2013-05-19 23:12:28 +02:00
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#
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# For a description of the syntax of this configuration file,
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# see misc/tools/kconfig-language.txt.
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#
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config VS1053
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bool "VS1053 codec chip"
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default n
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---help---
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Select to enable support for the VS1053 Audio codec by VLSI Solutions.
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This chip provides encoding and decoding of MP3, WMA, AAC and Ogg
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Vorbis format audio. It also has a general DSP which is user
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programmable to perform special audio (or any DSP) functions.
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2013-10-27 15:00:16 +01:00
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if VS1053
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config VS1053_DEVICE_COUNT
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int "Number of VS1053 devices attached"
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default 1
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---help---
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Sets the number of VS1053 type devices availalbe to the system.
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This is required to reserve global, static lower-half driver
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context pointers for the DREQ ISR to use for lookup when it needs
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to signal that additional data is being requested.
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if AUDIO_DRIVER_SPECIFIC_BUFFERS
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config VS1053_NUM_BUFFERS
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int "Number of Audio Pipeline Buffers to use"
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default 2
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---help---
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Sets the number of the Audio Pipeline Buffers used to deliver audio
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data to the VS1053 driver. The minimum you should set this is
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2 buffers, which should be adequate for most media types.
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config VS1053_BUFFER_SIZE
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int "Size of Audio Pipeline Buffers to use"
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default 8192
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---help---
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Sets the size of the Audio Pipeline Buffers used to deliver audio
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data to the VS1053 driver. The minimum you should set this is
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2048 bytes. The larger the buffer, the better CPU performance.
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endif
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endif
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