diff options
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/Kconfig | 4 | ||||
| -rw-r--r-- | sound/core/control.c | 44 | ||||
| -rw-r--r-- | sound/core/init.c | 205 | ||||
| -rw-r--r-- | sound/core/sound.c | 22 |
4 files changed, 3 insertions, 272 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 8271883..b46efff 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -133,7 +133,3 @@ config SND_DEBUG_DETECT help Say Y here to enable extra-verbose log messages printed when detecting devices. - -config SND_GENERIC_DRIVER - bool - depends on SND diff --git a/sound/core/control.c b/sound/core/control.c index 1a14338..03ae9bb 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1023,36 +1023,6 @@ static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr) return 0; } -#ifdef CONFIG_PM -/* - * change the power state - */ -static int snd_ctl_set_power_state(struct snd_card *card, unsigned int power_state) -{ - switch (power_state) { - case SNDRV_CTL_POWER_D0: - if (card->power_state != power_state) { - card->pm_resume(card); - snd_power_change_state(card, power_state); - } - break; - case SNDRV_CTL_POWER_D3hot: - if (card->power_state != power_state) { - card->pm_suspend(card, PMSG_SUSPEND); - snd_power_change_state(card, power_state); - } - break; - case SNDRV_CTL_POWER_D1: - case SNDRV_CTL_POWER_D2: - case SNDRV_CTL_POWER_D3cold: - /* not supported yet */ - default: - return -EINVAL; - } - return 0; -} -#endif - static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct snd_ctl_file *ctl; @@ -1092,19 +1062,7 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg case SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS: return snd_ctl_subscribe_events(ctl, ip); case SNDRV_CTL_IOCTL_POWER: - if (get_user(err, ip)) - return -EFAULT; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; -#ifdef CONFIG_PM - if (card->pm_suspend && card->pm_resume) { - snd_power_lock(card); - err = snd_ctl_set_power_state(card, err); - snd_power_unlock(card); - } else -#endif - err = -ENOPROTOOPT; - return err; + return -ENOPROTOOPT; case SNDRV_CTL_IOCTL_POWER_STATE: #ifdef CONFIG_PM return put_user(card->power_state, ip) ? -EFAULT : 0; diff --git a/sound/core/init.c b/sound/core/init.c index dca64d1..728bb2c 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -28,7 +28,6 @@ #include <linux/ctype.h> #include <linux/pci.h> #include <linux/pm.h> -#include <linux/platform_device.h> #include <sound/core.h> #include <sound/control.h> @@ -229,12 +228,6 @@ int snd_card_disconnect(struct snd_card *card) return 0; } -#ifdef CONFIG_SND_GENERIC_DRIVER -static void snd_generic_device_unregister(struct snd_card *card); -#else -#define snd_generic_device_unregister(x) /*NOP*/ -#endif - /** * snd_card_free - frees given soundcard structure * @card: soundcard structure @@ -286,7 +279,6 @@ int snd_card_free(struct snd_card *card) snd_printk(KERN_WARNING "unable to free card info\n"); /* Not fatal error */ } - snd_generic_device_unregister(card); while (card->s_f_ops) { s_f_ops = card->s_f_ops; card->s_f_ops = s_f_ops->next; @@ -459,7 +451,8 @@ int snd_card_register(struct snd_card *card) static struct snd_info_entry *snd_card_info_entry = NULL; -static void snd_card_info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) +static void snd_card_info_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) { int idx, count; struct snd_card *card; @@ -666,97 +659,6 @@ int snd_card_file_remove(struct snd_card *card, struct file *file) return 0; } -#ifdef CONFIG_SND_GENERIC_DRIVER -/* - * generic device without a proper bus using platform_device - * (e.g. ISA) - */ -struct snd_generic_device { - struct platform_device pdev; - struct snd_card *card; -}; - -#define get_snd_generic_card(dev) container_of(dev, struct snd_generic_device, pdev)->card - -#define SND_GENERIC_NAME "snd_generic" - -#ifdef CONFIG_PM -static int snd_generic_suspend(struct platform_device *dev, pm_message_t state); -static int snd_generic_resume(struct platform_device *dev); -#endif - -/* initialized in sound.c */ -struct platform_driver snd_generic_driver = { -#ifdef CONFIG_PM - .suspend = snd_generic_suspend, - .resume = snd_generic_resume, -#endif - .driver = { - .name = SND_GENERIC_NAME, - }, -}; - -void snd_generic_device_release(struct device *dev) -{ -} - -static int snd_generic_device_register(struct snd_card *card) -{ - struct snd_generic_device *dev; - int err; - - if (card->generic_dev) - return 0; /* already registered */ - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (! dev) { - snd_printk(KERN_ERR "can't allocate generic_device\n"); - return -ENOMEM; - } - - dev->pdev.name = SND_GENERIC_NAME; - dev->pdev.id = card->number; - dev->pdev.dev.release = snd_generic_device_release; - dev->card = card; - if ((err = platform_device_register(&dev->pdev)) < 0) { - kfree(dev); - return err; - } - card->generic_dev = dev; - return 0; -} - -static void snd_generic_device_unregister(struct snd_card *card) -{ - struct snd_generic_device *dev = card->generic_dev; - if (dev) { - platform_device_unregister(&dev->pdev); - kfree(dev); - card->generic_dev = NULL; - } -} - -/** - * snd_card_set_generic_dev - assign the generic device to the card - * @card: soundcard structure - * - * Assigns a generic device to the card. This function is provided as the - * last resort, for devices without any proper bus. Thus this won't override - * the device already assigned to the card. - * - * Returns zero if successful, or a negative error code. - */ -int snd_card_set_generic_dev(struct snd_card *card) -{ - int err; - if ((err = snd_generic_device_register(card)) < 0) - return err; - if (! card->dev) - snd_card_set_dev(card, &card->generic_dev->pdev.dev); - return 0; -} -#endif /* CONFIG_SND_GENERIC_DRIVER */ - #ifdef CONFIG_PM /** * snd_power_wait - wait until the power-state is changed. @@ -800,107 +702,4 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file return result; } -/** - * snd_card_set_pm_callback - set the PCI power-management callbacks - * @card: soundcard structure - * @suspend: suspend callback function - * @resume: resume callback function - * @private_data: private data to pass to the callback functions - * - * Sets the power-management callback functions of the card. - * These callbacks are called from ALSA's common PCI suspend/resume - * handler and from the control API. - */ -int snd_card_set_pm_callback(struct snd_card *card, - int (*suspend)(struct snd_card *, pm_message_t), - int (*resume)(struct snd_card *), - void *private_data) -{ - card->pm_suspend = suspend; - card->pm_resume = resume; - card->pm_private_data = private_data; - return 0; -} - -#ifdef CONFIG_SND_GENERIC_DRIVER -/* suspend/resume callbacks for snd_generic platform device */ -static int snd_generic_suspend(struct platform_device *dev, pm_message_t state) -{ - struct snd_card *card; - - card = get_snd_generic_card(dev); - if (card->power_state == SNDRV_CTL_POWER_D3hot) - return 0; - if (card->pm_suspend) - card->pm_suspend(card, PMSG_SUSPEND); - snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - return 0; -} - -static int snd_generic_resume(struct platform_device *dev) -{ - struct snd_card *card; - - card = get_snd_generic_card(dev); - if (card->power_state == SNDRV_CTL_POWER_D0) - return 0; - if (card->pm_resume) - card->pm_resume(card); - snd_power_change_state(card, SNDRV_CTL_POWER_D0); - return 0; -} - -/** - * snd_card_set_generic_pm_callback - set the generic power-management callbacks - * @card: soundcard structure - * @suspend: suspend callback function - * @resume: resume callback function - * @private_data: private data to pass to the callback functions - * - * Registers the power-management and sets the lowlevel callbacks for - * the given card. These callbacks are called from the ALSA's common - * PM handler and from the control API. - */ -int snd_card_set_generic_pm_callback(struct snd_card *card, - int (*suspend)(struct snd_card *, pm_message_t), - int (*resume)(struct snd_card *), - void *private_data) -{ - int err; - if ((err = snd_generic_device_register(card)) < 0) - return err; - return snd_card_set_pm_callback(card, suspend, resume, private_data); -} -#endif /* CONFIG_SND_GENERIC_DRIVER */ - -#ifdef CONFIG_PCI -int snd_card_pci_suspend(struct pci_dev *dev, pm_message_t state) -{ - struct snd_card *card = pci_get_drvdata(dev); - int err; - if (! card || ! card->pm_suspend) - return 0; - if (card->power_state == SNDRV_CTL_POWER_D3hot) - return 0; - err = card->pm_suspend(card, PMSG_SUSPEND); - pci_save_state(dev); - snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - return err; -} - -int snd_card_pci_resume(struct pci_dev *dev) -{ - struct snd_card *card = pci_get_drvdata(dev); - if (! card || ! card->pm_resume) - return 0; - if (card->power_state == SNDRV_CTL_POWER_D0) - return 0; - /* restore the PCI config space */ - pci_restore_state(dev); - card->pm_resume(card); - snd_power_change_state(card, SNDRV_CTL_POWER_D0); - return 0; -} -#endif - #endif /* CONFIG_PM */ diff --git a/sound/core/sound.c b/sound/core/sound.c index 04de008..fb236a6 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -32,7 +32,6 @@ #include <sound/initval.h> #include <linux/kmod.h> #include <linux/devfs_fs_kernel.h> -#include <linux/platform_device.h> #define SNDRV_OS_MINORS 256 @@ -328,10 +327,6 @@ int __exit snd_minor_info_done(void) * INIT PART */ -#ifdef CONFIG_SND_GENERIC_DRIVER -extern struct platform_driver snd_generic_driver; -#endif - static int __init alsa_sound_init(void) { short controlnum; @@ -356,9 +351,6 @@ static int __init alsa_sound_init(void) return -ENOMEM; } snd_info_minor_register(); -#ifdef CONFIG_SND_GENERIC_DRIVER - platform_driver_register(&snd_generic_driver); -#endif for (controlnum = 0; controlnum < cards_limit; controlnum++) devfs_mk_cdev(MKDEV(major, controlnum<<5), S_IFCHR | device_mode, "snd/controlC%d", controlnum); #ifndef MODULE @@ -374,9 +366,6 @@ static void __exit alsa_sound_exit(void) for (controlnum = 0; controlnum < cards_limit; controlnum++) devfs_remove("snd/controlC%d", controlnum); -#ifdef CONFIG_SND_GENERIC_DRIVER - platform_driver_unregister(&snd_generic_driver); -#endif snd_info_minor_unregister(); snd_info_done(); if (unregister_chrdev(major, "alsa") != 0) @@ -415,19 +404,8 @@ EXPORT_SYMBOL(snd_card_register); EXPORT_SYMBOL(snd_component_add); EXPORT_SYMBOL(snd_card_file_add); EXPORT_SYMBOL(snd_card_file_remove); -#ifdef CONFIG_SND_GENERIC_DRIVER -EXPORT_SYMBOL(snd_card_set_generic_dev); -#endif #ifdef CONFIG_PM EXPORT_SYMBOL(snd_power_wait); -EXPORT_SYMBOL(snd_card_set_pm_callback); -#ifdef CONFIG_SND_GENERIC_DRIVER -EXPORT_SYMBOL(snd_card_set_generic_pm_callback); -#endif -#ifdef CONFIG_PCI -EXPORT_SYMBOL(snd_card_pci_suspend); -EXPORT_SYMBOL(snd_card_pci_resume); -#endif #endif /* device.c */ EXPORT_SYMBOL(snd_device_new); |