ASoC: TWL4030: Add voice digital loopback: sidetone

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This patch add voice digital loopback (sidetone) to the twl4030
driver. It mixes voice uplink attenuated (by sidetone gain) with
voice downlink when the codec is working in option2 (voice/audio
mode).

Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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Lopez Cruz, Misael 2009-04-30 21:48:08 -05:00 • committed by Mark Brown

parent fcd274a345

commit ee8f6894f3

1 changed files with 25 additions and 2 deletions

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sound/soc/codecs/twl4030.c

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