[PATCH] zd1211rw: Allow channels 1-13 in Japan
From: Daniel Drake <hidden>
Date: 2006-11-22 00:06:26
Eric Goff found that he could not use his ZD1211 device which is programmed for the Japan regulatory domain. It turns out that ZyDAS deviate from the spec here: they do not use the newer Japan region code (0x41) but their drivers do operate as if the newer Japan legal frequency range is in effect. Signed-off-by: Daniel Drake <redacted> --- zd_ieee80211.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) Index: linux/drivers/net/wireless/zd1211rw/zd_ieee80211.c ===================================================================
--- linux.orig/drivers/net/wireless/zd1211rw/zd_ieee80211.c
+++ linux/drivers/net/wireless/zd1211rw/zd_ieee80211.c@@ -37,7 +37,12 @@ static const struct channel_range channe [ZD_REGDOMAIN_JAPAN] = { 1, 14}, [ZD_REGDOMAIN_SPAIN] = { 1, 14}, [ZD_REGDOMAIN_FRANCE] = { 1, 14}, - [ZD_REGDOMAIN_JAPAN_ADD] = {14, 15}, + + /* Japan originally only had channel 14 available (see CHNL_ID 0x40 in + * 802.11). However, in 2001 the range was extended to include channels + * 1-13. The ZyDAS devices still use the old region code but are + * designed to allow the extra channel access in Japan. */ + [ZD_REGDOMAIN_JAPAN_ADD] = { 1, 15}, }; const struct channel_range *zd_channel_range(u8 regdomain)