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path: root/drivers/net/wireless/zd1211rw/zd_ieee80211.c
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Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_ieee80211.c')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_ieee80211.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.c b/drivers/net/wireless/zd1211rw/zd_ieee80211.c
index 1b215a09974..189160efd2a 100644
--- a/drivers/net/wireless/zd1211rw/zd_ieee80211.c
+++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.c
@@ -37,7 +37,12 @@ static const struct channel_range channel_ranges[] = {
[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)