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8a40e95a13
Current Kconfig menu at [ALSA for SoC audio support] has no rules. So, some venders are using menu style, some venders are listed each drivers on top page, etc. It is difficult to find target vender and/or drivers because it is very random. Let's standardize ASoC menu Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Link: https://patch.msgid.link/875xh1zqcp.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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menu "Cirrus Logic"
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config SND_EP93XX_SOC
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tristate "SoC Audio support for the Cirrus Logic EP93xx series"
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depends on ARCH_EP93XX || COMPILE_TEST
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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 codecs attached to
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the EP93xx I2S or AC97 interfaces.
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config SND_EP93XX_SOC_I2S
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tristate "I2S controller support for the Cirrus Logic EP93xx series"
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depends on SND_EP93XX_SOC
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help
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Say Y or M if you want to add support for codecs attached to
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the EP93xx I2S interface.
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if SND_EP93XX_SOC_I2S
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config SND_EP93XX_SOC_I2S_WATCHDOG
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bool "IRQ based underflow watchdog workaround"
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default y
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help
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I2S controller on EP93xx seems to have undocumented HW issue.
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Underflow of internal I2S controller FIFO could confuse the
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state machine and the whole stream can be shifted by one byte
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until I2S is disabled. This option enables IRQ based watchdog
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which disables and re-enables I2S in case of underflow and
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fills FIFO with zeroes.
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If you are unsure how to answer this question, answer Y.
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endif # if SND_EP93XX_SOC_I2S
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endmenu
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