diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2013-07-08 16:08:23 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-07-22 16:54:31 -0400 |
| commit | 97aa03f15e83174df74aa468eea127c5cee480f0 (patch) | |
| tree | 2d7471e22eb79fa2e04849c909480746e7511ae7 /drivers/net | |
| parent | 5cddb3c2d5102d9a6b1b809e1518da54c8be8296 (diff) | |
| download | linux-97aa03f15e83174df74aa468eea127c5cee480f0.tar.gz | |
rt2x00: rt2800lib: add rt2800_txpower_to_dev helper
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@openwrt.org> Acked-by: Stanislaw Gruszka <stf_xl@wp.pl> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800.h | 6 | ||||
| -rw-r--r-- | 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 7b7caeb01e5a..d3e8f6d3531a 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 958215c44485..1738a9d232c3 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2724,6 +2724,16 @@ 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, @@ -2733,13 +2743,10 @@ 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: |