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This is a port of the sound/oss/sh_dac_audio.c driver. The driver uses an on-chip 8-bit D/A converter, which has a speaker connected to one of its channels, found in several ancient HP machines. For interrupts it uses a high-resolution timer (hrtimer). Tested on SH7709 based hp6xx (HP Jornada 680/690 and HP Palmtop 620lx/660lx). Also, since OSS Emulation works, the old OSS sound/oss/sh_dac_audio.c driver would be obsolete soon, and it could be removed. Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
31 lines
667 B
Text
31 lines
667 B
Text
# ALSA SH drivers
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menuconfig SND_SUPERH
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bool "SUPERH sound devices"
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depends on SUPERH
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default y
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help
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Support for sound devices specific to SUPERH architectures.
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Drivers that are implemented on ASoC can be found in
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"ALSA for SoC audio support" section.
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if SND_SUPERH
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config SND_AICA
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tristate "Dreamcast Yamaha AICA sound"
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depends on SH_DREAMCAST
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select SND_PCM
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select G2_DMA
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help
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ALSA Sound driver for the SEGA Dreamcast console.
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config SND_SH_DAC_AUDIO
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tristate "SuperH DAC audio support"
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depends on SND
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depends on CPU_SH3 && HIGH_RES_TIMERS
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select SND_PCM
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help
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Say Y here to include support for the on-chip DAC.
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endif # SND_SUPERH
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