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6db26f9ea4
Amlogic sound cards do create a lot of pcm interfaces, possibly more than
8. Some pcm interfaces are internal (like DPCM backends and c2c) and not
exposed to userspace.
Those interfaces still increase the number passed to snd_find_free_minor(),
which eventually exceeds 8 causing -EBUSY error on card registration if
CONFIG_SND_DYNAMIC_MINORS=n and the interface is exposed to userspace.
select CONFIG_SND_DYNAMIC_MINORS for Amlogic cards to avoid the problem.
Fixes: 7864a79f37 ("ASoC: meson: add axg sound card support")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20240426134150.3053741-1-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
139 lines
3.7 KiB
Plaintext
139 lines
3.7 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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menu "ASoC support for Amlogic platforms"
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depends on ARCH_MESON || (COMPILE_TEST && COMMON_CLK)
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config SND_MESON_AIU
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tristate "Amlogic AIU"
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select SND_MESON_CODEC_GLUE
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select SND_PCM_IEC958
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imply SND_SOC_MESON_T9015
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imply SND_SOC_HDMI_CODEC if DRM_MESON_DW_HDMI
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help
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Select Y or M to add support for the Audio output subsystem found
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in the Amlogic Meson8, Meson8b and GX SoC families
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config SND_MESON_AXG_FIFO
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tristate
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select REGMAP_MMIO
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imply COMMON_CLK_AXG_AUDIO
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imply RESET_MESON_AUDIO_ARB
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config SND_MESON_AXG_FRDDR
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tristate "Amlogic AXG Playback FIFO support"
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select SND_MESON_AXG_FIFO
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help
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Select Y or M to add support for the frontend playback interfaces
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embedded in the Amlogic AXG SoC family
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config SND_MESON_AXG_TODDR
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tristate "Amlogic AXG Capture FIFO support"
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select SND_MESON_AXG_FIFO
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help
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Select Y or M to add support for the frontend capture interfaces
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embedded in the Amlogic AXG SoC family
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config SND_MESON_AXG_TDM_FORMATTER
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tristate
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select REGMAP_MMIO
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imply COMMON_CLK_AXG_AUDIO
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config SND_MESON_AXG_TDM_INTERFACE
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tristate
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select SND_MESON_AXG_TDM_FORMATTER
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config SND_MESON_AXG_TDMIN
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tristate "Amlogic AXG TDM Input Support"
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select SND_MESON_AXG_TDM_FORMATTER
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select SND_MESON_AXG_TDM_INTERFACE
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help
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Select Y or M to add support for TDM input formatter embedded
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in the Amlogic AXG SoC family
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config SND_MESON_AXG_TDMOUT
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tristate "Amlogic AXG TDM Output Support"
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select SND_MESON_AXG_TDM_FORMATTER
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select SND_MESON_AXG_TDM_INTERFACE
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help
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Select Y or M to add support for TDM output formatter embedded
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in the Amlogic AXG SoC family
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config SND_MESON_AXG_SOUND_CARD
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tristate "Amlogic AXG Sound Card Support"
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select SND_MESON_AXG_TDM_INTERFACE
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select SND_MESON_CARD_UTILS
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imply SND_MESON_AXG_FRDDR
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imply SND_MESON_AXG_TODDR
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imply SND_MESON_AXG_TDMIN
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imply SND_MESON_AXG_TDMOUT
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imply SND_MESON_AXG_SPDIFOUT
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imply SND_MESON_AXG_SPDIFIN
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imply SND_MESON_AXG_PDM
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imply SND_MESON_G12A_TOACODEC
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imply SND_MESON_G12A_TOHDMITX if DRM_MESON_DW_HDMI
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help
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Select Y or M to add support for the AXG SoC sound card
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config SND_MESON_AXG_SPDIFOUT
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tristate "Amlogic AXG SPDIF Output Support"
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select SND_PCM_IEC958
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imply SND_SOC_SPDIF
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imply COMMON_CLK_AXG_AUDIO
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help
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Select Y or M to add support for SPDIF output serializer embedded
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in the Amlogic AXG SoC family
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config SND_MESON_AXG_SPDIFIN
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tristate "Amlogic AXG SPDIF Input Support"
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imply SND_SOC_SPDIF
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help
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Select Y or M to add support for SPDIF input embedded
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in the Amlogic AXG SoC family
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config SND_MESON_AXG_PDM
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tristate "Amlogic AXG PDM Input Support"
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imply SND_SOC_DMIC
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imply COMMON_CLK_AXG_AUDIO
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help
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Select Y or M to add support for PDM input embedded
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in the Amlogic AXG SoC family
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config SND_MESON_CARD_UTILS
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tristate
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select SND_DYNAMIC_MINORS
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config SND_MESON_CODEC_GLUE
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tristate
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config SND_MESON_GX_SOUND_CARD
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tristate "Amlogic GX Sound Card Support"
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select SND_MESON_CARD_UTILS
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imply SND_MESON_AIU
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help
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Select Y or M to add support for the GXBB/GXL SoC sound card
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config SND_MESON_G12A_TOACODEC
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tristate "Amlogic G12A To Internal DAC Control Support"
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select SND_MESON_CODEC_GLUE
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select REGMAP_MMIO
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imply SND_SOC_MESON_T9015
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help
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Select Y or M to add support for the internal audio DAC on the
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g12a SoC family
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config SND_MESON_G12A_TOHDMITX
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tristate "Amlogic G12A To HDMI TX Control Support"
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select REGMAP_MMIO
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select SND_MESON_CODEC_GLUE
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imply SND_SOC_HDMI_CODEC
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help
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Select Y or M to add support for HDMI audio on the g12a SoC
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family
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config SND_SOC_MESON_T9015
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tristate "Amlogic T9015 DAC"
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select REGMAP_MMIO
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help
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Say Y or M if you want to add support for the internal DAC found
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on GXL, G12 and SM1 SoC family.
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endmenu
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