4c25b93223
For the WM8776 chip, this driver uses a different sample format and more features than the Windows driver. When rebooting from Linux into Windows, the latter driver does not reset the chip but assumes all its registers have their default settings, so we get garbled sound or, if the output happened to be muted before rebooting, no sound. To make that driver happy, hook our driver's cleanup function into the shutdown notifier and ensure that the chip gets reset. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Reported-and-tested-by: Nathan Schagen Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
112 lines
3 KiB
C
112 lines
3 KiB
C
/*
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* C-Media CMI8788 driver for Asus Xonar cards
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*
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* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
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*
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*
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* This driver is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2.
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*
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* This driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this driver; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/pcm.h>
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#include "xonar.h"
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MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
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MODULE_DESCRIPTION("Asus AVx00 driver");
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MODULE_LICENSE("GPL v2");
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MODULE_SUPPORTED_DEVICE("{{Asus,AV100},{Asus,AV200}}");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "card index");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "enable card");
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static DEFINE_PCI_DEVICE_TABLE(xonar_ids) = {
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{ OXYGEN_PCI_SUBID(0x1043, 0x8269) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x8275) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x82b7) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x8314) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x8327) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x834f) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x835c) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x835d) },
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{ OXYGEN_PCI_SUBID(0x1043, 0x838e) },
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{ OXYGEN_PCI_SUBID_BROKEN_EEPROM },
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{ }
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};
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MODULE_DEVICE_TABLE(pci, xonar_ids);
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static int __devinit get_xonar_model(struct oxygen *chip,
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const struct pci_device_id *id)
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{
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if (get_xonar_pcm179x_model(chip, id) >= 0)
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return 0;
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if (get_xonar_cs43xx_model(chip, id) >= 0)
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return 0;
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if (get_xonar_wm87x6_model(chip, id) >= 0)
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return 0;
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return -EINVAL;
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}
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static int __devinit xonar_probe(struct pci_dev *pci,
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const struct pci_device_id *pci_id)
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{
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static int dev;
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int err;
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if (dev >= SNDRV_CARDS)
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return -ENODEV;
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if (!enable[dev]) {
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++dev;
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return -ENOENT;
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}
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err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
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xonar_ids, get_xonar_model);
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if (err >= 0)
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++dev;
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return err;
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}
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static struct pci_driver xonar_driver = {
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.name = "AV200",
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.id_table = xonar_ids,
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.probe = xonar_probe,
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.remove = __devexit_p(oxygen_pci_remove),
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#ifdef CONFIG_PM
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.suspend = oxygen_pci_suspend,
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.resume = oxygen_pci_resume,
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#endif
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.shutdown = oxygen_pci_shutdown,
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};
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static int __init alsa_card_xonar_init(void)
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{
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return pci_register_driver(&xonar_driver);
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}
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static void __exit alsa_card_xonar_exit(void)
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{
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pci_unregister_driver(&xonar_driver);
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}
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module_init(alsa_card_xonar_init)
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module_exit(alsa_card_xonar_exit)
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