Search Linux Wireless

[PATCH 07/19] rt2x00: rt2800lib: add rt2800_txpower_to_dev helper

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Introduce a new helper function for converting
the default TX power values from EEPROM into
mac80211 values.

The change improves the readability and it makes
it easier to add support for other chipsets.

Signed-off-by: Gabor Juhos <juhosg@xxxxxxxxxxx>
---
 drivers/net/wireless/rt2x00/rt2800.h    |    6 ------
 drivers/net/wireless/rt2x00/rt2800lib.c |   21 ++++++++++++++-------
 2 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 7b7caeb..d3e8f6d 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -2887,15 +2887,9 @@ enum rt2800_eeprom_word {
 #define TXPOWER_G_FROM_DEV(__txpower) \
 	((__txpower) > MAX_G_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
 
-#define TXPOWER_G_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_G_TXPOWER, MAX_G_TXPOWER)
-
 #define TXPOWER_A_FROM_DEV(__txpower) \
 	((__txpower) > MAX_A_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)
 
-#define TXPOWER_A_TO_DEV(__txpower) \
-	clamp_t(char, __txpower, MIN_A_TXPOWER, MAX_A_TXPOWER)
-
 /*
  *  Board's maximun TX power limitation
  */
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index fa5bbae..9d05273 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2725,6 +2725,16 @@ static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
 	rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
 }
 
+static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
+				  unsigned int channel,
+				  char txpower)
+{
+	if (channel <= 14)
+		return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
+	else
+		return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
+}
+
 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 				  struct ieee80211_conf *conf,
 				  struct rf_channel *rf,
@@ -2734,13 +2744,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	unsigned int tx_pin;
 	u8 bbp, rfcsr;
 
-	if (rf->channel <= 14) {
-		info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
-		info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
-	} else {
-		info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
-		info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
-	}
+	info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
+						     info->default_power1);
+	info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
+						     info->default_power2);
 
 	switch (rt2x00dev->chip.rf) {
 	case RF2020:
-- 
1.7.10

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux