26 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2 3#ifndef __Q6DSP_COMMON_H__4#define __Q6DSP_COMMON_H__5 6#include <linux/kernel.h>7 8#define PCM_MAX_NUM_CHANNEL 89#define PCM_CHANNEL_NULL 010 11#define PCM_CHANNEL_FL 1 /* Front left channel. */12#define PCM_CHANNEL_FR 2 /* Front right channel. */13#define PCM_CHANNEL_FC 3 /* Front center channel. */14#define PCM_CHANNEL_LS 4 /* Left surround channel. */15#define PCM_CHANNEL_RS 5 /* Right surround channel. */16#define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */17#define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center ch */18#define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */19#define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */20#define PCM_CHANNELS 10 /* Top surround channel. */21 22int q6dsp_map_channels(u8 ch_map[PCM_MAX_NUM_CHANNEL], int ch);23int q6dsp_get_channel_allocation(int channels);24 25#endif /* __Q6DSP_COMMON_H__ */26