/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2009 Samsung Electronics Co. Ltd * Author: Jaswinder Singh <[email protected]> */ /* The machine init code calls s3c*_ac97_setup_gpio with * one of these defines in order to select appropriate bank * of GPIO for AC97 pins */ #define S3C64XX_AC97_GPD … #define S3C64XX_AC97_GPE … #include <linux/dmaengine.h> extern void s3c64xx_ac97_setup_gpio(int); struct samsung_i2s_type { … }; /** * struct s3c_audio_pdata - common platform data for audio device drivers * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode */ struct s3c_audio_pdata { … };