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authorBen Zhang <benzh@chromium.org>2015-08-21 21:17:00 -0700
committerMark Brown <broonie@kernel.org>2015-08-25 17:34:30 +0100
commit7d4d443eb4386d6dbd420fa96303dd8fbc1eefc8 (patch)
tree9eb7d85d1dea45e38e3b4f0a5382ea49fce5003a /sound/soc/codecs/wm8990.c
parentf8163c8673efaabb361281a2759b3167d181ecf6 (diff)
downloadlinux-7d4d443eb4386d6dbd420fa96303dd8fbc1eefc8.tar.gz
ASoC: rt5677: Allow arbitrary block read/write via SPI
Added rt5677_spi_read() and refactored rt5677_spi_write() so that
an arbitrary block in the DSP address space can be read/written
via SPI. For example, this allows us to load an ELF DSP firmware
with sparse sections, and stream audio samples from DSP ring buffer.

Signed-off-by: Ben Zhang <benzh@chromium.org>
Acked-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm8990.c')
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