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wl1271: limit TX power to 25dBm for every channel

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The wl1271 firmware supports maximun 25.5dBm, so the driver was returning
-EINVALID to anything above that.  This patch uses the channel max_power
option to limit the TX power to 25dBm.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luciano Coelho
2009-12-11 15:40:46 +02:00
committed by John W. Linville
parent 9cf25fed6a
commit a2d0e3f130
1 changed files with 13 additions and 13 deletions
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26
drivers/net/wireless/wl12xx/wl1271_main.c
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@@ -1675,19 +1675,19 @@ static struct ieee80211_rate wl1271_rates[] = {
/* can't be const, mac80211 writes to this */ /* can't be const, mac80211 writes to this */
static struct ieee80211_channel wl1271_channels[] = { static struct ieee80211_channel wl1271_channels[] = {
{ .hw_value = 1, .center_freq = 2412}, { .hw_value = 1, .center_freq = 2412, .max_power = 25 },
{ .hw_value = 2, .center_freq = 2417}, { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
{ .hw_value = 3, .center_freq = 2422}, { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
{ .hw_value = 4, .center_freq = 2427}, { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
{ .hw_value = 5, .center_freq = 2432}, { .hw_value = 5, .center_freq = 2432, .max_power = 25 },
{ .hw_value = 6, .center_freq = 2437}, { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
{ .hw_value = 7, .center_freq = 2442}, { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
{ .hw_value = 8, .center_freq = 2447}, { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
{ .hw_value = 9, .center_freq = 2452}, { .hw_value = 9, .center_freq = 2452, .max_power = 25 },
{ .hw_value = 10, .center_freq = 2457}, { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
{ .hw_value = 11, .center_freq = 2462}, { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
{ .hw_value = 12, .center_freq = 2467}, { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
{ .hw_value = 13, .center_freq = 2472}, { .hw_value = 13, .center_freq = 2472, .max_power = 25 },
}; };
/* can't be const, mac80211 writes to this */ /* can't be const, mac80211 writes to this */