Files
SDK_SG200x_V2/linux_5.10/sound/soc/qcom/qdsp6/q6dsp-common.c
carbon 0545e9dc6d init version 2024-05-07
commit d1edce71135cc6d98c0a4b5729774542b676e769
Author: sophgo-forum-service <forum_service@sophgo.com>
Date:   Fri Mar 15 16:07:33 2024 +0800

    [fix] recommend using ssh method to clone repo.
    [fix] fix sensor driver repo branch name.
2024-05-07 19:36:36 +08:00

67 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
// Copyright (c) 2018, Linaro Limited
#include "q6dsp-common.h"
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/errno.h>
int q6dsp_map_channels(u8 ch_map[PCM_MAX_NUM_CHANNEL], int ch)
{
memset(ch_map, 0, PCM_MAX_NUM_CHANNEL);
switch (ch) {
case 1:
ch_map[0] = PCM_CHANNEL_FC;
break;
case 2:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
break;
case 3:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_FC;
break;
case 4:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LS;
ch_map[3] = PCM_CHANNEL_RS;
break;
case 5:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_FC;
ch_map[3] = PCM_CHANNEL_LS;
ch_map[4] = PCM_CHANNEL_RS;
break;
case 6:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LFE;
ch_map[3] = PCM_CHANNEL_FC;
ch_map[4] = PCM_CHANNEL_LS;
ch_map[5] = PCM_CHANNEL_RS;
break;
case 8:
ch_map[0] = PCM_CHANNEL_FL;
ch_map[1] = PCM_CHANNEL_FR;
ch_map[2] = PCM_CHANNEL_LFE;
ch_map[3] = PCM_CHANNEL_FC;
ch_map[4] = PCM_CHANNEL_LS;
ch_map[5] = PCM_CHANNEL_RS;
ch_map[6] = PCM_CHANNEL_LB;
ch_map[7] = PCM_CHANNEL_RB;
break;
default:
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL_GPL(q6dsp_map_channels);
MODULE_LICENSE("GPL v2");