Unverified Commit 6857c7ee authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
Browse files

ASoC: SOF: Intel: hda-mlink: add helper to return sublink count 



This is needed for SoundWire integration.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRander Wang <rander.wang@intel.com>
Reviewed-by: default avatarPéter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarTakashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230404104127.5629-11-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 725218f1

include/sound/hda-mlink.h

+5 −0
Original line number Diff line number Diff line
@@ -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)

{

sound/soc/sof/intel/hda-mlink.c

+12 −0
Original line number Diff line number Diff line
@@ -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)

{