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-rw-r--r--include/linux/mfd/arizona/core.h10
-rw-r--r--sound/soc/codecs/arizona.c35
-rw-r--r--sound/soc/codecs/arizona.h17
-rw-r--r--sound/soc/codecs/cs47l24.c8
-rw-r--r--sound/soc/codecs/wm5110.c8
5 files changed, 78 insertions, 0 deletions
diff --git a/include/linux/mfd/arizona/core.h b/include/linux/mfd/arizona/core.h
index d55a42297d49..58ab4c0fe761 100644
--- a/include/linux/mfd/arizona/core.h
+++ b/include/linux/mfd/arizona/core.h
@@ -14,6 +14,7 @@
#define _WM_ARIZONA_CORE_H
#include <linux/interrupt.h>
+#include <linux/notifier.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/mfd/arizona/pdata.h>
@@ -148,8 +149,17 @@ struct arizona {
uint16_t dac_comp_coeff;
uint8_t dac_comp_enabled;
struct mutex dac_comp_lock;
+
+ struct blocking_notifier_head notifier;
};
+static inline int arizona_call_notifiers(struct arizona *arizona,
+ unsigned long event,
+ void *data)
+{
+ return blocking_notifier_call_chain(&arizona->notifier, event, data);
+}
+
int arizona_clk32k_enable(struct arizona *arizona);
int arizona_clk32k_disable(struct arizona *arizona);
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 664a8c044ffb..7f9ab92ffa91 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -324,6 +324,17 @@ int arizona_init_gpio(struct snd_soc_codec *codec)
}
EXPORT_SYMBOL_GPL(arizona_init_gpio);
+int arizona_init_notifiers(struct snd_soc_codec *codec)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+
+ BLOCKING_INIT_NOTIFIER_HEAD(&arizona->notifier);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(arizona_init_notifiers);
+
const char * const arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
"None",
"Tone Generator 1",
@@ -2573,6 +2584,30 @@ int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
}
EXPORT_SYMBOL_GPL(arizona_lhpf_coeff_put);
+int arizona_register_notifier(struct snd_soc_codec *codec,
+ struct notifier_block *nb,
+ int (*notify)(struct notifier_block *nb,
+ unsigned long action, void *data))
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+
+ nb->notifier_call = notify;
+
+ return blocking_notifier_chain_register(&arizona->notifier, nb);
+}
+EXPORT_SYMBOL_GPL(arizona_register_notifier);
+
+int arizona_unregister_notifier(struct snd_soc_codec *codec,
+ struct notifier_block *nb)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+
+ return blocking_notifier_chain_unregister(&arizona->notifier, nb);
+}
+EXPORT_SYMBOL_GPL(arizona_unregister_notifier);
+
MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index ce0531b8c632..46862af7665e 100644
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -63,6 +63,9 @@
#define ARIZONA_DVFS_SR1_RQ 0x001
#define ARIZONA_DVFS_ADSP1_RQ 0x100
+/* Notifier events */
+#define ARIZONA_NOTIFY_VOICE_TRIGGER 0x1
+
struct arizona;
struct wm_adsp;
@@ -95,6 +98,10 @@ struct arizona_priv {
bool dvfs_cached;
};
+struct arizona_voice_trigger_info {
+ int core;
+};
+
#define ARIZONA_NUM_MIXER_INPUTS 104
extern const unsigned int arizona_mixer_tlv[];
@@ -306,6 +313,7 @@ extern int arizona_set_fll(struct arizona_fll *fll, int source,
extern int arizona_init_spk(struct snd_soc_codec *codec);
extern int arizona_init_gpio(struct snd_soc_codec *codec);
extern int arizona_init_mono(struct snd_soc_codec *codec);
+extern int arizona_init_notifiers(struct snd_soc_codec *codec);
extern int arizona_free_spk(struct snd_soc_codec *codec);
@@ -317,4 +325,13 @@ int arizona_set_output_mode(struct snd_soc_codec *codec, int output,
extern bool arizona_input_analog(struct snd_soc_codec *codec, int shift);
extern const char *arizona_sample_rate_val_to_name(unsigned int rate_val);
+
+extern int arizona_register_notifier(struct snd_soc_codec *codec,
+ struct notifier_block *nb,
+ int (*notify)(struct notifier_block *nb,
+ unsigned long action,
+ void *data));
+extern int arizona_unregister_notifier(struct snd_soc_codec *codec,
+ struct notifier_block *nb);
+
#endif
diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c
index 5ec5a682d186..bbc8cf18ded0 100644
--- a/sound/soc/codecs/cs47l24.c
+++ b/sound/soc/codecs/cs47l24.c
@@ -1067,6 +1067,7 @@ static irqreturn_t cs47l24_adsp2_irq(int irq, void *data)
{
struct cs47l24_priv *priv = data;
struct arizona *arizona = priv->core.arizona;
+ struct arizona_voice_trigger_info info;
int serviced = 0;
int i, ret;
@@ -1074,6 +1075,12 @@ static irqreturn_t cs47l24_adsp2_irq(int irq, void *data)
ret = wm_adsp_compr_handle_irq(&priv->core.adsp[i]);
if (ret != -ENODEV)
serviced++;
+ if (ret == WM_ADSP_COMPR_VOICE_TRIGGER) {
+ info.core = i;
+ arizona_call_notifiers(arizona,
+ ARIZONA_NOTIFY_VOICE_TRIGGER,
+ &info);
+ }
}
if (!serviced) {
@@ -1096,6 +1103,7 @@ static int cs47l24_codec_probe(struct snd_soc_codec *codec)
arizona_init_spk(codec);
arizona_init_gpio(codec);
arizona_init_mono(codec);
+ arizona_init_notifiers(codec);
ret = arizona_request_irq(arizona, ARIZONA_IRQ_DSP_IRQ1,
"ADSP2 Compressed IRQ", cs47l24_adsp2_irq,
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index b5820e4d5471..83c48eca56f5 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -2222,6 +2222,7 @@ static irqreturn_t wm5110_adsp2_irq(int irq, void *data)
{
struct wm5110_priv *priv = data;
struct arizona *arizona = priv->core.arizona;
+ struct arizona_voice_trigger_info info;
int serviced = 0;
int i, ret;
@@ -2229,6 +2230,12 @@ static irqreturn_t wm5110_adsp2_irq(int irq, void *data)
ret = wm_adsp_compr_handle_irq(&priv->core.adsp[i]);
if (ret != -ENODEV)
serviced++;
+ if (ret == WM_ADSP_COMPR_VOICE_TRIGGER) {
+ info.core = i;
+ arizona_call_notifiers(arizona,
+ ARIZONA_NOTIFY_VOICE_TRIGGER,
+ &info);
+ }
}
if (!serviced) {
@@ -2251,6 +2258,7 @@ static int wm5110_codec_probe(struct snd_soc_codec *codec)
arizona_init_spk(codec);
arizona_init_gpio(codec);
arizona_init_mono(codec);
+ arizona_init_notifiers(codec);
ret = arizona_request_irq(arizona, ARIZONA_IRQ_DSP_IRQ1,
"ADSP2 Compressed IRQ", wm5110_adsp2_irq,
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-06 17:50:42 +0300