diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-07-28 16:41:06 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-29 12:46:49 -0400 |
| commit | ece550d0e416b4146e1ec3d934f9773dbf8c7242 (patch) | |
| tree | cfdce97332f066556a0c80746c4ef2f4a0f80a67 /drivers/net/wireless/wl12xx/wl1271_rx.c | |
| parent | bef9cb589d37c5eb2e3fb9e529fa3933db4dda19 (diff) | |
wl1271: add get_survey callback in order to get channel noise
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_rx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_rx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c index e98f22b3c3ba..019aa79cd9df 100644 --- a/drivers/net/wireless/wl12xx/wl1271_rx.c +++ b/drivers/net/wireless/wl12xx/wl1271_rx.c @@ -55,6 +55,13 @@ static void wl1271_rx_status(struct wl1271 *wl, status->signal = desc->rssi; + /* + * FIXME: In wl1251, the SNR should be divided by two. In wl1271 we + * need to divide by two for now, but TI has been discussing about + * changing it. This needs to be rechecked. + */ + wl->noise = desc->rssi - (desc->snr >> 1); + status->freq = ieee80211_channel_to_frequency(desc->channel); if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) { |