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brcmsmac: fix TSSI idle estimation

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The baseband multiplier must be zero during TSSI idle estimation
and restored afterwards.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Tested-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2013-08-20 16:00:41 +02:00 committed by John W. Linville
parent 7de646854b
commit d50ec00160
1 changed files with 9 additions and 0 deletions
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9
drivers/net/wireless/brcm80211/brcmsmac/phy/phy_lcn.c
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@ -2836,6 +2836,8 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
read_radio_reg(pi, RADIO_2064_REG007) & 1;
u16 SAVE_jtag_auxpga = read_radio_reg(pi, RADIO_2064_REG0FF) & 0x10;
u16 SAVE_iqadc_aux_en = read_radio_reg(pi, RADIO_2064_REG11F) & 4;
u8 SAVE_bbmult = wlc_lcnphy_get_bbmult(pi);
idleTssi = read_phy_reg(pi, 0x4ab);
suspend = (0 == (bcma_read32(pi->d11core, D11REGOFFS(maccontrol)) &
MCTL_EN_MAC));
@ -2853,6 +2855,12 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
mod_radio_reg(pi, RADIO_2064_REG0FF, 0x10, 1 << 4);
mod_radio_reg(pi, RADIO_2064_REG11F, 0x4, 1 << 2);
wlc_lcnphy_tssi_setup(pi);
mod_phy_reg(pi, 0x4d7, (0x1 << 0), (1 << 0));
mod_phy_reg(pi, 0x4d7, (0x1 << 6), (1 << 6));
wlc_lcnphy_set_bbmult(pi, 0x0);
wlc_phy_do_dummy_tx(pi, true, OFF);
idleTssi = ((read_phy_reg(pi, 0x4ab) & (0x1ff << 0))
>> 0);
@ -2874,6 +2882,7 @@ static void wlc_lcnphy_idle_tssi_est(struct brcms_phy_pub *ppi)
mod_phy_reg(pi, 0x44c, (0x1 << 12), (0) << 12);
wlc_lcnphy_set_bbmult(pi, SAVE_bbmult);
wlc_lcnphy_set_tx_gain_override(pi, tx_gain_override_old);
wlc_lcnphy_set_tx_gain(pi, &old_gains);
wlc_lcnphy_set_tx_pwr_ctrl(pi, SAVE_txpwrctrl);