From: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com
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 --- include/sound/hda-mlink.h | 5 +++++ sound/soc/sof/intel/hda-mlink.c | 12 ++++++++++++ 2 files changed, 17 insertions(+)
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);
@@ -34,6 +36,9 @@ 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) { 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) {