Merge "Add audio HAL based on tinyALSA" into mnc-brillo-dev

1 files changed, 52 insertions, 0 deletions

diff --git a/peripheral/alsa/control.h b/peripheral/alsa/control.h
new file mode 100755
index 0000000..916f06a
--- /dev/null
+++ b/peripheral/alsa/control.h
@@ -0,0 +1,52 @@
+/*
+** Copyright 2015, The Android Open Source Project
+** Copyright (C) 2015 Freescale Semiconductor, Inc.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+**     * Redistributions of source code must retain the above copyright
+**       notice, this list of conditions and the following disclaimer.
+**     * Redistributions in binary form must reproduce the above copyright
+**       notice, this list of conditions and the following disclaimer in the
+**       documentation and/or other materials provided with the distribution.
+**     * Neither the name of The Android Open Source Project nor the names of
+**       its contributors may be used to endorse or promote products derived
+**       from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
+** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+** DAMAGE.
+*/
+
+#ifndef _CONTROL_H
+#define _CONTROL_H
+
+struct ctl_pcm_info {
+    struct snd_pcm_info      *info;
+    struct ctl_pcm_info      *next;
+};
+
+struct control {
+    int fd;
+    struct snd_ctl_card_info *card_info;
+    struct ctl_pcm_info      *pcm_info_p;
+    unsigned int count_p;
+    struct ctl_pcm_info      *pcm_info_c;
+    unsigned int count_c;
+};
+
+struct control *control_open(unsigned int card);
+void control_close(struct control *control);
+const char *control_card_info_get_id(struct control *control);
+const char *control_card_info_get_driver(struct control *control);
+const char *control_card_info_get_name(struct control *control);
+
+#endif //_CONTROL_H