[rt2x00-users] [PATCH 09/19] rt2x00: rt2800lib: introduce rt2800_get_txmixer_gain_{24, 5}g helpers

Gabor Juhos juhosg at openwrt.org
Sat Jun 29 05:12:23 AEST 2013


Move the TX mixer gain reading code into separate
helper functions in preparation for RT3593 support.

Signed-off-by: Gabor Juhos <juhosg at openwrt.org>
---
 drivers/net/wireless/rt2x00/rt2800lib.c |   38 +++++++++++++++++++------------
 1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index cbc3dc3..6f23eb0 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -6362,6 +6362,28 @@ int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 }
 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
 
+static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
+{
+	u16 word;
+
+	rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
+	if ((word & 0x00ff) != 0x00ff)
+		return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
+
+	return 0;
+}
+
+static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
+{
+	u16 word;
+
+	rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
+	if ((word & 0x00ff) != 0x00ff)
+		return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
+
+	return 0;
+}
+
 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
@@ -6456,13 +6478,7 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
 
-	rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
-	if ((word & 0x00ff) != 0x00ff) {
-		drv_data->txmixer_gain_24g =
-			rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
-	} else {
-		drv_data->txmixer_gain_24g = 0;
-	}
+	drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev);
 
 	rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
@@ -6473,13 +6489,7 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 				   default_lna_gain);
 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
 
-	rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
-	if ((word & 0x00ff) != 0x00ff) {
-		drv_data->txmixer_gain_5g =
-			rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
-	} else {
-		drv_data->txmixer_gain_5g = 0;
-	}
+	drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev);
 
 	rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
-- 
1.7.10





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