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path: root/drivers/net/wireless/ath/ath9k/btcoex.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index e8bfb01ee78..55f607b7699 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -19,6 +19,29 @@
static const struct ath_btcoex_config ath_bt_config = { 0, true, true,
ATH_BT_COEX_MODE_SLOTTED, true, true, 2, 5, true };
+static const u16 ath_subsysid_tbl[] = {
+ AR9280_COEX2WIRE_SUBSYSID,
+ AT9285_COEX3WIRE_SA_SUBSYSID,
+ AT9285_COEX3WIRE_DA_SUBSYSID
+};
+
+/*
+ * Checks the subsystem id of the device to see if it
+ * supports btcoex
+ */
+bool ath_btcoex_supported(u16 subsysid)
+{
+ int i;
+
+ if (!subsysid)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(ath_subsysid_tbl); i++)
+ if (subsysid == ath_subsysid_tbl[i])
+ return true;
+
+ return false;
+}
/*
* Detects if there is any priority bt traffic