Add support alsa source

pkg/alsa/device/ioctl_linux.go

@@ -0,0 +1,26 @@
+package device
+
+import (
+	"bytes"
+	"reflect"
+	"syscall"
+)
+
+func ioctl(fd, req uintptr, arg any) error {
+	var ptr uintptr
+	if arg != nil {
+		ptr = reflect.ValueOf(arg).Pointer()
+	}
+	_, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, req, ptr)
+	if err != 0 {
+		return err
+	}
+	return nil
+}
+
+func str(b []byte) string {
+	if i := bytes.IndexByte(b, 0); i >= 0 {
+		return string(b[:i])
+	}
+	return string(b)
+}