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-rw-r--r--sound/usb/quirks.c355
1 files changed, 322 insertions, 33 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 2c971858d6b..7c57f2268dd 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/usb/audio.h>
+#include <linux/usb/midi.h>
#include <sound/control.h>
#include <sound/core.h>
@@ -109,7 +110,7 @@ static int create_standard_audio_quirk(struct snd_usb_audio *chip,
altsd = get_iface_desc(alts);
err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
if (err < 0) {
- snd_printk(KERN_ERR "cannot setup if %d: error %d\n",
+ usb_audio_err(chip, "cannot setup if %d: error %d\n",
altsd->bInterfaceNumber, err);
return err;
}
@@ -128,12 +129,13 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
{
struct audioformat *fp;
struct usb_host_interface *alts;
+ struct usb_interface_descriptor *altsd;
int stream, err;
unsigned *rate_table = NULL;
fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
if (!fp) {
- snd_printk(KERN_ERR "cannot memdup\n");
+ usb_audio_err(chip, "cannot memdup\n");
return -ENOMEM;
}
if (fp->nr_rates > MAX_NR_RATES) {
@@ -165,14 +167,225 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
return -EINVAL;
}
alts = &iface->altsetting[fp->altset_idx];
- fp->datainterval = snd_usb_parse_datainterval(chip, alts);
- fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+ altsd = get_iface_desc(alts);
+ fp->protocol = altsd->bInterfaceProtocol;
+
+ if (fp->datainterval == 0)
+ fp->datainterval = snd_usb_parse_datainterval(chip, alts);
+ if (fp->maxpacksize == 0)
+ fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
usb_set_interface(chip->dev, fp->iface, 0);
snd_usb_init_pitch(chip, fp->iface, alts, fp);
snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
return 0;
}
+static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver)
+{
+ struct usb_host_interface *alts;
+ struct usb_interface_descriptor *altsd;
+ struct usb_endpoint_descriptor *epd;
+ struct uac1_as_header_descriptor *ashd;
+ struct uac_format_type_i_discrete_descriptor *fmtd;
+
+ /*
+ * Most Roland/Yamaha audio streaming interfaces have more or less
+ * standard descriptors, but older devices might lack descriptors, and
+ * future ones might change, so ensure that we fail silently if the
+ * interface doesn't look exactly right.
+ */
+
+ /* must have a non-zero altsetting for streaming */
+ if (iface->num_altsetting < 2)
+ return -ENODEV;
+ alts = &iface->altsetting[1];
+ altsd = get_iface_desc(alts);
+
+ /* must have an isochronous endpoint for streaming */
+ if (altsd->bNumEndpoints < 1)
+ return -ENODEV;
+ epd = get_endpoint(alts, 0);
+ if (!usb_endpoint_xfer_isoc(epd))
+ return -ENODEV;
+
+ /* must have format descriptors */
+ ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
+ UAC_AS_GENERAL);
+ fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
+ UAC_FORMAT_TYPE);
+ if (!ashd || ashd->bLength < 7 ||
+ !fmtd || fmtd->bLength < 8)
+ return -ENODEV;
+
+ return create_standard_audio_quirk(chip, iface, driver, NULL);
+}
+
+static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver,
+ struct usb_host_interface *alts)
+{
+ static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
+ .type = QUIRK_MIDI_YAMAHA
+ };
+ struct usb_midi_in_jack_descriptor *injd;
+ struct usb_midi_out_jack_descriptor *outjd;
+
+ /* must have some valid jack descriptors */
+ injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
+ NULL, USB_MS_MIDI_IN_JACK);
+ outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
+ NULL, USB_MS_MIDI_OUT_JACK);
+ if (!injd && !outjd)
+ return -ENODEV;
+ if (injd && (injd->bLength < 5 ||
+ (injd->bJackType != USB_MS_EMBEDDED &&
+ injd->bJackType != USB_MS_EXTERNAL)))
+ return -ENODEV;
+ if (outjd && (outjd->bLength < 6 ||
+ (outjd->bJackType != USB_MS_EMBEDDED &&
+ outjd->bJackType != USB_MS_EXTERNAL)))
+ return -ENODEV;
+ return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
+}
+
+static int create_roland_midi_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver,
+ struct usb_host_interface *alts)
+{
+ static const struct snd_usb_audio_quirk roland_midi_quirk = {
+ .type = QUIRK_MIDI_ROLAND
+ };
+ u8 *roland_desc = NULL;
+
+ /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
+ for (;;) {
+ roland_desc = snd_usb_find_csint_desc(alts->extra,
+ alts->extralen,
+ roland_desc, 0xf1);
+ if (!roland_desc)
+ return -ENODEV;
+ if (roland_desc[0] < 6 || roland_desc[3] != 2)
+ continue;
+ return create_any_midi_quirk(chip, iface, driver,
+ &roland_midi_quirk);
+ }
+}
+
+static int create_std_midi_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver,
+ struct usb_host_interface *alts)
+{
+ struct usb_ms_header_descriptor *mshd;
+ struct usb_ms_endpoint_descriptor *msepd;
+
+ /* must have the MIDIStreaming interface header descriptor*/
+ mshd = (struct usb_ms_header_descriptor *)alts->extra;
+ if (alts->extralen < 7 ||
+ mshd->bLength < 7 ||
+ mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
+ mshd->bDescriptorSubtype != USB_MS_HEADER)
+ return -ENODEV;
+ /* must have the MIDIStreaming endpoint descriptor*/
+ msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
+ if (alts->endpoint[0].extralen < 4 ||
+ msepd->bLength < 4 ||
+ msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
+ msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
+ msepd->bNumEmbMIDIJack < 1 ||
+ msepd->bNumEmbMIDIJack > 16)
+ return -ENODEV;
+
+ return create_any_midi_quirk(chip, iface, driver, NULL);
+}
+
+static int create_auto_midi_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver)
+{
+ struct usb_host_interface *alts;
+ struct usb_interface_descriptor *altsd;
+ struct usb_endpoint_descriptor *epd;
+ int err;
+
+ alts = &iface->altsetting[0];
+ altsd = get_iface_desc(alts);
+
+ /* must have at least one bulk/interrupt endpoint for streaming */
+ if (altsd->bNumEndpoints < 1)
+ return -ENODEV;
+ epd = get_endpoint(alts, 0);
+ if (!usb_endpoint_xfer_bulk(epd) &&
+ !usb_endpoint_xfer_int(epd))
+ return -ENODEV;
+
+ switch (USB_ID_VENDOR(chip->usb_id)) {
+ case 0x0499: /* Yamaha */
+ err = create_yamaha_midi_quirk(chip, iface, driver, alts);
+ if (err != -ENODEV)
+ return err;
+ break;
+ case 0x0582: /* Roland */
+ err = create_roland_midi_quirk(chip, iface, driver, alts);
+ if (err != -ENODEV)
+ return err;
+ break;
+ }
+
+ return create_std_midi_quirk(chip, iface, driver, alts);
+}
+
+static int create_autodetect_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver)
+{
+ int err;
+
+ err = create_auto_pcm_quirk(chip, iface, driver);
+ if (err == -ENODEV)
+ err = create_auto_midi_quirk(chip, iface, driver);
+ return err;
+}
+
+static int create_autodetect_quirks(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ struct usb_driver *driver,
+ const struct snd_usb_audio_quirk *quirk)
+{
+ int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
+ int ifcount, ifnum, err;
+
+ err = create_autodetect_quirk(chip, iface, driver);
+ if (err < 0)
+ return err;
+
+ /*
+ * ALSA PCM playback/capture devices cannot be registered in two steps,
+ * so we have to claim the other corresponding interface here.
+ */
+ ifcount = chip->dev->actconfig->desc.bNumInterfaces;
+ for (ifnum = 0; ifnum < ifcount; ifnum++) {
+ if (ifnum == probed_ifnum || quirk->ifnum >= 0)
+ continue;
+ iface = usb_ifnum_to_if(chip->dev, ifnum);
+ if (!iface ||
+ usb_interface_claimed(iface) ||
+ get_iface_desc(iface->altsetting)->bInterfaceClass !=
+ USB_CLASS_VENDOR_SPEC)
+ continue;
+
+ err = create_autodetect_quirk(chip, iface, driver);
+ if (err >= 0)
+ usb_driver_claim_interface(driver, iface, (void *)-1L);
+ }
+
+ return 0;
+}
+
/*
* Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
* The only way to detect the sample rate is by looking at wMaxPacketSize.
@@ -251,7 +464,7 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
fp->rate_max = fp->rate_min = 96000;
break;
default:
- snd_printk(KERN_ERR "unknown sample rate\n");
+ usb_audio_err(chip, "unknown sample rate\n");
kfree(fp);
return -ENXIO;
}
@@ -301,9 +514,11 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
static const quirk_func_t quirk_funcs[] = {
[QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
[QUIRK_COMPOSITE] = create_composite_quirk,
+ [QUIRK_AUTODETECT] = create_autodetect_quirks,
[QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
[QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
[QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
+ [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
[QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
[QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
[QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
@@ -321,7 +536,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
if (quirk->type < QUIRK_TYPE_COUNT) {
return quirk_funcs[quirk->type](chip, iface, driver, quirk);
} else {
- snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
+ usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
return -ENXIO;
}
}
@@ -340,18 +555,21 @@ static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interfac
if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
- snd_printdd("sending Extigy boot sequence...\n");
+ dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
/* Send message to force it to reconnect with full interface. */
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
0x10, 0x43, 0x0001, 0x000a, NULL, 0);
- if (err < 0) snd_printdd("error sending boot message: %d\n", err);
+ if (err < 0)
+ dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
&dev->descriptor, sizeof(dev->descriptor));
config = dev->actconfig;
- if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err);
+ if (err < 0)
+ dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
err = usb_reset_configuration(dev);
- if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err);
- snd_printdd("extigy_boot: new boot length = %d\n",
+ if (err < 0)
+ dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
+ dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
le16_to_cpu(get_cfg_desc(config)->wTotalLength));
return -ENODEV; /* quit this anyway */
}
@@ -379,7 +597,7 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
int err;
if (dev->actconfig->desc.bConfigurationValue == 1) {
- snd_printk(KERN_INFO "usb-audio: "
+ dev_info(&dev->dev,
"Fast Track Pro switching to config #2\n");
/* This function has to be available by the usb core module.
* if it is not avialable the boot quirk has to be left out
@@ -388,14 +606,15 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
*/
err = usb_driver_set_configuration(dev, 2);
if (err < 0)
- snd_printdd("error usb_driver_set_configuration: %d\n",
- err);
+ dev_dbg(&dev->dev,
+ "error usb_driver_set_configuration: %d\n",
+ err);
/* Always return an error, so that we stop creating a device
that will just be destroyed and recreated with a new
configuration */
return -ENODEV;
} else
- snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
+ dev_info(&dev->dev, "Fast Track Pro config OK\n");
return 0;
}
@@ -445,6 +664,30 @@ static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
return err;
}
+/* quirk for Plantronics GameCom 780 with CM6302 chip */
+static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
+{
+ /* set the initial volume and don't change; other values are either
+ * too loud or silent due to firmware bug (bko#65251)
+ */
+ u8 buf[2] = { 0x74, 0xdc };
+ return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
+ USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
+ UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
+}
+
+/*
+ * Novation Twitch DJ controller
+ * Focusrite Novation Saffire 6 USB audio card
+ */
+static int snd_usb_novation_boot_quirk(struct usb_device *dev)
+{
+ /* preemptively set up the device because otherwise the
+ * raw MIDI endpoints are not active */
+ usb_set_interface(dev, 0, 1);
+ return 0;
+}
+
/*
* This call will put the synth in "USB send" mode, i.e it will send MIDI
* messages through USB (this is disabled at startup). The synth will
@@ -486,7 +729,7 @@ static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
{
int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- cpu_to_le16(1), 0, NULL, 0, 1000);
+ 1, 0, NULL, 0, 1000);
if (ret < 0)
return ret;
@@ -533,18 +776,18 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
{
struct usb_host_config *config = dev->actconfig;
int err;
- u8 bootresponse[12];
+ u8 bootresponse[0x12];
int fwsize;
int count;
fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
if (fwsize != MBOX2_FIRMWARE_SIZE) {
- snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize);
+ dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
return -ENODEV;
}
- snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n");
+ dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
count = 0;
bootresponse[0] = MBOX2_BOOT_LOADING;
@@ -555,32 +798,32 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
if (bootresponse[0] == MBOX2_BOOT_READY)
break;
- snd_printd("usb-audio: device not ready, resending boot sequence...\n");
+ dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
count++;
}
if (bootresponse[0] != MBOX2_BOOT_READY) {
- snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
+ dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
return -ENODEV;
}
- snd_printdd("usb-audio: device initialised!\n");
+ dev_dbg(&dev->dev, "device initialised!\n");
err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
&dev->descriptor, sizeof(dev->descriptor));
config = dev->actconfig;
if (err < 0)
- snd_printd("error usb_get_descriptor: %d\n", err);
+ dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
err = usb_reset_configuration(dev);
if (err < 0)
- snd_printd("error usb_reset_configuration: %d\n", err);
- snd_printdd("mbox2_boot: new boot length = %d\n",
+ dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
+ dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
le16_to_cpu(get_cfg_desc(config)->wTotalLength));
mbox2_setup_48_24_magic(dev);
- snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz");
+ dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
return 0; /* Successful boot */
}
@@ -626,7 +869,7 @@ static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
return 1; /* skip this altsetting */
}
}
- snd_printdd(KERN_INFO
+ usb_audio_dbg(chip,
"using altsetting %d for interface %d config %d\n",
altno, iface, chip->setup);
return 0; /* keep this altsetting */
@@ -693,7 +936,7 @@ static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
return 1;
}
- snd_printdd(KERN_INFO
+ usb_audio_dbg(chip,
"using altsetting %d for interface %d config %d\n",
altno, iface, chip->setup);
return 0; /* keep this altsetting */
@@ -746,6 +989,10 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
/* Digidesign Mbox 2 */
return snd_usb_mbox2_boot_quirk(dev);
+ case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
+ case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
+ return snd_usb_novation_boot_quirk(dev);
+
case USB_ID(0x133e, 0x0815):
/* Access Music VirusTI Desktop */
return snd_usb_accessmusic_boot_quirk(dev);
@@ -756,6 +1003,8 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
return snd_usb_nativeinstruments_boot_quirk(dev);
case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
return snd_usb_fasttrackpro_boot_quirk(dev);
+ case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
+ return snd_usb_gamecon780_boot_quirk(dev);
}
return 0;
@@ -837,6 +1086,7 @@ static void set_format_emu_quirk(struct snd_usb_substream *subs,
break;
}
snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
+ subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
}
void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
@@ -863,17 +1113,28 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
ep->skip_packets = 4;
/*
- * M-Audio Fast Track C400 - when packets are not skipped, real world
- * latency varies by approx. +/- 50 frames (at 96KHz) each time the
- * stream is (re)started. When skipping packets 16 at endpoint start
- * up, the real world latency is stable within +/- 1 frame (also
+ * M-Audio Fast Track C400/C600 - when packets are not skipped, real
+ * world latency varies by approx. +/- 50 frames (at 96KHz) each time
+ * the stream is (re)started. When skipping packets 16 at endpoint
+ * start up, the real world latency is stable within +/- 1 frame (also
* across power cycles).
*/
- if (ep->chip->usb_id == USB_ID(0x0763, 0x2030) &&
+ if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
+ ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
ep->type == SND_USB_ENDPOINT_TYPE_DATA)
ep->skip_packets = 16;
}
+void snd_usb_set_interface_quirk(struct usb_device *dev)
+{
+ /*
+ * "Playback Design" products need a 50ms delay after setting the
+ * USB interface.
+ */
+ if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)
+ mdelay(50);
+}
+
void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
__u8 request, __u8 requesttype, __u16 value,
__u16 index, void *data, __u16 size)
@@ -887,3 +1148,31 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
mdelay(20);
}
+/*
+ * snd_usb_interface_dsd_format_quirks() is called from format.c to
+ * augment the PCM format bit-field for DSD types. The UAC standards
+ * don't have a designated bit field to denote DSD-capable interfaces,
+ * hence all hardware that is known to support this format has to be
+ * listed here.
+ */
+u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ unsigned int sample_bytes)
+{
+ /* Playback Designs */
+ if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) {
+ switch (fp->altsetting) {
+ case 1:
+ fp->dsd_dop = true;
+ return SNDRV_PCM_FMTBIT_DSD_U16_LE;
+ case 2:
+ fp->dsd_bitrev = true;
+ return SNDRV_PCM_FMTBIT_DSD_U8;
+ case 3:
+ fp->dsd_bitrev = true;
+ return SNDRV_PCM_FMTBIT_DSD_U16_LE;
+ }
+ }
+
+ return 0;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 19:39:49 +0000