On Fri, May 29, 2015 at 10:51:26AM +0200, Stefan Schmidt wrote:
> From: Stefan Schmidt <s.schmidt@xxxxxxxxxxx>
>
> Atusb uses the at86rf231 transceiver so we can use the same calculation
> for txpower settings for it.
>
> Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
> ---
> drivers/net/ieee802154/atusb.c | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
> index 95d4220..9805ebe 100644
> --- a/drivers/net/ieee802154/atusb.c
> +++ b/drivers/net/ieee802154/atusb.c
> @@ -453,6 +453,26 @@ static void atusb_stop(struct ieee802154_hw *hw)
> atusb_get_and_clear_error(atusb);
> }
>
> +#define ATUSB_MAX_TX_POWERS 0xF
> +static const s32 atusb_powers[ATUSB_MAX_TX_POWERS + 1] = {
> + 300, 280, 230, 180, 130, 70, 0, -100, -200, -300, -400, -500, -700,
> + -900, -1200, -1700,
> +};
> +
> +static int
> +atusb_set_txpower(struct ieee802154_hw *hw, s32 mbm)
> +{
> + struct atusb *atusb = hw->priv;
> + u32 i;
> +
> + for (i = 0; i < hw->phy->supported.tx_powers_size; i++) {
> + if (hw->phy->supported.tx_powers[i] == mbm)
> + return atusb_write_subreg(atusb, SR_TX_PWR_23X, i);
> + }
> +
> + return -EINVAL;
> +}
> +
also the mapping looks different in at86rf230. Anyway, it's just a note.
- Alex
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