On Tue, 11 Feb 2020 17:22:35 +0100, Arvind Sankar wrote: > > The Audioengine D1 (0x2912:0x30c8) does support reading the sample rate, > but it returns the rate in byte-reversed order. > > When setting sampling rate, the driver produces these warning messages: > [168840.944226] usb 3-2.2: current rate 4500480 is different from the runtime rate 44100 > [168854.930414] usb 3-2.2: current rate 8436480 is different from the runtime rate 48000 > [168905.185825] usb 3-2.1.2: current rate 30465 is different from the runtime rate 96000 > > As can be seen from the hexadecimal conversion, the current rate read > back is byte-reversed from the rate that was set. > > 44100 == 0x00ac44, 4500480 == 0x44ac00 > 48000 == 0x00bb80, 8436480 == 0x80bb00 > 96000 == 0x017700, 30465 == 0x007701 > > Rather than implementing a new quirk to reverse the order, just skip > checking the rate to avoid spamming the log. > > Signed-off-by: Arvind Sankar <nivedita@xxxxxxxxxxxx> Thanks, applied now with Cc to stable. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
