/*
 * Apple Onboard Audio Alsa helpers
 *
 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
 *
 * GPL v2, can be found in COPYING.
 */
#include <linux/module.h>
#include "alsa.h"

static int index = -1;
module_param(index, int, 0444);
MODULE_PARM_DESC(index, "index for AOA sound card.");

static struct aoa_card *aoa_card;

int aoa_alsa_init(char *name, struct module *mod, struct device *dev)
{
	struct snd_card *alsa_card;
	int err;

	if (aoa_card)
		/* cannot be EEXIST due to usage in aoa_fabric_register */
		return -EBUSY;

	err = snd_card_new(dev, index, name, mod, sizeof(struct aoa_card),
			   &alsa_card);
	if (err < 0)
		return err;
	aoa_card = alsa_card->private_data;
	aoa_card->alsa_card = alsa_card;
	strlcpy(alsa_card->driver, "AppleOnbdAudio", sizeof(alsa_card->driver));
	strlcpy(alsa_card->shortname, name, sizeof(alsa_card->shortname));
	strlcpy(alsa_card->longname, name, sizeof(alsa_card->longname));
	strlcpy(alsa_card->mixername, name, sizeof(alsa_card->mixername));
	err = snd_card_register(aoa_card->alsa_card);
	if (err < 0) {
		printk(KERN_ERR "snd-aoa: couldn't register alsa card\n");
		snd_card_free(aoa_card->alsa_card);
		aoa_card = NULL;
		return err;
	}
	return 0;
}

struct snd_card *aoa_get_card(void)
{
	if (aoa_card)
		return aoa_card->alsa_card;
	return NULL;
}
EXPORT_SYMBOL_GPL(aoa_get_card);

void aoa_alsa_cleanup(void)
{
	if (aoa_card) {
		snd_card_free(aoa_card->alsa_card);
		aoa_card = NULL;
	}
}

int aoa_snd_device_new(enum snd_device_type type,
		       void * device_data, struct snd_device_ops * ops)
{
	struct snd_card *card = aoa_get_card();
	int err;

	if (!card) return -ENOMEM;

	err = snd_device_new(card, type, device_data, ops);
	if (err) {
		printk(KERN_ERR "snd-aoa: failed to create snd device (%d)\n", err);
		return err;
	}
	err = snd_device_register(card, device_data);
	if (err) {
		printk(KERN_ERR "snd-aoa: failed to register "
				"snd device (%d)\n", err);
		printk(KERN_ERR "snd-aoa: have you forgotten the "
				"dev_register callback?\n");
		snd_device_free(card, device_data);
	}
	return err;
}
EXPORT_SYMBOL_GPL(aoa_snd_device_new);

int aoa_snd_ctl_add(struct snd_kcontrol* control)
{
	int err;

	if (!aoa_card) return -ENODEV;

	err = snd_ctl_add(aoa_card->alsa_card, control);
	if (err)
		printk(KERN_ERR "snd-aoa: failed to add alsa control (%d)\n",
		       err);
	return err;
}
EXPORT_SYMBOL_GPL(aoa_snd_ctl_add);
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c325b3533730016ca5cdaf902d62550b4243fe43'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=c325b3533730016ca5cdaf902d62550b4243fe43'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=c325b3533730016ca5cdaf902d62550b4243fe43'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget?id=c325b3533730016ca5cdaf902d62550b4243fe43'>gadget</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc?id=c325b3533730016ca5cdaf902d62550b4243fe43'>udc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/Kconfig?id=c325b3533730016ca5cdaf902d62550b4243fe43'>Kconfig</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c325b3533730016ca5cdaf902d62550b4243fe43'/><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 Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-01 08:34:13 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-01 08:34:13 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/Kconfig?id=c325b3533730016ca5cdaf902d62550b4243fe43'>c325b3533730016ca5cdaf902d62550b4243fe43</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/udc/Kconfig?id=c325b3533730016ca5cdaf902d62550b4243fe43'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c325b3533730016ca5cdaf902d62550b4243fe43'>03d2690d6df1c449b1f8db597d3e574d894e3ddc</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/udc/Kconfig?id=c325b3533730016ca5cdaf902d62550b4243fe43'>drivers/usb/gadget/udc/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/Kconfig?id=a2ca3d617944417e9dd5f09fc8a4549cda115f4f'>a2ca3d617944417e9dd5f09fc8a4549cda115f4f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc/Kconfig?id=c325b3533730016ca5cdaf902d62550b4243fe43&amp;id2=a2ca3d617944417e9dd5f09fc8a4549cda115f4f'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/udc/Kconfig?id=cdca06e4e85974d8a3503ab15709dbbaf90d3dd1'>cdca06e4e85974d8a3503ab15709dbbaf90d3dd1</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/udc/Kconfig?id=c325b3533730016ca5cdaf902d62550b4243fe43&amp;id2=cdca06e4e85974d8a3503ab15709dbbaf90d3dd1'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'pinctrl-v4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl</div><div class='commit-msg'>Pull pin control fixes from Linus Walleij:
 "Another week, another set of pin control fixes. The subsystem has seen
  high patch-spot activity recently.

  The majority of the patches are for Intel, I vaguely think it mostly
  concern phones, tablets and maybe chromebooks and even laptops with
  this Intel Atom family chips.

  Driver fixes only:

   - one fix to the Berlin driver making the SD card work fully again.

   - one fix to the Allwinner/sunxi bias function: one premature change
     needs to be partially reverted.

   - the remaining four patches are to Intel embedded SoCs: baytrail
     (three patches) and merrifield (one patch): register access
     debounce fixes and a missing spinlock"

* tag 'pinctrl-v4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
  pinctrl: baytrail: Debounce register is one per community
  pinctrl: baytrail: Rectify debounce support (part 2)
  pinctrl: intel: merrifield: Add missed check in mrfld_config_set()
  pinctrl: sunxi: Don't enforce bias disable (for now)
  pinctrl: berlin-bg4ct: fix the value for "sd1a" of pin SCRD0_CRD_PRES
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c325b3533730016ca5cdaf902d62550b4243fe43'>Diffstat</a> (limited to 'drivers/usb/gadget/udc/Kconfig')</div><table summary='diffstat' class='diffstat'>