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ieee802154: change transmit power to mbm

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This patch change the handling of transmit power level from dbm to mbm.
This prepares to handle floating point transmit power levels values. The
old netlink 802.15.4 will convert the dbm value to mbm for handling
backward compatibility.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring
2015-05-17 21:44:40 +02:00
committed by Marcel Holtmann
parent 1a19cb680b
commit e2eb173aaa
5 changed files with 9 additions and 7 deletions
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3
drivers/net/ieee802154/at86rf230.c
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@@ -1194,9 +1194,10 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
}
static int
at86rf230_set_txpower(struct ieee802154_hw *hw, s32 db)
at86rf230_set_txpower(struct ieee802154_hw *hw, s32 mbm)
{
struct at86rf230_local *lp = hw->priv;
s8 db = mbm / 100;
/* typical maximum output is 5dBm with RG_PHY_TX_PWR 0x60, lower five
* bits decrease power in 1dB steps. 0x60 represents extra PA gain of