diff --git a/libc/kernel/uapi/sound/asound.h b/libc/kernel/uapi/sound/asound.h
index 7da2fbb..b608ed5 100644
--- a/libc/kernel/uapi/sound/asound.h
+++ b/libc/kernel/uapi/sound/asound.h
@@ -92,7 +92,7 @@
 #define SNDRV_HWDEP_IOCTL_INFO _IOR('H', 0x01, struct snd_hwdep_info)
 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
-#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 15)
+#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 17)
 typedef unsigned long snd_pcm_uframes_t;
 typedef signed long snd_pcm_sframes_t;
 enum {
@@ -201,7 +201,10 @@
 #endif
 typedef int __bitwise snd_pcm_subformat_t;
 #define SNDRV_PCM_SUBFORMAT_STD (( snd_pcm_subformat_t) 0)
-#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
+#define SNDRV_PCM_SUBFORMAT_MSBITS_MAX (( snd_pcm_subformat_t) 1)
+#define SNDRV_PCM_SUBFORMAT_MSBITS_20 (( snd_pcm_subformat_t) 2)
+#define SNDRV_PCM_SUBFORMAT_MSBITS_24 (( snd_pcm_subformat_t) 3)
+#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_MSBITS_24
 #define SNDRV_PCM_INFO_MMAP 0x00000001
 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002
 #define SNDRV_PCM_INFO_DOUBLE 0x00000004
diff --git a/libc/kernel/uapi/sound/scarlett2.h b/libc/kernel/uapi/sound/scarlett2.h
new file mode 100644
index 0000000..13e6abe
--- /dev/null
+++ b/libc/kernel/uapi/sound/scarlett2.h
@@ -0,0 +1,30 @@
+/*
+ * This file is auto-generated. Modifications will be lost.
+ *
+ * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
+ * for more information.
+ */
+#ifndef __UAPI_SOUND_SCARLETT2_H
+#define __UAPI_SOUND_SCARLETT2_H
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#define SCARLETT2_HWDEP_MAJOR 1
+#define SCARLETT2_HWDEP_MINOR 0
+#define SCARLETT2_HWDEP_SUBMINOR 0
+#define SCARLETT2_HWDEP_VERSION ((SCARLETT2_HWDEP_MAJOR << 16) | (SCARLETT2_HWDEP_MINOR << 8) | SCARLETT2_HWDEP_SUBMINOR)
+#define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) >> 16) & 0xFF)
+#define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) >> 8) & 0xFF)
+#define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) & 0xFF)
+#define SCARLETT2_IOCTL_PVERSION _IOR('S', 0x60, int)
+#define SCARLETT2_IOCTL_REBOOT _IO('S', 0x61)
+#define SCARLETT2_SEGMENT_ID_SETTINGS 0
+#define SCARLETT2_SEGMENT_ID_FIRMWARE 1
+#define SCARLETT2_SEGMENT_ID_COUNT 2
+#define SCARLETT2_IOCTL_SELECT_FLASH_SEGMENT _IOW('S', 0x62, int)
+#define SCARLETT2_IOCTL_ERASE_FLASH_SEGMENT _IO('S', 0x63)
+struct scarlett2_flash_segment_erase_progress {
+  unsigned char progress;
+  unsigned char num_blocks;
+};
+#define SCARLETT2_IOCTL_GET_ERASE_PROGRESS _IOR('S', 0x64, struct scarlett2_flash_segment_erase_progress)
+#endif
diff --git a/libc/kernel/uapi/sound/sof/tokens.h b/libc/kernel/uapi/sound/sof/tokens.h
index d57d55b..b55a895 100644
--- a/libc/kernel/uapi/sound/sof/tokens.h
+++ b/libc/kernel/uapi/sound/sof/tokens.h
@@ -15,6 +15,7 @@
 #define SOF_TPLG_KCTL_BYTES_WO_ID 262
 #define SOF_TKN_BUF_SIZE 100
 #define SOF_TKN_BUF_CAPS 101
+#define SOF_TKN_BUF_FLAGS 102
 #define SOF_TKN_DAI_TYPE 154
 #define SOF_TKN_DAI_INDEX 155
 #define SOF_TKN_DAI_DIRECTION 156
@@ -125,4 +126,6 @@
 #define SOF_TKN_AMD_ACPI2S_RATE 1700
 #define SOF_TKN_AMD_ACPI2S_CH 1701
 #define SOF_TKN_AMD_ACPI2S_TDM_MODE 1702
+#define SOF_TKN_IMX_MICFIL_RATE 2000
+#define SOF_TKN_IMX_MICFIL_CH 2001
 #endif