[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/sound/usb/power.h b/src/kernel/linux/v4.19/sound/usb/power.h
new file mode 100644
index 0000000..6004231
--- /dev/null
+++ b/src/kernel/linux/v4.19/sound/usb/power.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __USBAUDIO_POWER_H
+#define __USBAUDIO_POWER_H
+
+struct snd_usb_power_domain {
+ int pd_id; /* UAC3 Power Domain ID */
+ int pd_d1d0_rec; /* D1 to D0 recovery time */
+ int pd_d2d0_rec; /* D2 to D0 recovery time */
+};
+
+enum {
+ UAC3_PD_STATE_D0,
+ UAC3_PD_STATE_D1,
+ UAC3_PD_STATE_D2,
+};
+
+int snd_usb_power_domain_set(struct snd_usb_audio *chip,
+ struct snd_usb_power_domain *pd,
+ unsigned char state);
+struct snd_usb_power_domain *
+snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,
+ unsigned char id);
+
+#ifdef CONFIG_PM
+int snd_usb_autoresume(struct snd_usb_audio *chip);
+void snd_usb_autosuspend(struct snd_usb_audio *chip);
+#else
+static inline int snd_usb_autoresume(struct snd_usb_audio *chip)
+{
+ return 0;
+}
+static inline void snd_usb_autosuspend(struct snd_usb_audio *chip)
+{
+}
+#endif
+
+#endif /* __USBAUDIO_POWER_H */