| /* |
| * 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; |
| } |