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authorBernd Edlinger <bernd.edlinger@hotmail.de>2019-01-08 22:49:40 +0000
committerKalle Valo <kvalo@codeaurora.org>2019-02-01 14:07:29 +0200
commit5bb5385fbf3e31e72ee81e05c14f958dab2d53b6 (patch)
tree31df1cbf8ba738cebbefc887a623a0bb5d87fab0 /drivers/net/wireless/realtek/rtlwifi/core.c
parent46b87976d7a8a75759a13a6db0e1a5f166011968 (diff)
rtl8723ae: Dont use old data for input gain control
When no beacon was received, the value in dm.undec_sm_pwdb is most likely out of date and should not be used to adjust the input path. Assume instead that the signal level is low. Fix the state machine in rtl8723e_dm_cck_packet_detection_thresh which did not clear pre_cck_fa_state when changing cur_cck_pd_state from CCK_PD_STAGE_LOWRSSI/CCK_FA_STAGE_LOW to CCK_PD_STAGE_HIGHRSSI and back again to CCK_PD_STAGE_LOWRSSI/CCK_FA_STAGE_LOW, the register RCCK0_CCA not written to 0x83 on the second change. Explicitly initialize pre_cck_fa_state/cur_cck_fa_state in rtl_dm_diginit. Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/core.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index 4bf7967590ca..ce23339bf9fb 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1957,5 +1957,7 @@ void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igvalue)
dm_digtable->bt30_cur_igi = 0x32;
dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
+ dm_digtable->pre_cck_fa_state = 0;
+ dm_digtable->cur_cck_fa_state = 0;
}
EXPORT_SYMBOL(rtl_dm_diginit);