wm8904_dapm_widgets)); + + snd_soc_dapm_add_routes(codec, core_intercon, + ARRAY_SIZE(core_intercon)); + snd_soc_dapm_add_routes(codec, adc_intercon, + ARRAY_SIZE(adc_intercon)); + snd_soc_dapm_add_routes(codec, dac_intercon, + ARRAY_SIZE(dac_intercon)); + snd_soc_dapm_add_routes(codec, wm8904_intercon, + ARRAY_SIZE(wm8904_intercon)); + break; + + case WM8912: + snd_soc_add_controls(codec, wm8904_dac_snd_controls, + ARRAY_SIZE(wm8904_dac_snd_controls)); + + snd_soc_dapm_new_controls(codec, wm8904_dac_dapm_widgets, + ARRAY_SIZE(wm8904_dac_dapm_widgets)); + + snd_soc_dapm_add_routes(codec, dac_intercon, + ARRAY_SIZE(dac_intercon)); + snd_soc_dapm_add_routes(codec, wm8912_intercon, + ARRAY_SIZE(wm8912_intercon)); + break; + } snd_soc_dapm_new_widgets(codec); return 0; @@ -2412,6 +2451,18 @@ static int wm8904_register(struct wm8904_priv *wm8904, codec->cache_sync = 1; codec->idle_bias_off = 1; + switch (wm8904->devtype) { + case WM8904: + break; + case WM8912: + memset(&wm8904_dai.capture, 0, sizeof(wm8904_dai.capture)); + break; + default: + dev_err(codec->dev, "Unknown device type %d\n", + wm8904->devtype); + return -EINVAL; + } + memcpy(codec->reg_cache, wm8904_reg, sizeof(wm8904_reg)); ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); @@ -2542,6 +2593,8 @@ static __devinit int wm8904_i2c_probe(struct i2c_client *i2c, codec = &wm8904->codec; codec->hw_write = (hw_write_t)i2c_master_send; + wm8904->devtype = id->driver_data; + i2c_set_clientdata(i2c, wm8904); codec->control_data = i2c; wm8904->pdata = i2c->dev.platform_data; @@ -2559,7 +2612,8 @@ static __devexit int wm8904_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id wm8904_i2c_id[] = { - { "wm8904", 0 }, + { "wm8904", WM8904 }, + { "wm8912", WM8912 }, { } }; MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id); |