diff --git a/libc/kernel/common/linux/cpcap_audio.h b/libc/kernel/common/linux/cpcap_audio.h
new file mode 100644
index 000000000..33d843921
--- /dev/null
+++ b/libc/kernel/common/linux/cpcap_audio.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _CPCAP_AUDIO_H
+#define _CPCAP_AUDIO_H
+
+#include <linux/ioctl.h>
+
+#define CPCAP_AUDIO_MAGIC 'c'
+
+#define CPCAP_AUDIO_OUT_SPEAKER 0
+#define CPCAP_AUDIO_OUT_HEADSET 1
+#define CPCAP_AUDIO_OUT_MAX 1
+
+struct cpcap_audio_output {
+ int id;
+ int on;
+};
+
+#define CPCAP_AUDIO_OUT_SET_OUTPUT _IOW(CPCAP_AUDIO_MAGIC, 0,   struct cpcap_audio_output *)
+
+#define CPCAP_AUDIO_OUT_VOL_MIN 0
+#define CPCAP_AUDIO_OUT_VOL_MAX 15
+
+#define CPCAP_AUDIO_OUT_SET_VOLUME _IOW(CPCAP_AUDIO_MAGIC, 1, unsigned int)
+
+#define CPCAP_AUDIO_OUT_GET_OUTPUT   _IOR(CPCAP_AUDIO_MAGIC, 2, unsigned int *)
+#define CPCAP_AUDIO_OUT_GET_VOLUME   _IOR(CPCAP_AUDIO_MAGIC, 3, unsigned int *)
+
+#define CPCAP_AUDIO_IN_MIC1 0
+#define CPCAP_AUDIO_IN_MIC2 1
+#define CPCAP_AUDIO_IN_MAX 1
+
+#define CPCAP_AUDIO_IN_SET_INPUT _IOW(CPCAP_AUDIO_MAGIC, 4, unsigned int)
+
+#define CPCAP_AUDIO_IN_GET_INPUT _IOR(CPCAP_AUDIO_MAGIC, 5, unsigned int *)
+
+#define CPCAP_AUDIO_IN_VOL_MIN 0
+#define CPCAP_AUDIO_IN_VOL_MAX 31
+
+#define CPCAP_AUDIO_IN_SET_VOLUME _IOW(CPCAP_AUDIO_MAGIC, 6, unsigned int)
+
+#define CPCAP_AUDIO_IN_GET_VOLUME _IOR(CPCAP_AUDIO_MAGIC, 7, unsigned int *)
+
+#endif
+
diff --git a/libc/kernel/common/linux/tegra_audio.h b/libc/kernel/common/linux/tegra_audio.h
new file mode 100644
index 000000000..302e1392a
--- /dev/null
+++ b/libc/kernel/common/linux/tegra_audio.h
@@ -0,0 +1,55 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _TEGRA_AUDIO_H
+#define _TEGRA_AUDIO_H
+
+#include <linux/ioctl.h>
+
+#define TEGRA_AUDIO_MAGIC 't'
+
+#define TEGRA_AUDIO_IN_START _IO(TEGRA_AUDIO_MAGIC, 0)
+#define TEGRA_AUDIO_IN_STOP _IO(TEGRA_AUDIO_MAGIC, 1)
+
+struct tegra_audio_in_config {
+ int rate;
+ int stereo;
+};
+
+#define TEGRA_AUDIO_IN_SET_CONFIG _IOW(TEGRA_AUDIO_MAGIC, 2,   const struct tegra_audio_in_config *)
+#define TEGRA_AUDIO_IN_GET_CONFIG _IOR(TEGRA_AUDIO_MAGIC, 3,   struct tegra_audio_in_config *)
+
+struct tegra_audio_buf_config {
+ unsigned size;
+ unsigned threshold;
+ unsigned chunk;
+};
+
+#define TEGRA_AUDIO_IN_SET_BUF_CONFIG _IOW(TEGRA_AUDIO_MAGIC, 4,   const struct tegra_audio_buf_config *)
+#define TEGRA_AUDIO_IN_GET_BUF_CONFIG _IOR(TEGRA_AUDIO_MAGIC, 5,   struct tegra_audio_buf_config *)
+
+#define TEGRA_AUDIO_OUT_SET_BUF_CONFIG _IOW(TEGRA_AUDIO_MAGIC, 6,   const struct tegra_audio_buf_config *)
+#define TEGRA_AUDIO_OUT_GET_BUF_CONFIG _IOR(TEGRA_AUDIO_MAGIC, 7,   struct tegra_audio_buf_config *)
+
+#define TEGRA_AUDIO_IN_GET_ERROR_COUNT _IOR(TEGRA_AUDIO_MAGIC, 8,   unsigned *)
+
+#define TEGRA_AUDIO_OUT_GET_ERROR_COUNT _IOR(TEGRA_AUDIO_MAGIC, 9,   unsigned *)
+
+struct tegra_audio_out_preload {
+ void *data;
+ size_t len;
+ size_t len_written;
+};
+
+#define TEGRA_AUDIO_OUT_PRELOAD_FIFO _IOWR(TEGRA_AUDIO_MAGIC, 10,   struct tegra_audio_out_preload *)
+
+#endif
+