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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:40 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:40 +0000 |
| commit | 8b0a8165cdad0f4133837d753649ef4682e42c3b (patch) | |
| tree | 5c58f869f31ddb1f7bd6e8bdea269b680b36c5b6 /sound/hda/intel-nhlt.c | |
| parent | Releasing progress-linux version 6.8.12-1~progress7.99u1. (diff) | |
| download | linux-8b0a8165cdad0f4133837d753649ef4682e42c3b.tar.xz linux-8b0a8165cdad0f4133837d753649ef4682e42c3b.zip | |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/hda/intel-nhlt.c')
| -rw-r--r-- | sound/hda/intel-nhlt.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c index 696a958d93..088cff799e 100644 --- a/sound/hda/intel-nhlt.c +++ b/sound/hda/intel-nhlt.c @@ -343,3 +343,29 @@ intel_nhlt_get_endpoint_blob(struct device *dev, struct nhlt_acpi_table *nhlt, return NULL; } EXPORT_SYMBOL(intel_nhlt_get_endpoint_blob); + +int intel_nhlt_ssp_device_type(struct device *dev, struct nhlt_acpi_table *nhlt, + u8 virtual_bus_id) +{ + struct nhlt_endpoint *epnt; + int i; + + if (!nhlt) + return -EINVAL; + + epnt = (struct nhlt_endpoint *)nhlt->desc; + for (i = 0; i < nhlt->endpoint_count; i++) { + /* for SSP link the virtual bus id is the SSP port number */ + if (epnt->linktype == NHLT_LINK_SSP && + epnt->virtual_bus_id == virtual_bus_id) { + dev_dbg(dev, "SSP%d: dev_type=%d\n", virtual_bus_id, + epnt->device_type); + return epnt->device_type; + } + + epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); + } + + return -EINVAL; +} +EXPORT_SYMBOL(intel_nhlt_ssp_device_type); |