Unverified Commit dcb88fc4 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
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ASoC: SOF: Intel: hda-mlink: add helper to get SoundWire hlink 



Same functionality as for DMIC/SSP with different ID.

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 avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230512174611.84372-3-pierre-louis.bossart@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 7430dea4

include/sound/hda-mlink.h

+4 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@ int hda_bus_ml_suspend(struct hdac_bus *bus); 


struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus);

struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus);

struct hdac_ext_link *hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus);



struct mutex *hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid);
@@ -155,6 +156,9 @@ hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus) { return NULL; } 
static inline struct hdac_ext_link *

hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) { return NULL; }



static inline struct hdac_ext_link *

hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus) { return NULL; }



static inline struct mutex *

hdac_bus_eml_get_mutex(struct hdac_bus *bus, bool alt, int elid) { return NULL; }

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

+12 −0
Original line number Diff line number Diff line
@@ -850,6 +850,18 @@ struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus) 
}

EXPORT_SYMBOL_NS(hdac_bus_eml_dmic_get_hlink, SND_SOC_SOF_HDA_MLINK);



struct hdac_ext_link *hdac_bus_eml_sdw_get_hlink(struct hdac_bus *bus)

{

	struct hdac_ext2_link *h2link;



	h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_SDW);

	if (!h2link)

		return NULL;



	return &h2link->hext_link;

}

EXPORT_SYMBOL_NS(hdac_bus_eml_sdw_get_hlink, SND_SOC_SOF_HDA_MLINK);



int hdac_bus_eml_enable_offload(struct hdac_bus *bus, bool alt, int elid, bool enable)

{

	struct hdac_ext2_link *h2link;