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-rw-r--r--include/sound/ac97_codec.h2
-rw-r--r--include/sound/hda_i915.h9
-rw-r--r--include/sound/hda_register.h4
-rw-r--r--include/sound/hdaudio.h19
-rw-r--r--include/sound/hdaudio_ext.h71
-rw-r--r--include/sound/rcar_snd.h14
-rw-r--r--include/sound/rt298.h20
-rw-r--r--include/sound/soc-dapm.h84
-rw-r--r--include/sound/soc-topology.h13
-rw-r--r--include/sound/soc.h29
10 files changed, 230 insertions, 35 deletions
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index 0e9d75b49bed..74bc85473b58 100644
--- a/include/sound/ac97_codec.h
+++ b/include/sound/ac97_codec.h
@@ -584,6 +584,8 @@ static inline int snd_ac97_update_power(struct snd_ac97 *ac97, int reg,
void snd_ac97_suspend(struct snd_ac97 *ac97);
void snd_ac97_resume(struct snd_ac97 *ac97);
#endif
+int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id,
+ unsigned int id_mask);
/* quirk types */
enum {
diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
index adb5ba5cbd9d..930b41e5acf4 100644
--- a/include/sound/hda_i915.h
+++ b/include/sound/hda_i915.h
@@ -4,14 +4,17 @@
#ifndef __SOUND_HDA_I915_H
#define __SOUND_HDA_I915_H
+#include <drm/i915_component.h>
+
#ifdef CONFIG_SND_HDA_I915
int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
int snd_hdac_get_display_clk(struct hdac_bus *bus);
int snd_hdac_i915_init(struct hdac_bus *bus);
int snd_hdac_i915_exit(struct hdac_bus *bus);
+int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
#else
-static int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
+static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
{
return 0;
}
@@ -31,6 +34,10 @@ static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
{
return 0;
}
+static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
+{
+ return -ENODEV;
+}
#endif
#endif /* __SOUND_HDA_I915_H */
diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h
index ae995e523ff8..2ae8812d7b1a 100644
--- a/include/sound/hda_register.h
+++ b/include/sound/hda_register.h
@@ -160,6 +160,10 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
#define AZX_SPB_BASE 0x08
/* Interval used to calculate the iterating register offset */
#define AZX_SPB_INTERVAL 0x08
+/* SPIB base */
+#define AZX_SPB_SPIB 0x00
+/* SPIB MAXFIFO base*/
+#define AZX_SPB_MAXFIFO 0x04
/* registers of Global Time Synchronization Capability Structure */
#define AZX_GTS_CAP_ID 0x1
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 4caf1fde8a4f..49bc836fcd84 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -119,6 +119,7 @@ int snd_hdac_device_register(struct hdac_device *codec);
void snd_hdac_device_unregister(struct hdac_device *codec);
int snd_hdac_refresh_widgets(struct hdac_device *codec);
+int snd_hdac_refresh_widget_sysfs(struct hdac_device *codec);
unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
unsigned int verb, unsigned int parm);
@@ -164,15 +165,15 @@ static inline int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid,
}
#ifdef CONFIG_PM
-void snd_hdac_power_up(struct hdac_device *codec);
-void snd_hdac_power_down(struct hdac_device *codec);
-void snd_hdac_power_up_pm(struct hdac_device *codec);
-void snd_hdac_power_down_pm(struct hdac_device *codec);
+int snd_hdac_power_up(struct hdac_device *codec);
+int snd_hdac_power_down(struct hdac_device *codec);
+int snd_hdac_power_up_pm(struct hdac_device *codec);
+int snd_hdac_power_down_pm(struct hdac_device *codec);
#else
-static inline void snd_hdac_power_up(struct hdac_device *codec) {}
-static inline void snd_hdac_power_down(struct hdac_device *codec) {}
-static inline void snd_hdac_power_up_pm(struct hdac_device *codec) {}
-static inline void snd_hdac_power_down_pm(struct hdac_device *codec) {}
+static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; }
+static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; }
+static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; }
+static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; }
#endif
/*
@@ -437,6 +438,8 @@ void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev,
struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus,
struct snd_pcm_substream *substream);
void snd_hdac_stream_release(struct hdac_stream *azx_dev);
+struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus,
+ int dir, int stream_tag);
int snd_hdac_stream_setup(struct hdac_stream *azx_dev);
void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev);
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h
index 0f89df1511dc..94210dcdb6ea 100644
--- a/include/sound/hdaudio_ext.h
+++ b/include/sound/hdaudio_ext.h
@@ -34,6 +34,7 @@ int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
+void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus);
#define ebus_to_hbus(ebus) (&(ebus)->bus)
#define hbus_to_ebus(_bus) \
@@ -62,6 +63,8 @@ enum hdac_ext_stream_type {
* @hstream: hdac_stream
* @pphc_addr: processing pipe host stream pointer
* @pplc_addr: processing pipe link stream pointer
+ * @spib_addr: software position in buffers stream pointer
+ * @fifo_addr: software position Max fifos stream pointer
* @decoupled: stream host and link is decoupled
* @link_locked: link is locked
* @link_prepared: link is prepared
@@ -73,6 +76,9 @@ struct hdac_ext_stream {
void __iomem *pphc_addr;
void __iomem *pplc_addr;
+ void __iomem *spib_addr;
+ void __iomem *fifo_addr;
+
bool decoupled:1;
bool link_locked:1;
bool link_prepared;
@@ -99,6 +105,11 @@ void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus,
struct hdac_ext_stream *azx_dev, bool decouple);
void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus);
+int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus,
+ struct hdac_ext_stream *stream, u32 value);
+int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus,
+ struct hdac_ext_stream *stream);
+
void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
@@ -115,6 +126,7 @@ struct hdac_ext_link {
int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
+int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus);
void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
int stream);
void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
@@ -129,4 +141,63 @@ void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
writew(((readw(addr + reg) & ~(mask)) | (val)), \
addr + reg)
+
+struct hdac_ext_device;
+
+/* ops common to all codec drivers */
+struct hdac_ext_codec_ops {
+ int (*build_controls)(struct hdac_ext_device *dev);
+ int (*init)(struct hdac_ext_device *dev);
+ void (*free)(struct hdac_ext_device *dev);
+};
+
+struct hda_dai_map {
+ char *dai_name;
+ hda_nid_t nid;
+ u32 maxbps;
+};
+
+#define HDA_MAX_NIDS 16
+
+/**
+ * struct hdac_ext_device - HDAC Ext device
+ *
+ * @hdac: hdac core device
+ * @nid_list - the dai map which matches the dai-name with the nid
+ * @map_cur_idx - the idx in use in dai_map
+ * @ops - the hda codec ops common to all codec drivers
+ * @pvt_data - private data, for asoc contains asoc codec object
+ */
+struct hdac_ext_device {
+ struct hdac_device hdac;
+ struct hdac_ext_bus *ebus;
+
+ /* soc-dai to nid map */
+ struct hda_dai_map nid_list[HDA_MAX_NIDS];
+ unsigned int map_cur_idx;
+
+ /* codec ops */
+ struct hdac_ext_codec_ops ops;
+
+ void *private_data;
+};
+
+#define to_ehdac_device(dev) (container_of((dev), \
+ struct hdac_ext_device, hdac))
+/*
+ * HD-audio codec base driver
+ */
+struct hdac_ext_driver {
+ struct hdac_driver hdac;
+
+ int (*probe)(struct hdac_ext_device *dev);
+ int (*remove)(struct hdac_ext_device *dev);
+ void (*shutdown)(struct hdac_ext_device *dev);
+};
+
+int snd_hda_ext_driver_register(struct hdac_ext_driver *drv);
+void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv);
+
+#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac)
+
#endif /* __SOUND_HDAUDIO_EXT_H */
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
index 4cecd0c175f6..bb7b2ebfee7b 100644
--- a/include/sound/rcar_snd.h
+++ b/include/sound/rcar_snd.h
@@ -61,6 +61,14 @@ struct rsnd_src_platform_info {
/*
* flags
*/
+struct rsnd_ctu_platform_info {
+ u32 flags;
+};
+
+struct rsnd_mix_platform_info {
+ u32 flags;
+};
+
struct rsnd_dvc_platform_info {
u32 flags;
};
@@ -68,6 +76,8 @@ struct rsnd_dvc_platform_info {
struct rsnd_dai_path_info {
struct rsnd_ssi_platform_info *ssi;
struct rsnd_src_platform_info *src;
+ struct rsnd_ctu_platform_info *ctu;
+ struct rsnd_mix_platform_info *mix;
struct rsnd_dvc_platform_info *dvc;
};
@@ -93,6 +103,10 @@ struct rcar_snd_info {
int ssi_info_nr;
struct rsnd_src_platform_info *src_info;
int src_info_nr;
+ struct rsnd_ctu_platform_info *ctu_info;
+ int ctu_info_nr;
+ struct rsnd_mix_platform_info *mix_info;
+ int mix_info_nr;
struct rsnd_dvc_platform_info *dvc_info;
int dvc_info_nr;
struct rsnd_dai_platform_info *dai_info;
diff --git a/include/sound/rt298.h b/include/sound/rt298.h
new file mode 100644
index 000000000000..7fffeaa84f64
--- /dev/null
+++ b/include/sound/rt298.h
@@ -0,0 +1,20 @@
+/*
+ * linux/sound/rt286.h -- Platform data for RT286
+ *
+ * Copyright 2013 Realtek Microelectronics
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_RT298_H
+#define __LINUX_SND_RT298_H
+
+struct rt298_platform_data {
+ bool cbj_en; /*combo jack enable*/
+ bool gpio2_en; /*GPIO2 enable*/
+ bool suspend_power_off; /* power is off during suspend */
+};
+
+#endif
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 37d95a898275..5abba037d245 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -397,6 +397,7 @@ int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num);
int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num);
+void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w);
/* dapm events */
void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
@@ -511,9 +512,18 @@ struct snd_soc_dapm_route {
struct snd_soc_dapm_path {
const char *name;
- /* source (input) and sink (output) widgets */
- struct snd_soc_dapm_widget *source;
- struct snd_soc_dapm_widget *sink;
+ /*
+ * source (input) and sink (output) widgets
+ * The union is for convience, since it is a lot nicer to type
+ * p->source, rather than p->node[SND_SOC_DAPM_DIR_IN]
+ */
+ union {
+ struct {
+ struct snd_soc_dapm_widget *source;
+ struct snd_soc_dapm_widget *sink;
+ };
+ struct snd_soc_dapm_widget *node[2];
+ };
/* status */
u32 connect:1; /* source and sink widgets are connected */
@@ -524,8 +534,7 @@ struct snd_soc_dapm_path {
int (*connected)(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink);
- struct list_head list_source;
- struct list_head list_sink;
+ struct list_head list_node[2];
struct list_head list_kcontrol;
struct list_head list;
};
@@ -559,8 +568,7 @@ struct snd_soc_dapm_widget {
unsigned char new_power:1; /* power from this run */
unsigned char power_checked:1; /* power checked this run */
unsigned char is_supply:1; /* Widget is a supply type widget */
- unsigned char is_sink:1; /* Widget is a sink type widget */
- unsigned char is_source:1; /* Widget is a source type widget */
+ unsigned char is_ep:2; /* Widget is a endpoint type widget */
int subseq; /* sort within widget type */
int (*power_check)(struct snd_soc_dapm_widget *w);
@@ -575,16 +583,14 @@ struct snd_soc_dapm_widget {
struct snd_kcontrol **kcontrols;
struct snd_soc_dobj dobj;
- /* widget input and outputs */
- struct list_head sources;
- struct list_head sinks;
+ /* widget input and output edges */
+ struct list_head edges[2];
/* used during DAPM updates */
struct list_head work_list;
struct list_head power_list;
struct list_head dirty;
- int inputs;
- int outputs;
+ int endpoints[2];
struct clk *clk;
};
@@ -672,4 +678,58 @@ static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level(
return dapm->bias_level;
}
+enum snd_soc_dapm_direction {
+ SND_SOC_DAPM_DIR_IN,
+ SND_SOC_DAPM_DIR_OUT
+};
+
+#define SND_SOC_DAPM_DIR_TO_EP(x) BIT(x)
+
+#define SND_SOC_DAPM_EP_SOURCE SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_IN)
+#define SND_SOC_DAPM_EP_SINK SND_SOC_DAPM_DIR_TO_EP(SND_SOC_DAPM_DIR_OUT)
+
+/**
+ * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths in the
+ * specified direction of a widget
+ * @w: The widget
+ * @dir: Whether to iterate over the paths where the specified widget is the
+ * incoming or outgoing widgets
+ * @p: The path iterator variable
+ */
+#define snd_soc_dapm_widget_for_each_path(w, dir, p) \
+ list_for_each_entry(p, &w->edges[dir], list_node[dir])
+
+/**
+ * snd_soc_dapm_widget_for_each_sink_path_safe - Iterates over all paths in the
+ * specified direction of a widget
+ * @w: The widget
+ * @dir: Whether to iterate over the paths where the specified widget is the
+ * incoming or outgoing widgets
+ * @p: The path iterator variable
+ * @next_p: Temporary storage for the next path
+ *
+ * This function works like snd_soc_dapm_widget_for_each_sink_path, expect that
+ * it is safe to remove the current path from the list while iterating
+ */
+#define snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p) \
+ list_for_each_entry_safe(p, next_p, &w->edges[dir], list_node[dir])
+
+/**
+ * snd_soc_dapm_widget_for_each_sink_path - Iterates over all paths leaving a
+ * widget
+ * @w: The widget
+ * @p: The path iterator variable
+ */
+#define snd_soc_dapm_widget_for_each_sink_path(w, p) \
+ snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_IN, p)
+
+/**
+ * snd_soc_dapm_widget_for_each_source_path - Iterates over all paths leading to
+ * a widget
+ * @w: The widget
+ * @p: The path iterator variable
+ */
+#define snd_soc_dapm_widget_for_each_source_path(w, p) \
+ snd_soc_dapm_widget_for_each_path(w, SND_SOC_DAPM_DIR_OUT, p)
+
#endif
diff --git a/include/sound/soc-topology.h b/include/sound/soc-topology.h
index 427bc41df3ae..086cd7ff6ddc 100644
--- a/include/sound/soc-topology.h
+++ b/include/sound/soc-topology.h
@@ -89,6 +89,13 @@ struct snd_soc_tplg_kcontrol_ops {
struct snd_ctl_elem_info *uinfo);
};
+/* Bytes ext operations, for TLV byte controls */
+struct snd_soc_tplg_bytes_ext_ops {
+ u32 id;
+ int (*get)(unsigned int __user *bytes, unsigned int size);
+ int (*put)(const unsigned int __user *bytes, unsigned int size);
+};
+
/*
* DAPM widget event handlers - used to map handlers onto widgets.
*/
@@ -136,9 +143,13 @@ struct snd_soc_tplg_ops {
int (*manifest)(struct snd_soc_component *,
struct snd_soc_tplg_manifest *);
- /* bespoke kcontrol handlers available for binding */
+ /* vendor specific kcontrol handlers available for binding */
const struct snd_soc_tplg_kcontrol_ops *io_ops;
int io_ops_count;
+
+ /* vendor specific bytes ext handlers available for binding */
+ const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
+ int bytes_ext_ops_count;
};
#ifdef CONFIG_SND_SOC_TOPOLOGY
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 93df8bf9d54a..884e728b09d9 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -526,7 +526,8 @@ int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
#ifdef CONFIG_SND_SOC_AC97_BUS
struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
-struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec);
+struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
+ unsigned int id, unsigned int id_mask);
void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
@@ -619,6 +620,7 @@ int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
* @pin: name of the pin to update
* @mask: bits to check for in reported jack status
* @invert: if non-zero then pin is enabled when status is not reported
+ * @list: internal list entry
*/
struct snd_soc_jack_pin {
struct list_head list;
@@ -635,7 +637,7 @@ struct snd_soc_jack_pin {
* @jack_type: type of jack that is expected for this voltage
* @debounce_time: debounce_time for jack, codec driver should wait for this
* duration before reading the adc for voltages
- * @:list: list container
+ * @list: internal list entry
*/
struct snd_soc_jack_zone {
unsigned int min_mv;
@@ -651,12 +653,12 @@ struct snd_soc_jack_zone {
* @gpio: legacy gpio number
* @idx: gpio descriptor index within the function of the GPIO
* consumer device
- * @gpiod_dev GPIO consumer device
+ * @gpiod_dev: GPIO consumer device
* @name: gpio name. Also as connection ID for the GPIO consumer
* device function name lookup
* @report: value to report when jack detected
* @invert: report presence in low state
- * @debouce_time: debouce time in ms
+ * @debounce_time: debounce time in ms
* @wake: enable as wake source
* @jack_status_check: callback function which overrides the detection
* to provide more complex checks (eg, reading an
@@ -672,11 +674,13 @@ struct snd_soc_jack_gpio {
int debounce_time;
bool wake;
+ /* private: */
struct snd_soc_jack *jack;
struct delayed_work work;
struct gpio_desc *desc;
void *data;
+ /* public: */
int (*jack_status_check)(void *data);
};
@@ -758,7 +762,6 @@ struct snd_soc_component {
unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
unsigned int registered_as_component:1;
- unsigned int probed:1;
struct list_head list;
@@ -792,7 +795,6 @@ struct snd_soc_component {
/* Don't use these, use snd_soc_component_get_dapm() */
struct snd_soc_dapm_context dapm;
- struct snd_soc_dapm_context *dapm_ptr;
const struct snd_kcontrol_new *controls;
unsigned int num_controls;
@@ -832,9 +834,6 @@ struct snd_soc_codec {
/* component */
struct snd_soc_component component;
- /* Don't access this directly, use snd_soc_codec_get_dapm() */
- struct snd_soc_dapm_context dapm;
-
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_reg;
#endif
@@ -1277,7 +1276,7 @@ static inline struct snd_soc_component *snd_soc_dapm_to_component(
static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
struct snd_soc_dapm_context *dapm)
{
- return container_of(dapm, struct snd_soc_codec, dapm);
+ return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
}
/**
@@ -1302,7 +1301,7 @@ static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
struct snd_soc_component *component)
{
- return component->dapm_ptr;
+ return &component->dapm;
}
/**
@@ -1314,12 +1313,12 @@ static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
struct snd_soc_codec *codec)
{
- return &codec->dapm;
+ return snd_soc_component_get_dapm(&codec->component);
}
/**
* snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
- * @dapm: The CODEC for which to initialize the DAPM bias level
+ * @codec: The CODEC for which to initialize the DAPM bias level
* @level: The DAPM level to initialize to
*
* Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
@@ -1604,6 +1603,10 @@ int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
int snd_soc_of_parse_tdm_slot(struct device_node *np,
unsigned int *slots,
unsigned int *slot_width);
+void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
+ struct snd_soc_codec_conf *codec_conf,
+ struct device_node *of_node,
+ const char *propname);
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
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