From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/usb/mixer.h | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/kernel/sound/usb/mixer.h b/kernel/sound/usb/mixer.h
index f7e6fe1..6d20ba7 100644
--- a/kernel/sound/usb/mixer.h
+++ b/kernel/sound/usb/mixer.h
@@ -4,6 +4,8 @@
#include <sound/info.h>
+struct media_mixer_ctl;
+
struct usbmix_connector_map {
u8 id;
u8 delegated_id;
@@ -33,8 +35,13 @@
struct urb *rc_urb;
struct usb_ctrlrequest *rc_setup_packet;
u8 rc_buffer[6];
+ struct media_mixer_ctl *media_mixer_ctl;
bool disconnected;
+
+ void *private_data;
+ void (*private_free)(struct usb_mixer_interface *mixer);
+ void (*private_suspend)(struct usb_mixer_interface *mixer);
};
#define MAX_CHANNELS 16 /* max logical channels */
@@ -48,6 +55,7 @@
USB_MIXER_U16,
USB_MIXER_S32,
USB_MIXER_U32,
+ USB_MIXER_BESPOKEN, /* non-standard type */
};
typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer,
@@ -124,6 +132,6 @@
extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);
-extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
+extern const struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
#endif /* __USBMIXER_H */
--
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