[rt2x00-users] [PATCH 3/3] rt2x00: rt2800lib: turn on tertiary PAs/LNAs for 3T/3R devices

Helmut Schaa helmut.schaa at googlemail.com
Mon Jun 24 23:02:19 AEST 2013


On Sat, Jun 22, 2013 at 5:42 PM, Gabor Juhos <juhosg at openwrt.org> wrote:
> Signed-off-by: Gabor Juhos <juhosg at openwrt.org>

Looks also good to me.

Acked-by: Helmut Schaa <helmut.schaa at googlemail.com>

> ---
>  drivers/net/wireless/rt2x00/rt2800lib.c |   14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>
> diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
> index f4cd3d8..664e9e1 100644
> --- a/drivers/net/wireless/rt2x00/rt2800lib.c
> +++ b/drivers/net/wireless/rt2x00/rt2800lib.c
> @@ -2684,12 +2684,26 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
>                                    rf->channel > 14);
>                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
>                                    rf->channel <= 14);
> +
> +               if (rt2x00dev->default_ant.tx_chain_num > 2) {
> +                       /* Turn on tertiary PAs for 3T devices */
> +                       rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
> +                                       rf->channel > 14);
> +                       rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
> +                                       rf->channel <= 14);
> +               }
>         }
>
>         if (rt2x00dev->default_ant.rx_chain_num > 1) {
>                 /* Turn on secondary LNAs for 2R and for 3R devices */
>                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
>                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
> +
> +               if (rt2x00dev->default_ant.rx_chain_num > 2) {
> +                       /* Turn on tertiary LNAs for 3R devices */
> +                       rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
> +                       rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
> +               }
>         }
>
>         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
> --
> 1.7.10
>
> --
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