diff options
Diffstat (limited to 'sound/usb/quirks.c')
| -rw-r--r-- | sound/usb/quirks.c | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 60dfe0d28771..4dbfb3d18ee2 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -43,12 +43,13 @@ static int create_composite_quirk(struct snd_usb_audio *chip, struct usb_interface *iface, struct usb_driver *driver, - const struct snd_usb_audio_quirk *quirk) + const struct snd_usb_audio_quirk *quirk_comp) { int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; + const struct snd_usb_audio_quirk *quirk; int err; - for (quirk = quirk->data; quirk->ifnum >= 0; ++quirk) { + for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); if (!iface) continue; @@ -58,9 +59,17 @@ static int create_composite_quirk(struct snd_usb_audio *chip, err = snd_usb_create_quirk(chip, iface, driver, quirk); if (err < 0) return err; - if (quirk->ifnum != probed_ifnum) + } + + for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { + iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); + if (!iface) + continue; + if (quirk->ifnum != probed_ifnum && + !usb_interface_claimed(iface)) usb_driver_claim_interface(driver, iface, (void *)-1L); } + return 0; } @@ -1102,6 +1111,44 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs, } } + +/* Marantz/Denon USB DACs need a vendor cmd to switch + * between PCM and native DSD mode + */ +int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, + struct audioformat *fmt) +{ + struct usb_device *dev = subs->dev; + int err; + + switch (subs->stream->chip->usb_id) { + case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ + case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ + + /* First switch to alt set 0, otherwise the mode switch cmd + * will not be accepted by the DAC + */ + err = usb_set_interface(dev, fmt->iface, 0); + if (err < 0) + return err; + + mdelay(20); /* Delay needed after setting the interface */ + + switch (fmt->altsetting) { + case 2: /* DSD mode requested */ + case 1: /* PCM mode requested */ + err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, + USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, + fmt->altsetting - 1, 1, NULL, 0); + if (err < 0) + return err; + break; + } + mdelay(20); + } + return 0; +} + void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) { /* @@ -1160,6 +1207,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, break; } } + + /* Zoom R16/24 needs a tiny delay here, otherwise requests like + * get/set frequency return as failed despite actually succeeding. + */ + if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1686) && + (le16_to_cpu(dev->descriptor.idProduct) == 0x00dd) && + (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) + mdelay(1); } /* @@ -1204,5 +1259,16 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, break; } + /* Denon/Marantz devices with USB DAC functionality */ + switch (chip->usb_id) { + case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ + case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ + if (fp->altsetting == 2) + return SNDRV_PCM_FMTBIT_DSD_U32_BE; + break; + default: + break; + } + return 0; } |