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ath9k: Add a module parameter to enable diversity 

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-09-16 08:06:56 +05:30 committed by John W. Linville
parent 362cd03fd8
commit e09f2dc73c
3 changed files with 17 additions and 0 deletions
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1
drivers/net/wireless/ath/ath.h
View File

@ -159,6 +159,7 @@ struct ath_common {
bool btcoex_enabled;
bool disable_ani;
bool antenna_diversity;
};
struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,

4
drivers/net/wireless/ath/ath9k/antenna.c
View File

@ -776,6 +776,7 @@ div_comb_done:
void ath_ant_comb_update(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath_hw_antcomb_conf div_ant_conf;
u8 lna_conf;
@ -790,4 +791,7 @@ void ath_ant_comb_update(struct ath_softc *sc)
div_ant_conf.alt_lna_conf = lna_conf;
ath9k_hw_antdiv_comb_conf_set(ah, &div_ant_conf);
if (common->antenna_diversity)
ath9k_hw_antctrl_shared_chain_lnadiv(ah, true);
}

12
drivers/net/wireless/ath/ath9k/init.c
View File

@ -46,6 +46,10 @@ static int ath9k_btcoex_enable;
module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
static int ath9k_enable_diversity;
module_param_named(enable_diversity, ath9k_enable_diversity, int, 0444);
MODULE_PARM_DESC(enable_diversity, "Enable Antenna diversity for AR9565");
bool is_ath9k_unloaded;
/* We use the hw_value as an index into our private channel structure */
@ -546,6 +550,14 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
common->debug_mask = ath9k_debug;
common->btcoex_enabled = ath9k_btcoex_enable == 1;
common->disable_ani = false;
/*
* Enable Antenna diversity only when BTCOEX is disabled
* and the user manually requests the feature.
*/
if (!common->btcoex_enabled && ath9k_enable_diversity)
common->antenna_diversity = 1;
spin_lock_init(&common->cc_lock);
spin_lock_init(&sc->sc_serial_rw);