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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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com
Reviewed-by: Rander Wang <rander.wang@intel.com
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com
Reviewed-by: Bard 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: Mark Brown <broonie@kernel.org
This commit is contained in:
Pierre-Louis Bossart 2023-05-12 12:46:07 -05:00 committed by Mark Brown
parent 7430dea494
commit dcb88fc47d
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2 changed files with 16 additions and 0 deletions
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4
include/sound/hda-mlink.h
View File

@ -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; }

12
sound/soc/sof/intel/hda-mlink.c
View File

@ -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;