ieee80211_channel contains all the necessary information to change
power according to tx mode required.
vnt_rf_setpower is moved and so that vnt_rf_set_txpower the only
caller becomes static.
Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
---
drivers/staging/vt6656/main_usb.c | 16 ++-----
drivers/staging/vt6656/rf.c | 79 +++++++++++++++----------------
drivers/staging/vt6656/rf.h | 3 +-
drivers/staging/vt6656/wcmd.c | 3 +-
4 files changed, 43 insertions(+), 58 deletions(-)
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index dd89f98cc18c..3c76d3cb5bbe 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -685,15 +685,8 @@ static int vnt_config(struct ieee80211_hw *hw, u32 changed)
priv->bb_type = BB_TYPE_11G;
}
- if (changed & IEEE80211_CONF_CHANGE_POWER) {
- if (priv->bb_type == BB_TYPE_11B)
- priv->current_rate = RATE_1M;
- else
- priv->current_rate = RATE_54M;
-
- vnt_rf_setpower(priv, priv->current_rate,
- conf->chandef.chan->hw_value);
- }
+ if (changed & IEEE80211_CONF_CHANGE_POWER)
+ vnt_rf_setpower(priv, conf->chandef.chan);
return 0;
}
@@ -747,9 +740,8 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
vnt_update_pre_ed_threshold(priv, false);
}
- if (changed & BSS_CHANGED_TXPOWER)
- vnt_rf_setpower(priv, priv->current_rate,
- conf->chandef.chan->hw_value);
+ if (changed & (BSS_CHANGED_TXPOWER | BSS_CHANGED_BANDWIDTH))
+ vnt_rf_setpower(priv, conf->chandef.chan);
if (changed & BSS_CHANGED_BEACON_ENABLED) {
dev_dbg(&priv->usb->dev,
diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
index 4f9aba0f21b0..633e2b9aca7a 100644
--- a/drivers/staging/vt6656/rf.c
+++ b/drivers/staging/vt6656/rf.c
@@ -537,42 +537,6 @@ int vnt_rf_write_embedded(struct vnt_private *priv, u32 data)
return true;
}
-/* Set Tx power by rate and channel number */
-int vnt_rf_setpower(struct vnt_private *priv, u32 rate, u32 channel)
-{
- u8 power = priv->cck_pwr;
-
- if (channel == 0)
- return -EINVAL;
-
- switch (rate) {
- case RATE_1M:
- case RATE_2M:
- case RATE_5M:
- case RATE_11M:
- channel--;
-
- if (channel < sizeof(priv->cck_pwr_tbl))
- power = priv->cck_pwr_tbl[channel];
- break;
- case RATE_6M:
- case RATE_9M:
- case RATE_12M:
- case RATE_18M:
- case RATE_24M:
- case RATE_36M:
- case RATE_48M:
- case RATE_54M:
- if (channel > CB_MAX_CHANNEL_24G)
- power = priv->ofdm_a_pwr_tbl[channel - 15];
- else
- power = priv->ofdm_pwr_tbl[channel - 1];
- break;
- }
-
- return vnt_rf_set_txpower(priv, power, rate);
-}
-
static u8 vnt_rf_addpower(struct vnt_private *priv)
{
s32 rssi = -priv->current_rssi;
@@ -600,7 +564,8 @@ static u8 vnt_rf_addpower(struct vnt_private *priv)
}
/* Set Tx power by power level and rate */
-int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate)
+static int vnt_rf_set_txpower(struct vnt_private *priv, u8 power,
+ struct ieee80211_channel *ch)
{
u32 power_setting = 0;
int ret = true;
@@ -620,7 +585,7 @@ int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate)
ret &= vnt_rf_write_embedded(priv, power_setting);
- if (rate <= RATE_11M)
+ if (ch->flags & IEEE80211_CHAN_NO_OFDM)
ret &= vnt_rf_write_embedded(priv, 0x0001b400);
else
ret &= vnt_rf_write_embedded(priv, 0x0005a400);
@@ -630,7 +595,7 @@ int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate)
ret &= vnt_rf_write_embedded(priv, power_setting);
- if (rate <= RATE_11M) {
+ if (ch->flags & IEEE80211_CHAN_NO_OFDM) {
ret &= vnt_rf_write_embedded(priv, 0x040c1400);
ret &= vnt_rf_write_embedded(priv, 0x00299b00);
} else {
@@ -640,7 +605,7 @@ int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate)
break;
case RF_AIROHA7230:
- if (rate <= RATE_11M)
+ if (ch->flags & IEEE80211_CHAN_NO_OFDM)
ret &= vnt_rf_write_embedded(priv, 0x111bb900);
else
ret &= vnt_rf_write_embedded(priv, 0x221bb900);
@@ -670,8 +635,8 @@ int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate)
if (power >= VT3226_PWR_IDX_LEN)
return false;
- if (rate <= RATE_11M) {
- u16 hw_value = priv->hw->conf.chandef.chan->hw_value;
+ if (ch->flags & IEEE80211_CHAN_NO_OFDM) {
+ u16 hw_value = ch->hw_value;
power_setting = ((0x3f - power) << 20) | (0xe07 << 8);
@@ -716,6 +681,36 @@ int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate)
return ret;
}
+/* Set Tx power by channel number type */
+int vnt_rf_setpower(struct vnt_private *priv,
+ struct ieee80211_channel *ch)
+{
+ u16 channel;
+ u8 power = priv->cck_pwr;
+
+ if (!ch)
+ return -EINVAL;
+
+ /* set channel number to array number */
+ channel = ch->hw_value - 1;
+
+ if (ch->flags & IEEE80211_CHAN_NO_OFDM) {
+ if (channel < ARRAY_SIZE(priv->cck_pwr_tbl))
+ power = priv->cck_pwr_tbl[channel];
+ } else if (ch->band == NL80211_BAND_5GHZ) {
+ /* remove 14 channels to array size */
+ channel -= 14;
+
+ if (channel < ARRAY_SIZE(priv->ofdm_a_pwr_tbl))
+ power = priv->ofdm_a_pwr_tbl[channel];
+ } else {
+ if (channel < ARRAY_SIZE(priv->ofdm_a_pwr_tbl))
+ power = priv->ofdm_pwr_tbl[channel];
+ }
+
+ return vnt_rf_set_txpower(priv, power, ch);
+}
+
/* Convert rssi to dbm */
void vnt_rf_rssi_to_dbm(struct vnt_private *priv, u8 rssi, long *dbm)
{
diff --git a/drivers/staging/vt6656/rf.h b/drivers/staging/vt6656/rf.h
index 7494546d71b8..493faaf4e2b5 100644
--- a/drivers/staging/vt6656/rf.h
+++ b/drivers/staging/vt6656/rf.h
@@ -41,8 +41,7 @@
#define VNT_RF_REG_LEN 0x17 /* 24 bit length */
int vnt_rf_write_embedded(struct vnt_private *priv, u32 data);
-int vnt_rf_setpower(struct vnt_private *priv, u32 rate, u32 channel);
-int vnt_rf_set_txpower(struct vnt_private *priv, u8 power, u32 rate);
+int vnt_rf_setpower(struct vnt_private *priv, struct ieee80211_channel *ch);
void vnt_rf_rssi_to_dbm(struct vnt_private *priv, u8 rssi, long *dbm);
int vnt_rf_table_download(struct vnt_private *priv);
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index 2c5250ca2801..0ccc87da394e 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -122,8 +122,7 @@ void vnt_run_command(struct work_struct *work)
case WLAN_CMD_SETPOWER_START:
- vnt_rf_setpower(priv, priv->current_rate,
- priv->hw->conf.chandef.chan->hw_value);
+ vnt_rf_setpower(priv, priv->hw->conf.chandef.chan);
break;
--
2.25.1
