diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-16 12:01:28 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-16 15:58:08 +0000 |
| commit | cdce4e9ba7ff86a5f43b971a9af88b25a3f6c9a4 (patch) | |
| tree | f8993127b71fbdb23f092dcc54cb7021c0e49e47 /sound/soc/codecs/wm8904.c | |
| parent | 7245387e36e16ae918467685c34510606fd74b7c (diff) | |
ASoC: Allow configuration of WM8904 GPIO pin functions
Provide platform data allowing the configuration of the GPIO pins
on the WM8904 to be selected, allowing alternate functions to be
enabled.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/codecs/wm8904.c')
| -rw-r--r-- | sound/soc/codecs/wm8904.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index 593e47d0e0eb..ce3f004217ae 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -2425,6 +2425,7 @@ EXPORT_SYMBOL_GPL(soc_codec_dev_wm8904); static int wm8904_register(struct wm8904_priv *wm8904, enum snd_soc_control_type control) { + struct wm8904_pdata *pdata = wm8904->pdata; int ret; struct snd_soc_codec *codec = &wm8904->codec; int i; @@ -2530,6 +2531,17 @@ static int wm8904_register(struct wm8904_priv *wm8904, WM8904_LINEOUTRZC; wm8904->reg_cache[WM8904_CLOCK_RATES_0] &= ~WM8904_SR_MODE; + /* Apply configuration from the platform data. */ + if (wm8904->pdata) { + for (i = 0; i < WM8904_GPIO_REGS; i++) { + if (!pdata->gpio_cfg[i]) + continue; + + wm8904->reg_cache[WM8904_GPIO_CONTROL_1 + i] + = pdata->gpio_cfg[i] & 0xffff; + } + } + /* Set Class W by default - this will be managed by the Class * G widget at runtime where bypass paths are available. */ |