From f530fbb7a18f2794e4178dfb7cd07719b9586147 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 8 May 2024 05:43:32 +0200
Subject: Merging upstream version 4.19.269.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 sound/usb/endpoint.c     |  6 ++---
 sound/usb/midi.c         |  4 +---
 sound/usb/quirks-table.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++
 sound/usb/quirks.c       |  2 ++
 4 files changed, 68 insertions(+), 6 deletions(-)

(limited to 'sound/usb')

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 727ef9889..e428d8b36 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -86,12 +86,13 @@ static inline unsigned get_usb_high_speed_rate(unsigned int rate)
  */
 static void release_urb_ctx(struct snd_urb_ctx *u)
 {
-	if (u->buffer_size)
+	if (u->urb && u->buffer_size)
 		usb_free_coherent(u->ep->chip->dev, u->buffer_size,
 				  u->urb->transfer_buffer,
 				  u->urb->transfer_dma);
 	usb_free_urb(u->urb);
 	u->urb = NULL;
+	u->buffer_size = 0;
 }
 
 static const char *usb_error_string(int err)
@@ -816,6 +817,7 @@ static int sync_ep_set_params(struct snd_usb_endpoint *ep)
 	if (!ep->syncbuf)
 		return -ENOMEM;
 
+	ep->nurbs = SYNC_URBS;
 	for (i = 0; i < SYNC_URBS; i++) {
 		struct snd_urb_ctx *u = &ep->urb[i];
 		u->index = i;
@@ -835,8 +837,6 @@ static int sync_ep_set_params(struct snd_usb_endpoint *ep)
 		u->urb->complete = snd_complete_urb;
 	}
 
-	ep->nurbs = SYNC_URBS;
-
 	return 0;
 
 out_of_memory:
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index c9c604f0e..78637bfaf 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1149,10 +1149,8 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream)
 					port = &umidi->endpoints[i].out->ports[j];
 					break;
 				}
-	if (!port) {
-		snd_BUG();
+	if (!port)
 		return -ENXIO;
-	}
 
 	substream->runtime->private_data = port;
 	port->state = STATE_UNKNOWN;
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 1e0d94603..e72f744bc 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2109,6 +2109,10 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		}
 	}
 },
+{
+	/* M-Audio Micro */
+	USB_DEVICE_VENDOR_SPEC(0x0763, 0x201a),
+},
 {
 	USB_DEVICE_VENDOR_SPEC(0x0763, 0x2030),
 	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
@@ -3526,6 +3530,64 @@ ALC1220_VB_DESKTOP(0x26ce, 0x0a01), /* Asrock TRX40 Creator */
 	}
 },
 
+/*
+ * MacroSilicon MS2100/MS2106 based AV capture cards
+ *
+ * These claim 96kHz 1ch in the descriptors, but are actually 48kHz 2ch.
+ * They also need QUIRK_AUDIO_ALIGN_TRANSFER, which makes one wonder if
+ * they pretend to be 96kHz mono as a workaround for stereo being broken
+ * by that...
+ *
+ * They also have an issue with initial stream alignment that causes the
+ * channels to be swapped and out of phase, which is dealt with in quirks.c.
+ */
+{
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+		       USB_DEVICE_ID_MATCH_INT_CLASS |
+		       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+	.idVendor = 0x534d,
+	.idProduct = 0x0021,
+	.bInterfaceClass = USB_CLASS_AUDIO,
+	.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "MacroSilicon",
+		.product_name = "MS210x",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = &(const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_ALIGN_TRANSFER,
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_STANDARD_MIXER,
+			},
+			{
+				.ifnum = 3,
+				.type = QUIRK_AUDIO_FIXED_ENDPOINT,
+				.data = &(const struct audioformat) {
+					.formats = SNDRV_PCM_FMTBIT_S16_LE,
+					.channels = 2,
+					.iface = 3,
+					.altsetting = 1,
+					.altset_idx = 1,
+					.attributes = 0,
+					.endpoint = 0x82,
+					.ep_attr = USB_ENDPOINT_XFER_ISOC |
+						USB_ENDPOINT_SYNC_ASYNC,
+					.rates = SNDRV_PCM_RATE_CONTINUOUS,
+					.rate_min = 48000,
+					.rate_max = 48000,
+				}
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
+
 /*
  * MacroSilicon MS2109 based HDMI capture cards
  *
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index b1bd63a9f..43cbaaff1 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1174,6 +1174,7 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
 	case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
 		set_format_emu_quirk(subs, fmt);
 		break;
+	case USB_ID(0x534d, 0x0021): /* MacroSilicon MS2100/MS2106 */
 	case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
 		subs->stream_offset_adj = 2;
 		break;
@@ -1409,6 +1410,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	/* XMOS based USB DACs */
 	switch (chip->usb_id) {
 	case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
+	case USB_ID(0x21ed, 0xd75a): /* Accuphase DAC-60 option card */
 	case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
 	case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
 		if (fp->altsetting == 2)
-- 
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