The WM9081 IRQ output can be either active high or active low and can support either CMOS or open drain modes.

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- include/sound/wm9081.h | 9 ++++++--- sound/soc/codecs/wm9081.c | 29 +++++++++++++++++++---------- 2 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/include/sound/wm9081.h b/include/sound/wm9081.h index e173ddb..f34b0b1 100644 --- a/include/sound/wm9081.h +++ b/include/sound/wm9081.h @@ -17,9 +17,12 @@ struct wm9081_retune_mobile_setting { u16 config[20]; };

-struct wm9081_retune_mobile_config { - struct wm9081_retune_mobile_setting *configs; - int num_configs; +struct wm9081_pdata { + bool irq_high; /* IRQ is active high */ + bool irq_cmos; /* IRQ is in CMOS mode */ + + struct wm9081_retune_mobile_setting *retune_configs; + int num_retune_configs; };

#endif diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c index 2103623..7883f3e 100644 --- a/sound/soc/codecs/wm9081.c +++ b/sound/soc/codecs/wm9081.c @@ -167,7 +167,7 @@ struct wm9081_priv { int fll_fref; int fll_fout; int tdm_width; - struct wm9081_retune_mobile_config *retune; + struct wm9081_pdata pdata; };

static int wm9081_volatile_register(struct snd_soc_codec *codec, unsigned int reg) @@ -1082,21 +1082,22 @@ static int wm9081_hw_params(struct snd_pcm_substream *substream, aif4 |= wm9081->bclk / wm9081->fs;

/* Apply a ReTune Mobile configuration if it's in use */ - if (wm9081->retune) { - struct wm9081_retune_mobile_config *retune = wm9081->retune; + if (wm9081->pdata.num_retune_configs) { + struct wm9081_pdata *pdata = &wm9081->pdata; struct wm9081_retune_mobile_setting *s; int eq1;

best = 0; - best_val = abs(retune->configs[0].rate - wm9081->fs); - for (i = 0; i < retune->num_configs; i++) { - cur_val = abs(retune->configs[i].rate - wm9081->fs); + best_val = abs(pdata->retune_configs[0].rate - wm9081->fs); + for (i = 0; i < pdata->num_retune_configs; i++) { + cur_val = abs(pdata->retune_configs[i].rate - + wm9081->fs); if (cur_val < best_val) { best_val = cur_val; best = i; } } - s = &retune->configs[best]; + s = &pdata->retune_configs[best];

dev_dbg(codec->dev, "ReTune Mobile %s tuned for %dHz\n", s->name, s->rate); @@ -1255,6 +1256,14 @@ static int wm9081_probe(struct snd_soc_codec *codec) return ret; }

+ reg = 0; + if (wm9081->pdata.irq_high) + reg |= WM9081_IRQ_POL; + if (!wm9081->pdata.irq_cmos) + reg |= WM9081_IRQ_OP_CTRL; + snd_soc_update_bits(codec, WM9081_INTERRUPT_CONTROL, + WM9081_IRQ_POL | WM9081_IRQ_OP_CTRL, reg); + wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

/* Enable zero cross by default */ @@ -1266,7 +1275,7 @@ static int wm9081_probe(struct snd_soc_codec *codec)

snd_soc_add_controls(codec, wm9081_snd_controls, ARRAY_SIZE(wm9081_snd_controls)); - if (!wm9081->retune) { + if (!wm9081->pdata.num_retune_configs) { dev_dbg(codec->dev, "No ReTune Mobile data, using normal EQ\n"); snd_soc_add_controls(codec, wm9081_eq_controls, @@ -1343,8 +1352,8 @@ static __devinit int wm9081_i2c_probe(struct i2c_client *i2c, wm9081->control_data = i2c;

if (dev_get_platdata(&i2c->dev)) - memcpy(&wm9081->retune, dev_get_platdata(&i2c->dev), - sizeof(wm9081->retune)); + memcpy(&wm9081->pdata, dev_get_platdata(&i2c->dev), + sizeof(wm9081->pdata));

ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm9081, &wm9081_dai, 1);