/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2011 by Amaury Pouly * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "system.h" #include "power.h" #include "tuner.h" #include "fmradio_i2c.h" #include "pinctrl-imx233.h" #include "power-imx233.h" static bool tuner_enable = false; bool tuner_power(bool enable) { if(enable != tuner_enable) { /* CE is B029 (active high) */ imx233_pinctrl_acquire_pin(0, 29, "tuner power"); imx233_set_pin_function(0, 29, PINCTRL_FUNCTION_GPIO); imx233_set_pin_drive_strength(0, 29, PINCTRL_DRIVE_4mA); imx233_enable_gpio_output(0, 29, enable); imx233_set_gpio_output(0, 29, enable); tuner_enable = enable; /* give time to power up */ udelay(5); //imx233_power_set_dcdc_freq(enable, HW_POWER_MISC__FREQSEL__24MHz); } return tuner_enable; } bool tuner_powered(void) { return tuner_enable; }