diff options
| author | Pierre-Louis Bossart <[email protected]> | 2023-04-04 13:41:19 +0300 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2023-04-06 16:45:42 +0100 |
| commit | 6857c7ee202cf4b8224882bcee8e3b97c26b6484 (patch) | |
| tree | 391459366fbe38eae0e2cdfdd8b269de4fd59f2d | |
| parent | 725218f1d8210ee6eba2c2e923ea26a312fb3f46 (diff) | |
ASoC: SOF: Intel: hda-mlink: add helper to return sublink count
This is needed for SoundWire integration.
Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Rander Wang <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Signed-off-by: Peter Ujfalusi <[email protected]>
Reviewed-by: Takashi Iwai <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
| -rw-r--r-- | include/sound/hda-mlink.h | 5 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda-mlink.c | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/sound/hda-mlink.h b/include/sound/hda-mlink.h index c47008a603d0..d7f65cb6e175 100644 --- a/include/sound/hda-mlink.h +++ b/include/sound/hda-mlink.h @@ -13,6 +13,8 @@ struct hdac_bus; int hda_bus_ml_init(struct hdac_bus *bus); void hda_bus_ml_free(struct hdac_bus *bus); +int hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid); + int hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink); int hdac_bus_eml_power_up_unlocked(struct hdac_bus *bus, bool alt, int elid, int sublink); @@ -35,6 +37,9 @@ hda_bus_ml_init(struct hdac_bus *bus) { return 0; } static inline void hda_bus_ml_free(struct hdac_bus *bus) { } static inline int +hdac_bus_eml_get_count(struct hdac_bus *bus, bool alt, int elid) { return 0; } + +static inline int hdac_bus_eml_power_up(struct hdac_bus *bus, bool alt, int elid, int sublink) { return 0; 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) { |