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Diffstat (limited to 'sound/soc/codecs/nau8825.c')
-rw-r--r--sound/soc/codecs/nau8825.c76
1 files changed, 62 insertions, 14 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index 97fbeba..46a30ea 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -1612,7 +1612,6 @@ static int nau8825_jack_insert(struct nau8825 *nau8825)
snd_soc_dapm_sync(dapm);
break;
case 2:
- case 3:
dev_dbg(nau8825->dev, "CTIA (micgnd2) mic connected\n");
type = SND_JACK_HEADSET;
@@ -1632,6 +1631,11 @@ static int nau8825_jack_insert(struct nau8825 *nau8825)
snd_soc_dapm_force_enable_pin(dapm, "SAR");
snd_soc_dapm_sync(dapm);
break;
+ case 3:
+ /* detect error case */
+ dev_err(nau8825->dev, "detection error; disable mic function\n");
+ type = SND_JACK_HEADPHONE;
+ break;
}
/* Leaving HPOL/R grounded after jack insert by default. They will be
@@ -1682,7 +1686,7 @@ static irqreturn_t nau8825_interrupt(int irq, void *data)
} else if (active_irq & NAU8825_HEADSET_COMPLETION_IRQ) {
if (nau8825_is_jack_inserted(regmap)) {
event |= nau8825_jack_insert(nau8825);
- if (!nau8825->high_imped) {
+ if (!nau8825->xtalk_bypass && !nau8825->high_imped) {
/* Apply the cross talk suppression in the
* headset without high impedance.
*/
@@ -2328,6 +2332,13 @@ static int nau8825_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
+ /* Reset the configuration of jack type for detection */
+ /* Detach 2kOhm Resistors from MICBIAS to MICGND1/2 */
+ regmap_update_bits(nau8825->regmap, NAU8825_REG_MIC_BIAS,
+ NAU8825_MICBIAS_JKSLV | NAU8825_MICBIAS_JKR2, 0);
+ /* ground HPL/HPR, MICGRND1/2 */
+ regmap_update_bits(nau8825->regmap,
+ NAU8825_REG_HSD_CTRL, 0xf, 0xf);
/* Cancel and reset cross talk detection funciton */
nau8825_xtalk_cancel(nau8825);
/* Turn off all interruptions before system shutdown. Keep the
@@ -2351,6 +2362,10 @@ static int __maybe_unused nau8825_suspend(struct snd_soc_codec *codec)
disable_irq(nau8825->irq);
snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
+ /* Power down codec power; don't suppoet button wakeup */
+ snd_soc_dapm_disable_pin(nau8825->dapm, "SAR");
+ snd_soc_dapm_disable_pin(nau8825->dapm, "MICBIAS");
+ snd_soc_dapm_sync(nau8825->dapm);
regcache_cache_only(nau8825->regmap, true);
regcache_mark_dirty(nau8825->regmap);
@@ -2425,10 +2440,13 @@ static void nau8825_print_device_properties(struct nau8825 *nau8825)
nau8825->jack_insert_debounce);
dev_dbg(dev, "jack-eject-debounce: %d\n",
nau8825->jack_eject_debounce);
+ dev_dbg(dev, "crosstalk-bypass: %d\n",
+ nau8825->xtalk_bypass);
}
static int nau8825_read_device_properties(struct device *dev,
struct nau8825 *nau8825) {
+ int ret;
nau8825->jkdet_enable = device_property_read_bool(dev,
"nuvoton,jkdet-enable");
@@ -2436,30 +2454,60 @@ static int nau8825_read_device_properties(struct device *dev,
"nuvoton,jkdet-pull-enable");
nau8825->jkdet_pull_up = device_property_read_bool(dev,
"nuvoton,jkdet-pull-up");
- device_property_read_u32(dev, "nuvoton,jkdet-polarity",
+ ret = device_property_read_u32(dev, "nuvoton,jkdet-polarity",
&nau8825->jkdet_polarity);
- device_property_read_u32(dev, "nuvoton,micbias-voltage",
+ if (ret)
+ nau8825->jkdet_polarity = 1;
+ ret = device_property_read_u32(dev, "nuvoton,micbias-voltage",
&nau8825->micbias_voltage);
- device_property_read_u32(dev, "nuvoton,vref-impedance",
+ if (ret)
+ nau8825->micbias_voltage = 6;
+ ret = device_property_read_u32(dev, "nuvoton,vref-impedance",
&nau8825->vref_impedance);
- device_property_read_u32(dev, "nuvoton,sar-threshold-num",
+ if (ret)
+ nau8825->vref_impedance = 2;
+ ret = device_property_read_u32(dev, "nuvoton,sar-threshold-num",
&nau8825->sar_threshold_num);
- device_property_read_u32_array(dev, "nuvoton,sar-threshold",
+ if (ret)
+ nau8825->sar_threshold_num = 4;
+ ret = device_property_read_u32_array(dev, "nuvoton,sar-threshold",
nau8825->sar_threshold, nau8825->sar_threshold_num);
- device_property_read_u32(dev, "nuvoton,sar-hysteresis",
+ if (ret) {
+ nau8825->sar_threshold[0] = 0x08;
+ nau8825->sar_threshold[1] = 0x12;
+ nau8825->sar_threshold[2] = 0x26;
+ nau8825->sar_threshold[3] = 0x73;
+ }
+ ret = device_property_read_u32(dev, "nuvoton,sar-hysteresis",
&nau8825->sar_hysteresis);
- device_property_read_u32(dev, "nuvoton,sar-voltage",
+ if (ret)
+ nau8825->sar_hysteresis = 0;
+ ret = device_property_read_u32(dev, "nuvoton,sar-voltage",
&nau8825->sar_voltage);
- device_property_read_u32(dev, "nuvoton,sar-compare-time",
+ if (ret)
+ nau8825->sar_voltage = 6;
+ ret = device_property_read_u32(dev, "nuvoton,sar-compare-time",
&nau8825->sar_compare_time);
- device_property_read_u32(dev, "nuvoton,sar-sampling-time",
+ if (ret)
+ nau8825->sar_compare_time = 1;
+ ret = device_property_read_u32(dev, "nuvoton,sar-sampling-time",
&nau8825->sar_sampling_time);
- device_property_read_u32(dev, "nuvoton,short-key-debounce",
+ if (ret)
+ nau8825->sar_sampling_time = 1;
+ ret = device_property_read_u32(dev, "nuvoton,short-key-debounce",
&nau8825->key_debounce);
- device_property_read_u32(dev, "nuvoton,jack-insert-debounce",
+ if (ret)
+ nau8825->key_debounce = 3;
+ ret = device_property_read_u32(dev, "nuvoton,jack-insert-debounce",
&nau8825->jack_insert_debounce);
- device_property_read_u32(dev, "nuvoton,jack-eject-debounce",
+ if (ret)
+ nau8825->jack_insert_debounce = 7;
+ ret = device_property_read_u32(dev, "nuvoton,jack-eject-debounce",
&nau8825->jack_eject_debounce);
+ if (ret)
+ nau8825->jack_eject_debounce = 0;
+ nau8825->xtalk_bypass = device_property_read_bool(dev,
+ "nuvoton,crosstalk-bypass");
nau8825->mclk = devm_clk_get(dev, "mclk");
if (PTR_ERR(nau8825->mclk) == -EPROBE_DEFER) {
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