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authorKein Yuan <kein.yuan@intel.com>2014-04-04 15:15:14 -0700
committerMarc Jones <marc.jones@se-eng.com>2014-10-28 18:08:54 +0100
commit25ae602d2edb9426f94fe5fee26665d498f7fd9e (patch)
tree3284e241bccdc5e6ba27f32b75c02f97ee8c30a4 /documentation
parentdd20d5d36cc5350e834cad4052d9376bd29928a1 (diff)
rambi: switch MCLK from 19.2Mhz to 25Mhz
With following settings 1.Coreboot 25Mhz 2.Maxim codec configured with MCLK=25Mhz 2.I2C 400Khz fixed 4.Including Enable/Disable SHDN bit when LRCLK starts/Stops 5.Removed PLL toggle workaround routine. audio playing is smooth before/after S3, no noise when recording so change MCLK from 19.2 back to 25Mhz. BUG=chrome-os-partner:26948 BRANCH=firmware-rambi-5216 TEST=test audio play and record on Rambi, works fine. Change-Id: I5602feb39721344feab837ff4a3a18309a47a6a6 Signed-off-by: Kein Yuan <kein.yuan@intel.com> Reviewed-on: https://chromium-review.googlesource.com/193881 Tested-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org> (cherry picked from commit bfe1d535aa2f20a32e163abeb99f3d657e2b43ab) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Reviewed-on: http://review.coreboot.org/7219 Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Tested-by: build bot (Jenkins)
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