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>
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604533de0f
commit
4585790d1c
3 changed files with 38 additions and 8 deletions
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@ -168,6 +168,9 @@ struct wm8994_pdata {
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/* WM8958 microphone bias configuration */
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int micbias[2];
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/* WM8958 microphone detection ranges */
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u16 micd_lvl_sel;
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/* Disable the internal pull downs on the LDOs if they are
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* always driven (eg, connected to an always on supply or
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* GPIO that always drives an output. If they float power
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@ -3043,6 +3043,7 @@ static void wm8958_default_micdet(u16 status, void *data)
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{
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struct snd_soc_codec *codec = data;
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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int report;
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dev_dbg(codec->dev, "MICDET %x\n", status);
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@ -3055,7 +3056,7 @@ static void wm8958_default_micdet(u16 status, void *data)
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wm8958_micd_set_rate(codec);
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snd_soc_jack_report(wm8994->micdet[0].jack, 0,
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SND_JACK_BTN_0 | SND_JACK_HEADSET);
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wm8994->btn_mask | SND_JACK_HEADSET);
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return;
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}
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@ -3088,12 +3089,27 @@ static void wm8958_default_micdet(u16 status, void *data)
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/* Report short circuit as a button */
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if (wm8994->jack_mic) {
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report = 0;
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if (status & 0x4)
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snd_soc_jack_report(wm8994->micdet[0].jack,
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SND_JACK_BTN_0, SND_JACK_BTN_0);
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else
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snd_soc_jack_report(wm8994->micdet[0].jack,
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0, SND_JACK_BTN_0);
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report |= SND_JACK_BTN_0;
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if (status & 0x8)
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report |= SND_JACK_BTN_1;
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if (status & 0x10)
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report |= SND_JACK_BTN_2;
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if (status & 0x20)
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report |= SND_JACK_BTN_3;
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if (status & 0x40)
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report |= SND_JACK_BTN_4;
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if (status & 0x80)
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report |= SND_JACK_BTN_5;
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snd_soc_jack_report(wm8994->micdet[0].jack, report,
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wm8994->btn_mask);
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}
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}
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@ -3118,6 +3134,7 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
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{
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struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
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struct wm8994 *control = wm8994->wm8994;
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u16 micd_lvl_sel;
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switch (control->type) {
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case WM1811:
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@ -3145,9 +3162,18 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
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wm8958_micd_set_rate(codec);
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/* Detect microphones and short circuits */
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/* Detect microphones and short circuits by default */
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if (wm8994->pdata->micd_lvl_sel)
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micd_lvl_sel = wm8994->pdata->micd_lvl_sel;
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else
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micd_lvl_sel = 0x41;
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wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
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SND_JACK_BTN_2 | SND_JACK_BTN_3 |
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SND_JACK_BTN_4 | SND_JACK_BTN_5;
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snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
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WM8958_MICD_LVL_SEL_MASK, 0x41);
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WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
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snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
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WM8958_MICD_ENA, WM8958_MICD_ENA);
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@ -129,6 +129,7 @@ struct wm8994_priv {
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struct wm8994_micdet micdet[2];
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bool detecting;
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bool jack_mic;
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int btn_mask;
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wm8958_micdet_cb jack_cb;
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void *jack_cb_data;
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