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authorJakub Kicinski <kuba@kernel.org>2024-04-04 17:03:18 -0700
committerJakub Kicinski <kuba@kernel.org>2024-04-04 18:01:07 -0700
commitcf1ca1f66d301a55ab8e79188ddf347a8d011e35 (patch)
tree3482f65987c61b1e46b5862352c8f45ac30442e6 /sound/hda/intel-nhlt.c
parent1148c4098e918b4ffb3cc222b897c465328d2391 (diff)
parentc88b9b4cde17aec34fb9bfaf69f9f72a1c44f511 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: net/ipv4/ip_gre.c 17af420545a7 ("erspan: make sure erspan_base_hdr is present in skb->head") 5832c4a77d69 ("ip_tunnel: convert __be16 tunnel flags to bitmaps") https://lore.kernel.org/all/20240402103253.3b54a1cf@canb.auug.org.au/ Adjacent changes: net/ipv6/ip6_fib.c d21d40605bca ("ipv6: Fix infinite recursion in fib6_dump_done().") 5fc68320c1fb ("ipv6: remove RTNL protection from inet6_dump_fib()") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'sound/hda/intel-nhlt.c')
-rw-r--r--sound/hda/intel-nhlt.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c
index 696a958d93e9..088cff799e0b 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);