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ALSA: hda: add snd_hdac_stop_streams() helper 

[ Upstream commit 24ad3835a6 ]

Minor code reuse, no functionality change.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20220919121041.43463-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Stable-dep-of: 1711072372 ("ASoC: Intel: Skylake: Fix driver hang during shutdown")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-09-19 14:10:38 +02:00 committed by Greg Kroah-Hartman
parent b85102a3aa
commit 3183ade6b7
3 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/sound/hdaudio.h
View File

@ -562,6 +562,7 @@ int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start);
void snd_hdac_stream_clear(struct hdac_stream *azx_dev);
void snd_hdac_stream_stop(struct hdac_stream *azx_dev);
void snd_hdac_stop_streams(struct hdac_bus *bus);
void snd_hdac_stop_streams_and_chip(struct hdac_bus *bus);
void snd_hdac_stream_reset(struct hdac_stream *azx_dev);
void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set,

17
sound/hda/hdac_stream.c
View File

@ -142,17 +142,28 @@ void snd_hdac_stream_stop(struct hdac_stream *azx_dev)
}
EXPORT_SYMBOL_GPL(snd_hdac_stream_stop);
/**
* snd_hdac_stop_streams - stop all streams
* @bus: HD-audio core bus
*/
void snd_hdac_stop_streams(struct hdac_bus *bus)
{
struct hdac_stream *stream;
list_for_each_entry(stream, &bus->stream_list, list)
snd_hdac_stream_stop(stream);
}
EXPORT_SYMBOL_GPL(snd_hdac_stop_streams);
/**
* snd_hdac_stop_streams_and_chip - stop all streams and chip if running
* @bus: HD-audio core bus
*/
void snd_hdac_stop_streams_and_chip(struct hdac_bus *bus)
{
struct hdac_stream *stream;
if (bus->chip_init) {
list_for_each_entry(stream, &bus->stream_list, list)
snd_hdac_stream_stop(stream);
snd_hdac_stop_streams(bus);
snd_hdac_bus_stop_chip(bus);
}
}

4
sound/pci/hda/hda_controller.c
View File

@ -1033,10 +1033,8 @@ EXPORT_SYMBOL_GPL(azx_init_chip);
void azx_stop_all_streams(struct azx *chip)
{
struct hdac_bus *bus = azx_bus(chip);
struct hdac_stream *s;
list_for_each_entry(s, &bus->stream_list, list)
snd_hdac_stream_stop(s);
snd_hdac_stop_streams(bus);
}
EXPORT_SYMBOL_GPL(azx_stop_all_streams);