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Bluetooth: controller: nordic: Tune tIFS switching

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Remove the 4us advanced radio reception, the implementation
passes all timing conformance tests without this.
This change should reduce some radio power consumption by
avoiding redundant reception duration.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2019-11-21 17:08:09 +05:30 • committed by Carles Cufí
commit 7ba5e012f7
1 changed files with 1 additions and 2 deletions
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3
subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.c
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@ -470,8 +470,7 @@ static void sw_switch(u8_t dir, u8_t phy_curr, u8_t flags_curr, u8_t phy_next,
/* RX */
delay = HAL_RADIO_NS2US_CEIL(
hal_radio_rx_ready_delay_ns_get(phy_next, flags_next) -
hal_radio_tx_chain_delay_ns_get(phy_curr, flags_curr)) +
4; /* 4us as +/- active jitter */
hal_radio_tx_chain_delay_ns_get(phy_curr, flags_curr));
hal_radio_rxen_on_sw_switch(ppi);