diff options
| -rw-r--r-- | sound/usb/usbaudio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index c52461d4a04..c6d628a3127 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2077,8 +2077,14 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, static int usb_audio_probe(struct usb_interface *intf, const struct usb_device_id *id); static void usb_audio_disconnect(struct usb_interface *intf); + +#ifdef CONFIG_PM static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message); static int usb_audio_resume(struct usb_interface *intf); +#else +#define usb_audio_suspend NULL +#define usb_audio_resume NULL +#endif static struct usb_device_id usb_audio_ids [] = { #include "usbquirks.h" @@ -3658,6 +3664,7 @@ static void usb_audio_disconnect(struct usb_interface *intf) dev_get_drvdata(&intf->dev)); } +#ifdef CONFIG_PM static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) { struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev); @@ -3695,6 +3702,7 @@ static int usb_audio_resume(struct usb_interface *intf) return 0; } +#endif /* CONFIG_PM */ static int __init snd_usb_audio_init(void) { |