/*
 * ADAU1977/ADAU1978/ADAU1979 driver
 *
 * Copyright 2014 Analog Devices Inc.
 *  Author: Lars-Peter Clausen <lars@metafoo.de>
 *
 * Licensed under the GPL-2.
 */

#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <sound/soc.h>

#include "adau1977.h"

static void adau1977_spi_switch_mode(struct device *dev)
{
	struct spi_device *spi = to_spi_device(dev);

	/*
	 * To get the device into SPI mode CLATCH has to be pulled low three
	 * times.  Do this by issuing three dummy reads.
	 */
	spi_w8r8(spi, 0x00);
	spi_w8r8(spi, 0x00);
	spi_w8r8(spi, 0x00);
}

static int adau1977_spi_probe(struct spi_device *spi)
{
	const struct spi_device_id *id = spi_get_device_id(spi);
	struct regmap_config config;

	if (!id)
		return -EINVAL;

	config = adau1977_regmap_config;
	config.val_bits = 8;
	config.reg_bits = 16;
	config.read_flag_mask = 0x1;

	return adau1977_probe(&spi->dev,
		devm_regmap_init_spi(spi, &config),
		id->driver_data, adau1977_spi_switch_mode);
}

static int adau1977_spi_remove(struct spi_device *spi)
{
	snd_soc_unregister_codec(&spi->dev);
	return 0;
}

static const struct spi_device_id adau1977_spi_ids[] = {
	{ "adau1977", ADAU1977 },
	{ "adau1978", ADAU1978 },
	{ "adau1979", ADAU1978 },
	{ }
};
MODULE_DEVICE_TABLE(spi, adau1977_spi_ids);

static struct spi_driver adau1977_spi_driver = {
	.driver = {
		.name = "adau1977",
	},
	.probe = adau1977_spi_probe,
	.remove = adau1977_spi_remove,
	.id_table = adau1977_spi_ids,
};
module_spi_driver(adau1977_spi_driver);

MODULE_DESCRIPTION("ASoC ADAU1977/ADAU1978/ADAU1979 driver");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_LICENSE("GPL");
95070e9aa015abb9b92cccfbb1e43954e938133'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/include/xen/page.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/xen/page.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>xen</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>page.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='295070e9aa015abb9b92cccfbb1e43954e938133'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Walleij &lt;linus.walleij@linaro.org&gt;</td><td class='right'>2016-11-12 15:22:38 +0100</td></tr>
<tr><th>committer</th><td>Mark Brown &lt;broonie@kernel.org&gt;</td><td class='right'>2016-11-13 09:22:37 +0000</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>295070e9aa015abb9b92cccfbb1e43954e938133</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/xen/page.h?id=295070e9aa015abb9b92cccfbb1e43954e938133'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>d0a08e7ce280bc877e22424437dbe59fa1857d9a</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>include/xen/page.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/xen/page.h?h=nds-private-remove&amp;id=1001354ca34179f3db924eb66672442a173147dc'>1001354ca34179f3db924eb66672442a173147dc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/xen/page.h?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133&amp;id2=1001354ca34179f3db924eb66672442a173147dc'>diff</a>)</td></tr></table>
<div class='commit-subject'>regulator: stw481x-vmmc: fix ages old enable error</div><div class='commit-msg'>The regulator has never been properly enabled, it has been
dormant all the time. It's strange that MMC was working
at all, but it likely worked by the signals going through
the levelshifter and reaching the card anyways.

Fixes: 3615a34ea1a6 ("regulator: add STw481x VMMC driver")
Signed-off-by: Linus Walleij &lt;linus.walleij@linaro.org&gt;
Signed-off-by: Mark Brown &lt;broonie@kernel.org&gt;
Cc: stable@vger.kernel.org
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=295070e9aa015abb9b92cccfbb1e43954e938133'>Diffstat</a> (limited to 'include/xen/page.h')</div><table summary='diffstat' class='diffstat'>