summaryrefslogtreecommitdiffstats
path: root/sound/usb/quirks.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/usb/quirks.c')
-rw-r--r--sound/usb/quirks.c72
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;
}