diff options
| author | Sujith Manoharan <c_manoha@qualcomm.com> | 2012-09-16 06:36:56 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-09-24 22:59:11 +0400 |
| commit | e09f2dc73c5c4927cbc55d9c29bef4209c2d866d (patch) | |
| tree | d7c64285178dcf6710f925aed881c7276bf3c1ba | |
| parent | 362cd03fd828af38327fb448416c07a7c7a8e3cb (diff) | |
| download | linux-e09f2dc73c5c4927cbc55d9c29bef4209c2d866d.tar.xz | |
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>
| -rw-r--r-- | drivers/net/wireless/ath/ath.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/antenna.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/init.c | 12 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h index 6169fbd23ed1..4521342c62cc 100644 --- a/drivers/net/wireless/ath/ath.h +++ b/drivers/net/wireless/ath/ath.h @@ -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, diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c index 8eb274f16861..664844c5d3d5 100644 --- a/drivers/net/wireless/ath/ath9k/antenna.c +++ b/drivers/net/wireless/ath/ath9k/antenna.c @@ -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); } diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 706255222598..fad3ccd5cd91 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -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); |