Messages in this thread Patch in this message | | | Date | Wed, 11 Apr 2012 16:10:48 -0700 | From | Greg KH <> | Subject | [ 30/78] rtlwifi: rtl8192ce: rtl8192cu: rtl8192de: Fix low-gain setting when scanning |
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3.3-stable review patch. If anyone has any objections, please let me know.
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From: Larry Finger <Larry.Finger@lwfinger.net>
commit 643c61e119459e9d750087b7b34be94491efebf9 upstream.
In https://bugzilla.redhat.com/show_bug.cgi?id=770207, slowdowns of driver rtl8192ce are reported. One fix (commit a9b89e2) has already been applied, and it helped, but the maximum RX speed would still drop to 1 Mbps. As in the previous fix, the initial gain was determined to be the problem; however, the problem arises from a setting of the gain when scans are started.
Driver rtl8192de also has the same code structure - this one is fixed as well.
Reported-and-Tested-by: Ivan Pesin <ivan.pesin@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c | 2 +- drivers/net/wireless/rtlwifi/rtl8192de/phy.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c @@ -1968,7 +1968,7 @@ void rtl92c_phy_set_io(struct ieee80211_ break; case IO_CMD_PAUSE_DM_BY_SCAN: rtlphy->initgain_backup.xaagccore1 = dm_digtable.cur_igvalue; - dm_digtable.cur_igvalue = 0x17; + dm_digtable.cur_igvalue = 0x37; rtl92c_dm_write_dig(hw); break; default: --- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c @@ -3192,7 +3192,7 @@ static void rtl92d_phy_set_io(struct iee break; case IO_CMD_PAUSE_DM_BY_SCAN: rtlphy->initgain_backup.xaagccore1 = de_digtable.cur_igvalue; - de_digtable.cur_igvalue = 0x17; + de_digtable.cur_igvalue = 0x37; rtl92d_dm_write_dig(hw); break; default:
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