ASoC: dwc: add DMA handshake control

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DMA mode uses hardware handshake signals. DMACR register is used to enable
the DMA Controller interface operation. So add DMA enable/disable to
i2s_start()/i2s_stop() functions if using DMA mode.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Link: https://lore.kernel.org/r/20230613191910.725049-1-fido_max@inbox.ru
Signed-off-by: Mark Brown <broonie@kernel.org>

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Maxim Kochetkov 2023-06-13 22:19:08 +03:00 • committed by Mark Brown

parent 02474880e8

commit a42e988b62

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2 changed files with 43 additions and 2 deletions

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37

sound/soc/dwc/dwc-i2s.c

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6

sound/soc/dwc/local.h

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