This is a note to let you know that I've just added the patch titled
ALSA: usb-audio: Define macros for quirk table entries
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-usb-audio-define-macros-for-quirk-table-entries.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8853d0f3c4f08885e67749f55483ad7a39bee3b1
Author: Takashi Iwai <tiwai@xxxxxxx>
Date: Wed Aug 14 15:48:41 2024 +0200
ALSA: usb-audio: Define macros for quirk table entries
[ Upstream commit 0c3ad39b791c2ecf718afcaca30e5ceafa939d5c ]
Many entries in the USB-audio quirk tables have relatively complex
expressions. For improving the readability, introduce a few macros.
Those are applied in the following patch.
Link: https://patch.msgid.link/20240814134844.2726-2-tiwai@xxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 7a15cc260f741..dd98b4e13edac 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -35,6 +35,83 @@
.bInterfaceClass = USB_CLASS_AUDIO, \
.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL
+/* Quirk .driver_info, followed by the definition of the quirk entry;
+ * put like QUIRK_DRIVER_INFO { ... } in each entry of the quirk table
+ */
+#define QUIRK_DRIVER_INFO \
+ .driver_info = (unsigned long)&(const struct snd_usb_audio_quirk)
+
+/*
+ * Macros for quirk data entries
+ */
+
+/* Quirk data entry for ignoring the interface */
+#define QUIRK_DATA_IGNORE(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_IGNORE_INTERFACE
+/* Quirk data entry for a standard audio interface */
+#define QUIRK_DATA_STANDARD_AUDIO(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_AUDIO_STANDARD_INTERFACE
+/* Quirk data entry for a standard MIDI interface */
+#define QUIRK_DATA_STANDARD_MIDI(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_MIDI_STANDARD_INTERFACE
+/* Quirk data entry for a standard mixer interface */
+#define QUIRK_DATA_STANDARD_MIXER(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_AUDIO_STANDARD_MIXER
+
+/* Quirk data entry for Yamaha MIDI */
+#define QUIRK_DATA_MIDI_YAMAHA(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_MIDI_YAMAHA
+/* Quirk data entry for Edirol UAxx */
+#define QUIRK_DATA_EDIROL_UAXX(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_AUDIO_EDIROL_UAXX
+/* Quirk data entry for raw bytes interface */
+#define QUIRK_DATA_RAW_BYTES(_ifno) \
+ .ifnum = (_ifno), .type = QUIRK_MIDI_RAW_BYTES
+
+/* Quirk composite array terminator */
+#define QUIRK_COMPOSITE_END { .ifnum = -1 }
+
+/* Quirk data entry for composite quirks;
+ * followed by the quirk array that is terminated with QUIRK_COMPOSITE_END
+ * e.g. QUIRK_DATA_COMPOSITE { { quirk1 }, { quirk2 },..., QUIRK_COMPOSITE_END }
+ */
+#define QUIRK_DATA_COMPOSITE \
+ .ifnum = QUIRK_ANY_INTERFACE, \
+ .type = QUIRK_COMPOSITE, \
+ .data = &(const struct snd_usb_audio_quirk[])
+
+/* Quirk data entry for a fixed audio endpoint;
+ * followed by audioformat definition
+ * e.g. QUIRK_DATA_AUDIOFORMAT(n) { .formats = xxx, ... }
+ */
+#define QUIRK_DATA_AUDIOFORMAT(_ifno) \
+ .ifnum = (_ifno), \
+ .type = QUIRK_AUDIO_FIXED_ENDPOINT, \
+ .data = &(const struct audioformat)
+
+/* Quirk data entry for a fixed MIDI endpoint;
+ * followed by snd_usb_midi_endpoint_info definition
+ * e.g. QUIRK_DATA_MIDI_FIXED_ENDPOINT(n) { .out_cables = x, .in_cables = y }
+ */
+#define QUIRK_DATA_MIDI_FIXED_ENDPOINT(_ifno) \
+ .ifnum = (_ifno), \
+ .type = QUIRK_MIDI_FIXED_ENDPOINT, \
+ .data = &(const struct snd_usb_midi_endpoint_info)
+/* Quirk data entry for a MIDIMAN MIDI endpoint */
+#define QUIRK_DATA_MIDI_MIDIMAN(_ifno) \
+ .ifnum = (_ifno), \
+ .type = QUIRK_MIDI_MIDIMAN, \
+ .data = &(const struct snd_usb_midi_endpoint_info)
+/* Quirk data entry for a EMAGIC MIDI endpoint */
+#define QUIRK_DATA_MIDI_EMAGIC(_ifno) \
+ .ifnum = (_ifno), \
+ .type = QUIRK_MIDI_EMAGIC, \
+ .data = &(const struct snd_usb_midi_endpoint_info)
+
+/*
+ * Here we go... the quirk table definition begins:
+ */
+
/* FTDI devices */
{
USB_DEVICE(0x0403, 0xb8d8),
