iwinfo: factor txpower offset into info display output, recompile if driver selection changes

SVN-Revision: 29634

package/iwinfo/Makefile

@@ -7,9 +7,15 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libiwinfo
-PKG_RELEASE:=21
+PKG_RELEASE:=22
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
+PKG_CONFIG_DEPENDS := \
+	CONFIG_PACKAGE_kmod-brcm-wl \
+	CONFIG_PACKAGE_kmod-brcm-wl-mini \
+	CONFIG_PACKAGE_kmod-brcm-wl-mimo \
+	CONFIG_PACKAGE_kmod-madwifi \
+	CONFIG_PACKAGE_kmod-mac80211
 
 include $(INCLUDE_DIR)/package.mk
 

package/iwinfo/src/iwinfo_cli.c

@@ -391,9 +391,14 @@ static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
 
 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
 {
-	int pwr;
+	int pwr, off;
+	if (iw->txpower_offset(ifname, &off))
+		off = 0;
+
 	if (iw->txpower(ifname, &pwr))
 		pwr = -1;
+	else
+		pwr += off;
 
 	return format_txpower(pwr);
 }