On Wed, Mar 14, 2018 at 5:41 PM, Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> wrote: > In case of sample rates lower than 44100 currently there is too low MCLK > frequency set for the CODEC. Playback fails with following errors: > > $ speaker-test -c2 -t sine -f 1500 -l2 -r 32000 > > Sine wave rate is 1500.0000Hz > Rate set to 32000Hz (requested 32000Hz) > Buffer size range from 128 to 131072 > Period size range from 64 to 65536 > Using max buffer size 131072 > Periods = 4 > Unable to set hw params for playback: Invalid argument > Setting of hwparams failed: Invalid argument > > [ 497.883700] max98090 1-0010: Invalid master clock frequency > > To fix this the I2S root clock's frequency is increased, depending > on sampling rate. > > Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > --- > sound/soc/samsung/odroid.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html