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authorJohn Hsu <KCHSU0@nuvoton.com>2017-11-24 18:08:26 +0800
committerMark Brown <broonie@kernel.org>2017-11-29 10:32:12 +0000
commit226d7449135ffc62866c06d73b28cac90b3f31e4 (patch)
treec562801418dd2e0bd869740daaf3b499dd78d5c0 /sound/soc/codecs/nau8825.c
parent4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff)
downloadop-kernel-dev-226d7449135ffc62866c06d73b28cac90b3f31e4.zip
op-kernel-dev-226d7449135ffc62866c06d73b28cac90b3f31e4.tar.gz
ASoC: nau8825: disable crosstalk by default
The driver makes the crosstalk funciton disabled by default which can simplify the codec function. The platform may not need this funciton and reduce the potential risk. Therefore, We change the property "nuvoton,crosstalk-bypass" to "nuvoton,crosstalk-enable". The crosstalk measurement is enabled if the property is set. Otherwise, it is disabled. Besides, add more condition in the entry point of the crosstalk sequence to disable the function completely. Signed-off-by: John Hsu <KCHSU0@nuvoton.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/nau8825.c')
-rw-r--r--sound/soc/codecs/nau8825.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index 714ce17..d3c1a02 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -815,11 +815,12 @@ static void nau8825_xtalk_work(struct work_struct *work)
static void nau8825_xtalk_cancel(struct nau8825 *nau8825)
{
- /* If the xtalk_protect is true, that means the process is still
- * on going. The driver forces to cancel the cross talk task and
+ /* If the crosstalk is eanbled and the process is on going,
+ * the driver forces to cancel the crosstalk task and
* restores the configuration to original status.
*/
- if (nau8825->xtalk_protect) {
+ if (nau8825->xtalk_enable && nau8825->xtalk_state !=
+ NAU8825_XTALK_DONE) {
cancel_work_sync(&nau8825->xtalk_work);
nau8825_xtalk_clean(nau8825);
}
@@ -1686,7 +1687,7 @@ 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->xtalk_bypass && !nau8825->high_imped) {
+ if (nau8825->xtalk_enable && !nau8825->high_imped) {
/* Apply the cross talk suppression in the
* headset without high impedance.
*/
@@ -1732,8 +1733,10 @@ static irqreturn_t nau8825_interrupt(int irq, void *data)
nau8825->xtalk_event_mask = event_mask;
}
} else if (active_irq & NAU8825_IMPEDANCE_MEAS_IRQ) {
- schedule_work(&nau8825->xtalk_work);
- clear_irq = NAU8825_IMPEDANCE_MEAS_IRQ;
+ if (nau8825->xtalk_enable) {
+ schedule_work(&nau8825->xtalk_work);
+ clear_irq = NAU8825_IMPEDANCE_MEAS_IRQ;
+ }
} else if ((active_irq & NAU8825_JACK_INSERTION_IRQ_MASK) ==
NAU8825_JACK_INSERTION_DETECTED) {
/* One more step to check GPIO status directly. Thus, the
@@ -2440,8 +2443,8 @@ 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);
+ dev_dbg(dev, "crosstalk-enable: %d\n",
+ nau8825->xtalk_enable);
}
static int nau8825_read_device_properties(struct device *dev,
@@ -2506,8 +2509,8 @@ static int nau8825_read_device_properties(struct device *dev,
&nau8825->jack_eject_debounce);
if (ret)
nau8825->jack_eject_debounce = 0;
- nau8825->xtalk_bypass = device_property_read_bool(dev,
- "nuvoton,crosstalk-bypass");
+ nau8825->xtalk_enable = device_property_read_bool(dev,
+ "nuvoton,crosstalk-enable");
nau8825->mclk = devm_clk_get(dev, "mclk");
if (PTR_ERR(nau8825->mclk) == -EPROBE_DEFER) {
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