summaryrefslogtreecommitdiff
path: root/include/sound/soc-dapm.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/sound/soc-dapm.h')
-rw-r--r--include/sound/soc-dapm.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 1065095c6973..37d95a898275 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -15,6 +15,8 @@
#include <linux/types.h>
#include <sound/control.h>
+#include <sound/soc-topology.h>
+#include <sound/asoc.h>
struct device;
@@ -107,6 +109,10 @@ struct device;
{ .id = snd_soc_dapm_mux, .name = wname, \
SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
.kcontrol_news = wcontrols, .num_kcontrols = 1}
+#define SND_SOC_DAPM_DEMUX(wname, wreg, wshift, winvert, wcontrols) \
+{ .id = snd_soc_dapm_demux, .name = wname, \
+ SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
+ .kcontrol_news = wcontrols, .num_kcontrols = 1}
/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
#define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\
@@ -444,11 +450,15 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(
struct snd_kcontrol *kcontrol);
+int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level);
+
/* dapm widget types */
enum snd_soc_dapm_type {
snd_soc_dapm_input = 0, /* input pin */
snd_soc_dapm_output, /* output pin */
snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */
+ snd_soc_dapm_demux, /* connects the input to one of multiple outputs */
snd_soc_dapm_mixer, /* mixes several analog signals together */
snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */
snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */
@@ -563,6 +573,7 @@ struct snd_soc_dapm_widget {
int num_kcontrols;
const struct snd_kcontrol_new *kcontrol_news;
struct snd_kcontrol **kcontrols;
+ struct snd_soc_dobj dobj;
/* widget input and outputs */
struct list_head sources;
@@ -585,6 +596,10 @@ struct snd_soc_dapm_update {
int val;
};
+struct snd_soc_dapm_wcache {
+ struct snd_soc_dapm_widget *widget;
+};
+
/* DAPM context */
struct snd_soc_dapm_context {
enum snd_soc_bias_level bias_level;
@@ -606,6 +621,9 @@ struct snd_soc_dapm_context {
int (*set_bias_level)(struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level);
+ struct snd_soc_dapm_wcache path_sink_cache;
+ struct snd_soc_dapm_wcache path_source_cache;
+
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_dapm;
#endif
@@ -623,4 +641,35 @@ struct snd_soc_dapm_stats {
int neighbour_checks;
};
+/**
+ * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level
+ * @dapm: The DAPM context to initialize
+ * @level: The DAPM level to initialize to
+ *
+ * This function only sets the driver internal state of the DAPM level and will
+ * not modify the state of the device. Hence it should not be used during normal
+ * operation, but only to synchronize the internal state to the device state.
+ * E.g. during driver probe to set the DAPM level to the one corresponding with
+ * the power-on reset state of the device.
+ *
+ * To change the DAPM state of the device use snd_soc_dapm_set_bias_level().
+ */
+static inline void snd_soc_dapm_init_bias_level(
+ struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level)
+{
+ dapm->bias_level = level;
+}
+
+/**
+ * snd_soc_dapm_get_bias_level() - Get current DAPM bias level
+ * @dapm: The context for which to get the bias level
+ *
+ * Returns: The current bias level of the passed DAPM context.
+ */
+static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level(
+ struct snd_soc_dapm_context *dapm)
+{
+ return dapm->bias_level;
+}
+
#endif