74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
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/*
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* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
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*
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* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
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* the the people's Republic of China and other countries.
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* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
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*
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* DISCLAIMER
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* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
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* IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
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* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
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* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
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* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __AW_ALSA_CONTROL_H
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#define __AW_ALSA_CONTROL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sound/ksound.h>
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typedef int snd_ctl_elem_type_t;
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#define SND_CTL_ELEM_TYPE_INTEGER ((snd_ctl_elem_type_t)0)
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#define SND_CTL_ELEM_TYPE_ENUMERATED ((snd_ctl_elem_type_t)1)
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#define SND_CTL_ELEM_TYPE_LAST SND_CTL_ELEM_TYPE_ENUMERATED
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/* can't modify this struct */
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typedef struct {
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unsigned int id;
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snd_ctl_elem_type_t type;
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const unsigned char *name;
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unsigned long value;
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int min,max;
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int count;
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/* for enum */
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unsigned int items;
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const char * const *texts;
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const unsigned long *private_data;
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} snd_ctl_info_t;
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int snd_ctl_num(const char *name);
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int snd_ctl_get(const char *name, const char *elem, snd_ctl_info_t *info);
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int snd_ctl_get_bynum(const char *name, const unsigned int elem_num, snd_ctl_info_t *info);
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int snd_ctl_set(const char *name, const char *elem, unsigned int val);
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int snd_ctl_set_bynum(const char *name, const unsigned int elem_num, unsigned int val);
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int snd_ctl_add(const char *name, snd_ctl_info_t *info);
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int snd_ctl_remove(const char *name, const unsigned int elem_num);
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#define snd_ctl_set_multi_args ksnd_ctl_set_multi_args
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#ifdef __cplusplus
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}
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#endif
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#endif /* __AW_ALSA_CONTROL_H */
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