2021-05-26 19:09:36 +00:00
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# SPDX-License-Identifier: GPL-2.0-only
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config SND_DESIGNWARE_I2S
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tristate "Synopsys I2S Device Driver"
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2021-07-22 16:18:54 +00:00
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depends on HAVE_CLK
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2021-05-26 19:09:36 +00:00
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select SND_SOC_GENERIC_DMAENGINE_PCM
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help
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Say Y or M if you want to add support for I2S driver for
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Synopsys designware I2S device. The device supports up to
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a maximum of 8 channels each for play and record.
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config SND_DESIGNWARE_PCM
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bool "PCM PIO extension for I2S driver"
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depends on SND_DESIGNWARE_I2S
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help
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Say Y or N if you want to add a custom ALSA extension that registers
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a PCM and uses PIO to transfer data.
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This functionality is specially suited for I2S devices that don't have
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DMA support.
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