Ben Dooks wrote: > On 2020-01-30 14:58, Clemens Ladisch wrote: >> Ben Dooks wrote: >>> On 30/01/2020 09:31, Clemens Ladisch wrote: >>>> S24_LE: 24-bit samples in 32-bit words, aligned to the LSB >>>> S32_LE: 24-bit samples in 32-bit words, aligned to the MSB >>>> >>>> It is very unlikely that your hardware implements S24_LE. >>> >>> Which is wrong, since this is exactly what the hardware implements. >>> >>> The DMA fetches 32 bit words, and then the front end dispatches only >>> 24 bits of these to the I2S/TDM >> >> Which 24 bits? Is the padding in the first byte (S32_LE) or in the >> last byte (S24_LE)? > > I think the low 24 bits are sent from the 32 bit word. This would indeed by S24_LE. If you change the driver to say that it supports _only_ S24_LE, is the data then played correctly? Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
