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- menu "Sound support"
- config SOUND
- bool "Enable sound support"
- help
- Support making sounds through an audio codec. This is normally a
- beep at a chosen frequency for a selected length of time. However
- the drivers support playing arbitrary sound samples using a
- PCM interface.
- Note: At present the sound setup is somewhat tangled up in that the
- audio codecs are called from the sound-i2s code. This could be
- converted to driver model.
- config I2S
- bool "Enable I2S support"
- depends on SOUND
- help
- I2S is a serial bus often used to transmit audio data from the
- SoC to the audio codec. This option enables sound support using
- I2S. It calls either of the two supported codecs (no use is made
- of driver model at present).
- config I2S_SAMSUNG
- bool "Enable I2C support for Samsung SoCs"
- depends on SOUND
- help
- Samsung Exynos SoCs support an I2S interface for sending audio
- data to an audio codec. This option enables support for this,
- using one of the available audio codec drivers. Enabling this
- option provides an implementation for sound_init() and
- sound_play().
- config SOUND_MAX98095
- bool "Support Maxim max98095 audio codec"
- depends on I2S_SAMSUNG
- help
- Enable the max98095 audio codec. This is connected via I2S for
- audio data and I2C for codec control. At present it only works
- with the Samsung I2S driver.
- config SOUND_SANDBOX
- bool "Support sandbox emulated audio codec"
- depends on SANDBOX && SOUND
- help
- U-Boot sandbox can emulate a sound device using SDL, playing the
- sound on the host machine. This option implements the sound_init()
- and sound_play() functions for sandbox. Note that you must install
- the SDL libraries for this to work.
- config SOUND_WM8994
- bool "Support Wolfson Micro wm8994 audio codec"
- depends on I2S_SAMSUNG
- help
- Enable the wm8994 audio codec. This is connected via I2S for
- audio data and I2C for codec control. At present it only works
- with the Samsung I2S driver.
- endmenu
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