* [PATCH 1/2] ARM: DTS: am335x-evm: Enable the McASP FIFO for audio @ 2014-07-03 9:51 Peter Ujfalusi 2014-07-03 9:51 ` [PATCH 2/2] ARM: DTS: am335x-evmsk: " Peter Ujfalusi 0 siblings, 1 reply; 3+ messages in thread From: Peter Ujfalusi @ 2014-07-03 9:51 UTC (permalink / raw) To: linux-arm-kernel The use of FIFO in McASP can reduce the risk of audio under/overrun and lowers the load on the memories since the DMA will operate in bursts. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti•com> --- arch/arm/boot/dts/am335x-evm.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index ecb267767cf5..e2156a583de7 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -529,8 +529,8 @@ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ 0 0 1 2 >; - tx-num-evt = <1>; - rx-num-evt = <1>; + tx-num-evt = <32>; + rx-num-evt = <32>; }; &tps { -- 2.0.0 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: DTS: am335x-evmsk: Enable the McASP FIFO for audio 2014-07-03 9:51 [PATCH 1/2] ARM: DTS: am335x-evm: Enable the McASP FIFO for audio Peter Ujfalusi @ 2014-07-03 9:51 ` Peter Ujfalusi 2014-07-07 11:35 ` Tony Lindgren 0 siblings, 1 reply; 3+ messages in thread From: Peter Ujfalusi @ 2014-07-03 9:51 UTC (permalink / raw) To: linux-arm-kernel The use of FIFO in McASP can reduce the risk of audio under/overrun and lowers the load on the memories since the DMA will operate in bursts. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti•com> --- arch/arm/boot/dts/am335x-evmsk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index ab9a34ce524c..80a3b215e7d6 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -560,8 +560,8 @@ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ 0 0 1 2 >; - tx-num-evt = <1>; - rx-num-evt = <1>; + tx-num-evt = <32>; + rx-num-evt = <32>; }; &tscadc { -- 2.0.0 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: DTS: am335x-evmsk: Enable the McASP FIFO for audio 2014-07-03 9:51 ` [PATCH 2/2] ARM: DTS: am335x-evmsk: " Peter Ujfalusi @ 2014-07-07 11:35 ` Tony Lindgren 0 siblings, 0 replies; 3+ messages in thread From: Tony Lindgren @ 2014-07-07 11:35 UTC (permalink / raw) To: linux-arm-kernel * Peter Ujfalusi <peter.ujfalusi@ti•com> [140703 02:53]: > The use of FIFO in McASP can reduce the risk of audio under/overrun and > lowers the load on the memories since the DMA will operate in bursts. Applying both into omap-for-v3.16/fixes thanks. Tony ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-07-07 11:35 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2014-07-03 9:51 [PATCH 1/2] ARM: DTS: am335x-evm: Enable the McASP FIFO for audio Peter Ujfalusi 2014-07-03 9:51 ` [PATCH 2/2] ARM: DTS: am335x-evmsk: " Peter Ujfalusi 2014-07-07 11:35 ` Tony Lindgren
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