diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00config.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00config.c | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index f70a2b4..2a313b6 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -109,15 +109,6 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev, rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp, changed); } -static inline -enum antenna rt2x00lib_config_antenna_check(enum antenna current_ant, - enum antenna default_ant) -{ - if (current_ant != ANTENNA_SW_DIVERSITY) - return current_ant; - return (default_ant != ANTENNA_SW_DIVERSITY) ? default_ant : ANTENNA_B; -} - void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, struct antenna_setup config) { @@ -126,19 +117,35 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, struct antenna_setup *active = &rt2x00dev->link.ant.active; /* - * Failsafe: Make sure we are not sending the - * ANTENNA_SW_DIVERSITY state to the driver. - * If that happens, fallback to hardware defaults, - * or our own default. + * When the caller tries to send the SW diversity, + * we must update the ANTENNA_RX_DIVERSITY flag to + * enable the antenna diversity in the link tuner. + * + * Secondly, we must guarentee we never send the + * software antenna diversity command to the driver. */ - if (!(ant->flags & ANTENNA_RX_DIVERSITY)) - config.rx = rt2x00lib_config_antenna_check(config.rx, def->rx); - else if (config.rx == ANTENNA_SW_DIVERSITY) + if (!(ant->flags & ANTENNA_RX_DIVERSITY)) { + if (config.rx == ANTENNA_SW_DIVERSITY) { + ant->flags |= ANTENNA_RX_DIVERSITY; + + if (def->rx == ANTENNA_SW_DIVERSITY) + config.rx = ANTENNA_B; + else + config.rx = def->rx; + } + } else if (config.rx == ANTENNA_SW_DIVERSITY) config.rx = active->rx; - if (!(ant->flags & ANTENNA_TX_DIVERSITY)) - config.tx = rt2x00lib_config_antenna_check(config.tx, def->tx); - else if (config.tx == ANTENNA_SW_DIVERSITY) + if (!(ant->flags & ANTENNA_TX_DIVERSITY)) { + if (config.tx == ANTENNA_SW_DIVERSITY) { + ant->flags |= ANTENNA_TX_DIVERSITY; + + if (def->tx == ANTENNA_SW_DIVERSITY) + config.tx = ANTENNA_B; + else + config.tx = def->tx; + } + } else if (config.tx == ANTENNA_SW_DIVERSITY) config.tx = active->tx; /* |