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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2023-04-04 12:41:19 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-06 17:45:42 +0200 |
| commit | 6857c7ee202cf4b8224882bcee8e3b97c26b6484 (patch) | |
| tree | 391459366fbe38eae0e2cdfdd8b269de4fd59f2d /sound/soc | |
| parent | ASoC: SOF: Intel: hda-mlink: add convenience helpers for SoundWire PM (diff) | |
| download | linux-6857c7ee202cf4b8224882bcee8e3b97c26b6484.tar.xz linux-6857c7ee202cf4b8224882bcee8e3b97c26b6484.zip | |
ASoC: SOF: Intel: hda-mlink: add helper to return sublink count
This is needed for SoundWire integration.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230404104127.5629-11-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/sof/intel/hda-mlink.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index 5045c10bed76..02743c342f28 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -328,6 +328,18 @@ find_ext2_link(struct hdac_bus *bus, bool alt, int elid) return NULL; } +int hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid) +{ + struct hdac_ext2_link *h2link; + + h2link = find_ext2_link(bus, alt, elid); + if (!h2link) + return 0; + + return h2link->slcount; +} +EXPORT_SYMBOL_NS(hdac_bus_eml_get_count, SND_SOC_SOF_HDA_MLINK); + static int hdac_bus_eml_power_up_base(struct hdac_bus *bus, bool alt, int elid, int sublink, bool eml_lock) { |