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-rw-r--r--sound/usb/quirks.c84
1 files changed, 23 insertions, 61 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index da73405c3115..acbeb52f6fd6 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1151,48 +1151,18 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
/* ITF-USB DSD based DACs need a vendor cmd to switch
* between PCM and native DSD mode
- * (2 altsets version)
*/
-static bool is_itf_usb_dsd_2alts_dac(struct snd_usb_audio *chip)
+static bool is_itf_usb_dsd_dac(unsigned int id)
{
- char *product = chip->dev->product; /* DAC product name */
-
- switch (chip->usb_id) {
+ switch (id) {
case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */
- return true;
- case USB_ID(0x0644, 0x8043):
- /* TEAC UD-501 */
- if (product && strcmp("UD-501", product)) {
- return true;
- } else {
- return false;
- }
- }
- return false;
-}
-
-/* ITF-USB DSD based DACs need a vendor cmd to switch
- * between PCM and native DSD mode
- * (3 altsets version)
- */
-static bool is_itf_usb_dsd_3alts_dac(struct snd_usb_audio *chip)
-{
- char *product = chip->dev->product; /* DAC product name */
-
- switch (chip->usb_id) {
+ case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
return true;
- case USB_ID(0x0644, 0x8043):
- /* TEAC UD-501V2/UD-503/NT-503 */
- if (product && !strcmp("UD-501", product)) {
- return true;
- } else {
- return false;
- }
}
return false;
}
@@ -1203,7 +1173,7 @@ int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
struct usb_device *dev = subs->dev;
int err;
- if (is_itf_usb_dsd_2alts_dac(subs->stream->chip)) {
+ if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
/* First switch to alt set 0, otherwise the mode switch cmd
* will not be accepted by the DAC
*/
@@ -1213,37 +1183,26 @@ int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
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);
- } else if (is_itf_usb_dsd_3alts_dac(subs->stream->chip)) {
/* Vendor mode switch cmd is required. */
- switch (fmt->altsetting) {
- case 3: /* DSD mode (DSD_U32) requested */
+ if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
+ /* DSD mode (DSD_U32) requested */
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1, 1, NULL, 0);
if (err < 0)
return err;
- break;
- case 2: /* PCM or DOP mode (S32) requested */
- case 1: /* PCM mode (S16) requested */
+ } else {
+ /* PCM or DOP mode (S32) requested */
+ /* PCM mode (S16) requested */
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
0, 1, NULL, 0);
if (err < 0)
return err;
- break;
+
}
+ mdelay(20);
}
return 0;
}
@@ -1323,7 +1282,7 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
/* ITF-USB DSD based DACs functionality need a delay
* after each class compliant request
*/
- if (is_itf_usb_dsd_2alts_dac(chip)
+ if (is_itf_usb_dsd_dac(chip->usb_id)
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
@@ -1349,6 +1308,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
struct audioformat *fp,
unsigned int sample_bytes)
{
+ struct usb_interface *iface;
+
/* Playback Designs */
if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
switch (fp->altsetting) {
@@ -1410,15 +1371,16 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
break;
}
- /* ITF-USB DSD based DACs (2 altsets version) */
- if (is_itf_usb_dsd_2alts_dac(chip)) {
- if (fp->altsetting == 2)
- return SNDRV_PCM_FMTBIT_DSD_U32_BE;
- }
+ /* ITF-USB DSD based DACs */
+ if (is_itf_usb_dsd_dac(chip->usb_id)) {
+ iface = usb_ifnum_to_if(chip->dev, fp->iface);
- /* ITF-USB DSD based DACs (3 altsets version) */
- if (is_itf_usb_dsd_3alts_dac(chip)) {
- if (fp->altsetting == 3)
+ /* Altsetting 2 support native DSD if the num of altsets is
+ * three (0-2),
+ * Altsetting 3 support native DSD if the num of altsets is
+ * four (0-3).
+ */
+ if (fp->altsetting == iface->num_altsetting - 1)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
}