change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/sound/usb/mixer.h
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@@ -4,6 +4,8 @@
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 #include <sound/info.h>
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+struct media_mixer_ctl;
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+
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 struct usbmix_connector_map {
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 	u8 id;
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 	u8 delegated_id;
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@@ -33,8 +35,13 @@
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 	struct urb *rc_urb;
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 	struct usb_ctrlrequest *rc_setup_packet;
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 	u8 rc_buffer[6];
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+	struct media_mixer_ctl *media_mixer_ctl;
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 	bool disconnected;
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+
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+	void *private_data;
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+	void (*private_free)(struct usb_mixer_interface *mixer);
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+	void (*private_suspend)(struct usb_mixer_interface *mixer);
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 };
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 #define MAX_CHANNELS	16	/* max logical channels */
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@@ -48,6 +55,7 @@
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 	USB_MIXER_U16,
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 	USB_MIXER_S32,
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 	USB_MIXER_U32,
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+	USB_MIXER_BESPOKEN,	/* non-standard type */
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 };
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 typedef void (*usb_mixer_elem_dump_func_t)(struct snd_info_buffer *buffer,
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@@ -124,6 +132,6 @@
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 extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);
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-extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
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+extern const struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
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 #endif /* __USBMIXER_H */