57 lines
No EOL
1.7 KiB
C
57 lines
No EOL
1.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2013 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "power.h"
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#include "tuner.h"
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#include "fmradio_i2c.h"
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#include "pinctrl-imx233.h"
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#include "power-imx233.h"
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static bool tuner_enable = false;
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static bool initialised = false;
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static void init(void)
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{
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/* CE is B2P15 (active high) */
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imx233_pinctrl_acquire(2, 15, "tuner power");
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imx233_pinctrl_set_function(2, 15, PINCTRL_FUNCTION_GPIO);
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imx233_pinctrl_enable_gpio(2, 15, true);
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initialised = true;
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}
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bool tuner_power(bool enable)
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{
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if(!initialised)
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init();
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if(tuner_enable != enable)
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{
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imx233_pinctrl_set_gpio(2, 15, enable);
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sleep(HZ / 5);
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tuner_enable = enable;
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}
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return tuner_enable;
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}
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bool tuner_powered(void)
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{
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return tuner_enable;
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} |