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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-30 11:55:14 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-01 15:21:51 +0100
commit4585790d1cde32a5719c24412e9845e031358e08 (patch)
tree1350ab58fb4fa2611c45c96da0c0daa6143b4096 /sound
parentASoC: Tune down active mode detection rate for WM8958 mic detection (diff)
downloadlinux-4585790d1cde32a5719c24412e9845e031358e08.tar.xz
linux-4585790d1cde32a5719c24412e9845e031358e08.zip
ASoC: Allow more WM8958/WM1811 button levels with default handler
The WM8958 and WM1811 support detecting a range of buttons. Allow the user to provide platform data enabling more of these levels without having to write a custom detection handler. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8994.c42
-rw-r--r--sound/soc/codecs/wm8994.h1
2 files changed, 35 insertions, 8 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 45bfa09f2e45..3e52d40866d2 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3043,6 +3043,7 @@ static void wm8958_default_micdet(u16 status, void *data)
{
struct snd_soc_codec *codec = data;
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ int report;
dev_dbg(codec->dev, "MICDET %x\n", status);
@@ -3055,7 +3056,7 @@ static void wm8958_default_micdet(u16 status, void *data)
wm8958_micd_set_rate(codec);
snd_soc_jack_report(wm8994->micdet[0].jack, 0,
- SND_JACK_BTN_0 | SND_JACK_HEADSET);
+ wm8994->btn_mask | SND_JACK_HEADSET);
return;
}
@@ -3088,12 +3089,27 @@ static void wm8958_default_micdet(u16 status, void *data)
/* Report short circuit as a button */
if (wm8994->jack_mic) {
+ report = 0;
if (status & 0x4)
- snd_soc_jack_report(wm8994->micdet[0].jack,
- SND_JACK_BTN_0, SND_JACK_BTN_0);
- else
- snd_soc_jack_report(wm8994->micdet[0].jack,
- 0, SND_JACK_BTN_0);
+ report |= SND_JACK_BTN_0;
+
+ if (status & 0x8)
+ report |= SND_JACK_BTN_1;
+
+ if (status & 0x10)
+ report |= SND_JACK_BTN_2;
+
+ if (status & 0x20)
+ report |= SND_JACK_BTN_3;
+
+ if (status & 0x40)
+ report |= SND_JACK_BTN_4;
+
+ if (status & 0x80)
+ report |= SND_JACK_BTN_5;
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, report,
+ wm8994->btn_mask);
}
}
@@ -3118,6 +3134,7 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
{
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
struct wm8994 *control = wm8994->wm8994;
+ u16 micd_lvl_sel;
switch (control->type) {
case WM1811:
@@ -3145,9 +3162,18 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
wm8958_micd_set_rate(codec);
- /* Detect microphones and short circuits */
+ /* Detect microphones and short circuits by default */
+ if (wm8994->pdata->micd_lvl_sel)
+ micd_lvl_sel = wm8994->pdata->micd_lvl_sel;
+ else
+ micd_lvl_sel = 0x41;
+
+ wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3 |
+ SND_JACK_BTN_4 | SND_JACK_BTN_5;
+
snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
- WM8958_MICD_LVL_SEL_MASK, 0x41);
+ WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
WM8958_MICD_ENA, WM8958_MICD_ENA);
diff --git a/sound/soc/codecs/wm8994.h b/sound/soc/codecs/wm8994.h
index c3e71d72eb6a..77e3d8c9eeb8 100644
--- a/sound/soc/codecs/wm8994.h
+++ b/sound/soc/codecs/wm8994.h
@@ -129,6 +129,7 @@ struct wm8994_priv {
struct wm8994_micdet micdet[2];
bool detecting;
bool jack_mic;
+ int btn_mask;
wm8958_micdet_cb jack_cb;
void *jack_cb_data;