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Commit 18d43c9b authored by Keyon Jie's avatar Keyon Jie Committed by Takashi Iwai
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ALSA: HDA: export process_unsol_events() 



The SOF implementation does not rely on the hdac_bus library, however
for HDMI and HDaudio codec support it does need to deal with
unsolicited events. Instead of re-inventing the wheel, export this
symbol to reuse this part of the library directly.

Signed-off-by: default avatarKeyon Jie <yang.jie@linux.intel.com>
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 9cf6533e

include/sound/hdaudio.h

+1 −0
Original line number Diff line number Diff line
@@ -387,6 +387,7 @@ void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex); 
int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);

void snd_hdac_bus_remove_device(struct hdac_bus *bus,

				struct hdac_device *codec);

void snd_hdac_bus_process_unsol_events(struct work_struct *work);



static inline void snd_hdac_codec_link_up(struct hdac_device *codec)

{

sound/hda/hdac_bus.c

+3 −4
Original line number Diff line number Diff line
@@ -9,8 +9,6 @@ 
#include <sound/hdaudio.h>

#include "trace.h"



static void process_unsol_events(struct work_struct *work);



static const struct hdac_bus_ops default_ops = {

	.command = snd_hdac_bus_send_cmd,

	.get_response = snd_hdac_bus_get_response,
@@ -37,7 +35,7 @@ int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, 
	bus->io_ops = io_ops;

	INIT_LIST_HEAD(&bus->stream_list);

	INIT_LIST_HEAD(&bus->codec_list);

	INIT_WORK(&bus->unsol_work, process_unsol_events);

	INIT_WORK(&bus->unsol_work, snd_hdac_bus_process_unsol_events);

	spin_lock_init(&bus->reg_lock);

	mutex_init(&bus->cmd_mutex);

	bus->irq = -1;
@@ -148,7 +146,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_queue_event); 
/*

 * process queued unsolicited events

 */

static void process_unsol_events(struct work_struct *work)

void snd_hdac_bus_process_unsol_events(struct work_struct *work)

{

	struct hdac_bus *bus = container_of(work, struct hdac_bus, unsol_work);

	struct hdac_device *codec;
@@ -171,6 +169,7 @@ static void process_unsol_events(struct work_struct *work) 
			drv->unsol_event(codec, res);

	}

}

EXPORT_SYMBOL_GPL(snd_hdac_bus_process_unsol_events);



/**

 * snd_hdac_bus_add_device - Add a codec to bus