diff options
Diffstat (limited to 'sound/usb/quirks.c')
| -rw-r--r-- | sound/usb/quirks.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index c0e3bc4afec6..bca0179a0ef8 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1458,6 +1458,30 @@ static void set_format_emu_quirk(struct snd_usb_substream *subs, subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; } + +/* + * Pioneer DJ DJM-900NXS2 + * Device needs to know the sample rate each time substream is started + */ +static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs) +{ + + /* Convert sample rate value to little endian */ + u8 sr[3]; + + sr[0] = subs->cur_rate & 0xff; + sr[1] = (subs->cur_rate >> 8) & 0xff; + sr[2] = (subs->cur_rate >> 16) & 0xff; + + /* Configure device */ + usb_set_interface(subs->dev, 0, 1); + snd_usb_ctl_msg(subs->stream->chip->dev, + usb_rcvctrlpipe(subs->stream->chip->dev, 0), + 0x01, 0x22, 0x0100, 0x0082, &sr, 0x0003); + + return 0; +} + void snd_usb_set_format_quirk(struct snd_usb_substream *subs, struct audioformat *fmt) { @@ -1468,6 +1492,9 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs, case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ set_format_emu_quirk(subs, fmt); break; + case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */ + pioneer_djm_set_format_quirk(subs); + break; } } |