diff --git a/debian/patches/fix-linux-6.9-build.patch b/debian/patches/fix-linux-6.9-build.patch
new file mode 100644
index 0000000..c865a85
--- /dev/null
+++ b/debian/patches/fix-linux-6.9-build.patch
@@ -0,0 +1,99 @@
+diff --git a/src/PCIE/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c b/src/PCIE/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
+index 7c5d9e0..ae7ef84 100644
+--- a/src/PCIE/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
++++ b/src/PCIE/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
+@@ -785,7 +785,11 @@ static void rwnx_csa_finish(struct work_struct *ws)
+ 		} else
+ 			rwnx_txq_vif_stop(vif, RWNX_TXQ_STOP_CHAN, rwnx_hw);
+ 		spin_unlock_bh(&rwnx_hw->cb_lock);
+-#if (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION)
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0))
++		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
++#elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3)
++		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0, 0);
++#elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION)
+ 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
+ #else
+ 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef);
+@@ -5771,13 +5775,16 @@ int rwnx_cfg80211_channel_switch(struct wiphy *wiphy,
+         rwnx_del_csa(vif);
+     } else {
+         INIT_WORK(&csa->work, rwnx_csa_finish);
+-
+-#if LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0))
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
++#elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false, 0);
++#elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION2
+ 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
+ #elif LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
+ 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count, params->block_tx);
+ #else
+-        cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count);
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count);
+ #endif
+     }
+ 
+diff --git a/src/SDIO/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c b/src/SDIO/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
+index 86567f9..d90010b 100644
+--- a/src/SDIO/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
++++ b/src/SDIO/driver_fw/driver/aic8800/aic8800_fdrv/rwnx_main.c
+@@ -781,7 +781,9 @@ static void rwnx_csa_finish(struct work_struct *ws)
+ 		} else
+ 			rwnx_txq_vif_stop(vif, RWNX_TXQ_STOP_CHAN, rwnx_hw);
+ 		spin_unlock_bh(&rwnx_hw->cb_lock);
+-#if (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3)
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0))
++		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
++#elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3)
+ 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0, 0);
+ #elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION)
+ 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
+@@ -5560,7 +5562,9 @@ int rwnx_cfg80211_channel_switch (struct wiphy *wiphy,
+ 		goto end;
+ 	} else {
+ 		INIT_WORK(&csa->work, rwnx_csa_finish);
+-#if LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0))
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
++#elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4
+ 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false, 0);
+ #elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION2
+ 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
+diff --git a/src/USB/driver_fw/drivers/aic8800/aic8800_fdrv/rwnx_main.c b/src/USB/driver_fw/drivers/aic8800/aic8800_fdrv/rwnx_main.c
+index 2c337d8..c9f464d 100644
+--- a/src/USB/driver_fw/drivers/aic8800/aic8800_fdrv/rwnx_main.c
++++ b/src/USB/driver_fw/drivers/aic8800/aic8800_fdrv/rwnx_main.c
+@@ -1072,7 +1072,9 @@ static void rwnx_csa_finish(struct work_struct *ws)
+         } else
+             rwnx_txq_vif_stop(vif, RWNX_TXQ_STOP_CHAN, rwnx_hw);
+         spin_unlock_bh(&rwnx_hw->cb_lock);
+-#if (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3)
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0))
++		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
++#elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION3)
+ 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0, 0);
+ #elif (LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION)
+ 		cfg80211_ch_switch_notify(vif->ndev, &csa->chandef, 0);
+@@ -6044,14 +6046,16 @@ int rwnx_cfg80211_channel_switch(struct wiphy *wiphy,
+         goto end;
+     } else {
+         INIT_WORK(&csa->work, rwnx_csa_finish);
+-#if LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0))
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
++#elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION4
+ 		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false, 0);
+ #elif LINUX_VERSION_CODE >= HIGH_KERNEL_VERSION2
+-        cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, 0, params->count, false);
+ #elif LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0)
+-        cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count, params->block_tx);
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count, params->block_tx);
+ #else
+-        cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count);
++		cfg80211_ch_switch_started_notify(dev, &csa->chandef, params->count);
+ #endif
+ 
+     }
diff --git a/debian/patches/series b/debian/patches/series
index 61b3984..785a7dc 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -8,3 +8,4 @@ fix-linux-6.1-build.patch
 fix-aic_btusb.patch
 fix-linux-6.7-build.patch
 fix-linux-6.5-build.patch
+fix-linux-6.9-build.patch