Unverified Commit 2b864e96 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
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ASoC: SOF: Intel: hda-mlink: add helpers to retrieve DMIC/SSP hlink 



Small helpers to make DAI ops simpler.

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/20230404104127.5629-17-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 87a6ddc0

include/sound/hda-mlink.h

+10 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
 */



struct hdac_bus;

struct hdac_ext_link;



#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_MLINK)
@@ -48,6 +49,9 @@ void hda_bus_ml_reset_losidv(struct hdac_bus *bus); 
int hda_bus_ml_resume(struct hdac_bus *bus);

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);



#else



static inline int
@@ -141,4 +145,10 @@ static inline void hda_bus_ml_reset_losidv(struct hdac_bus *bus) { } 
static inline int hda_bus_ml_resume(struct hdac_bus *bus) { return 0; }

static inline int hda_bus_ml_suspend(struct hdac_bus *bus) { return 0; }



static inline struct hdac_ext_link *

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; }



#endif /* CONFIG_SND_SOC_SOF_HDA */

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

+24 −0
Original line number Diff line number Diff line
@@ -788,6 +788,30 @@ int hda_bus_ml_suspend(struct hdac_bus *bus) 
}

EXPORT_SYMBOL_NS(hda_bus_ml_suspend, SND_SOC_SOF_HDA_MLINK);



struct hdac_ext_link *hdac_bus_eml_ssp_get_hlink(struct hdac_bus *bus)

{

	struct hdac_ext2_link *h2link;



	h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_SSP);

	if (!h2link)

		return NULL;



	return &h2link->hext_link;

}

EXPORT_SYMBOL_NS(hdac_bus_eml_ssp_get_hlink, SND_SOC_SOF_HDA_MLINK);



struct hdac_ext_link *hdac_bus_eml_dmic_get_hlink(struct hdac_bus *bus)

{

	struct hdac_ext2_link *h2link;



	h2link = find_ext2_link(bus, true, AZX_REG_ML_LEPTR_ID_INTEL_DMIC);

	if (!h2link)

		return NULL;



	return &h2link->hext_link;

}

EXPORT_SYMBOL_NS(hdac_bus_eml_dmic_get_hlink, SND_SOC_SOF_HDA_MLINK);



#endif



MODULE_LICENSE("Dual BSD/GPL");