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Diffstat (limited to 'sound/usb/quirks.c')
-rw-r--r--sound/usb/quirks.c62
1 files changed, 60 insertions, 2 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index e7b68c67852e..f62631b54e10 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -167,8 +167,8 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
return -EINVAL;
}
if (fp->nr_rates > 0) {
- rate_table = kmemdup(fp->rate_table,
- sizeof(int) * fp->nr_rates, GFP_KERNEL);
+ rate_table = kmemdup_array(fp->rate_table, fp->nr_rates, sizeof(int),
+ GFP_KERNEL);
if (!rate_table) {
kfree(fp);
return -ENOMEM;
@@ -1389,6 +1389,27 @@ static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
return 0;
}
+static int snd_usb_rme_digiface_boot_quirk(struct usb_device *dev)
+{
+ /* Disable mixer, internal clock, all outputs ADAT, 48kHz, TMS off */
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 16, 0x40, 0x2410, 0x7fff, NULL, 0);
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 18, 0x40, 0x0104, 0xffff, NULL, 0);
+
+ /* Disable loopback for all inputs */
+ for (int ch = 0; ch < 32; ch++)
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 22, 0x40, 0x400, ch, NULL, 0);
+
+ /* Unity gain for all outputs */
+ for (int ch = 0; ch < 34; ch++)
+ snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
+ 21, 0x40, 0x9000, 0x100 + ch, NULL, 0);
+
+ return 0;
+}
+
/*
* Setup quirks
*/
@@ -1616,6 +1637,8 @@ int snd_usb_apply_boot_quirk(struct usb_device *dev,
get_iface_desc(intf->altsetting)->bInterfaceNumber < 3)
return snd_usb_motu_microbookii_boot_quirk(dev);
break;
+ case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */
+ return snd_usb_rme_digiface_boot_quirk(dev);
}
return 0;
@@ -1771,6 +1794,38 @@ static void mbox3_set_format_quirk(struct snd_usb_substream *subs,
dev_warn(&subs->dev->dev, "MBOX3: Couldn't set the sample rate");
}
+static const int rme_digiface_rate_table[] = {
+ 32000, 44100, 48000, 0,
+ 64000, 88200, 96000, 0,
+ 128000, 176400, 192000, 0,
+};
+
+static int rme_digiface_set_format_quirk(struct snd_usb_substream *subs)
+{
+ unsigned int cur_rate = subs->data_endpoint->cur_rate;
+ u16 val;
+ int speed_mode;
+ int id;
+
+ for (id = 0; id < ARRAY_SIZE(rme_digiface_rate_table); id++) {
+ if (rme_digiface_rate_table[id] == cur_rate)
+ break;
+ }
+
+ if (id >= ARRAY_SIZE(rme_digiface_rate_table))
+ return -EINVAL;
+
+ /* 2, 3, 4 for 1x, 2x, 4x */
+ speed_mode = (id >> 2) + 2;
+ val = (id << 3) | (speed_mode << 12);
+
+ /* Set the sample rate */
+ snd_usb_ctl_msg(subs->stream->chip->dev,
+ usb_sndctrlpipe(subs->stream->chip->dev, 0),
+ 16, 0x40, val, 0x7078, NULL, 0);
+ return 0;
+}
+
void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
const struct audioformat *fmt)
{
@@ -1795,6 +1850,9 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
case USB_ID(0x0dba, 0x5000):
mbox3_set_format_quirk(subs, fmt); /* Digidesign Mbox 3 */
break;
+ case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */
+ rme_digiface_set_format_quirk(subs);
+ break;
}
}