/* * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include "tfa_dsp_fw.h" #include "tfa_service.h" #include "tfa_internal.h" #include "tfa98xx_tfafieldnames.h" static enum Tfa98xx_Error tfa9887_specific(Tfa98xx_handle_t handle) { enum Tfa98xx_Error error = Tfa98xx_Error_Ok; int result; if (!tfa98xx_handle_is_open(handle)) return Tfa98xx_Error_NotOpen; /* all i2C registers are already set to default */ result = TFA_SET_BF(handle, AMPE, 1); if (result < 0) return -result; /* some other registers must be set for optimal amplifier behaviour */ tfa98xx_write_register16(handle, 0x05, 0x13AB); tfa98xx_write_register16(handle, 0x06, 0x001F); tfa98xx_write_register16(handle, 0x08, 0x3C4E); /*TFA98XX_SYSCTRL_DCA=0*/ tfa98xx_write_register16(handle, 0x09, 0x024D); tfa98xx_write_register16(handle, 0x0A, 0x3EC3); tfa98xx_write_register16(handle, 0x41, 0x0308); error = tfa98xx_write_register16(handle, 0x49, 0x0E82); return error; } /* * register device specifics functions */ void tfa9887_ops(struct tfa_device_ops *ops) { ops->tfa_init = tfa9887_specific; }