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authorJarkko Nikula <jhnikula@gmail.com>2011-03-09 11:25:00 +0200
committerLiam Girdwood <lrg@slimlogic.co.uk>2011-03-09 10:52:28 +0000
commitfa4d1f595a89234647b34a7f507436be873091bc (patch)
tree3ce719294b6ffd656f66cc9ee4ec3bbc1c1e111e /arch/s390/include/asm/tlb.h
parent9d7e584b3fb4d9f581b83c0916e10b91de78e663 (diff)
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ASoC: omap: rx51: Enable McBSP2 sidetone
McBSP sidetone is needed in telephony applications. McBSP sidetone is a configurable FIR filter that forms a loopback from McBSP input to output. This patch enables the McBSP2 sidetone ALSA controls so that it can be used on Nokia RX-51/N900. Sidetone feature can be tested with following commands: (set up codec input and output paths) # Enable and configure sidetone amixer -D hw:0 set 'McBSP2 Sidetone' on amixer set -D hw:0 'McBSP2 Sidetone Channel 0' 32767 echo 32767 >/sys/devices/platform/omap-mcbsp.2/st_taps # Do not loop audio via CPU arecord -f dat >/dev/null |aplay /dev/zero Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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