[openwrt/openwrt] wifi-scripts: fix setting tx power on some drivers

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch openwrt-24.10:
https://git.openwrt.org/2f60e7f00629bb12b066c06fee6b67664776b475

commit 2f60e7f00629bb12b066c06fee6b67664776b475
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Sat Jan 4 11:52:50 2025 +0100

    wifi-scripts: fix setting tx power on some drivers
    
    On some drivers, setting the tx power on the interface is not enough.
    Set it for the phy as well.
    
    Fixes: 04fb05914ea7 ("wifi-scripts: add multi-radio config support")
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
    (cherry picked from commit b795e5cbcffc54e858bc8d3bde0031a2ca32377e)
---
 .../config/wifi-scripts/files/lib/netifd/wireless/mac80211.sh     | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/package/network/config/wifi-scripts/files/lib/netifd/wireless/mac80211.sh b/package/network/config/wifi-scripts/files/lib/netifd/wireless/mac80211.sh
index 5837f1c748..42d7bc66d0 100755
--- a/package/network/config/wifi-scripts/files/lib/netifd/wireless/mac80211.sh
+++ b/package/network/config/wifi-scripts/files/lib/netifd/wireless/mac80211.sh
@@ -1203,6 +1203,14 @@ drv_mac80211_setup() {
 	wdev_tool "$phy$phy_suffix" set_config "$(json_dump)" $active_ifnames
 	json_set_namespace "$prev"
 
+	[ -z "$phy_suffix" ] && {
+		if [ -n "$txpower" ]; then
+			iw phy "$phy" set txpower fixed "${txpower%%.*}00"
+		else
+			iw phy "$phy" set txpower auto
+		fi
+	}
+
 	for_each_interface "ap sta adhoc mesh monitor" mac80211_set_vif_txpower
 	wireless_set_up
 }