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authorFabio Estevam <fabio.estevam@freescale.com>2014-11-27 13:02:01 -0200
committerMark Brown <broonie@kernel.org>2014-11-27 17:42:01 +0000
commit2a4cfd10229dc93507aa5ddbc1ba0162140f4951 (patch)
tree774faef86de3f8000c8de79ccfb3acf96485264b /sound/soc/codecs/Kconfig
parentd819ce965d451aac08e46c9f8e2119fe3a845786 (diff)
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ASoC: sgtl5000: Allow 8kHz playback in codec slave mode
When trying to play a 8kHz file with codec in slave mode we get the following error on a mx28evk: $ aplay -Dhw:0,0 stereo_8k.wav Playing WAVE 'stereo_8k.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo [ 21.218647] sgtl5000 0-000a: PLL not supported in slave mode [ 21.224559] sgtl5000 0-000a: 128 ratio is not supported. SYS_MCLK needs to be 256, 384 or 512 * fs [ 21.233687] sgtl5000 0-000a: ASoC: can't set sgtl5000 hw params: -22 aplay: set_params:1123: Unable to install hw params: This error happens because we are using 'sys_fs' instead of 'frame_rate' in the valid ratio check. Use the real'frame_rate' so that the ratio is correctly calculated and the playback can run. sgtl5000 codec manual states that in 'Synchronous SYS_MCLK input' mode that the following SYS_CLK frequencies are allowed: 256*fs, 384*fs, 512*fs. , where fs is the sampling frequency, which can be in the range of: 8, 11.025, 16, 22.5, 32, 44.1, 48, 96 kHz. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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