Jörg Krause wrote: > The i.MX6UL has a Synchronous Audio Interface (SAI), where the data in > the FIFO can be aligned anywhere within the 32-bit wide register > through the use of the First Bit Shifted configuration field. In the > corresponding Linux SAI driver the FBS field is set the way that data > alignment for 24-bit data is: > > 31 30 29 28 | 27 26 25 24 | 23 22 21 20 | .. | 3 2 1 0 > ## ## ## ## ## ## ## ## [ DATA[23:0] ] This indeed is S24_LE. Which is an extremely uncommon format. If possible, the driver should be changed to align to the sample's MSB to the memory word's MSB, and then label it as S32_LE. >> S24_LE cannot be handled with the same algorithm as S32_LE. To be precise: the sign in bit 23 must be preserved. Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel