Commit 1cf05ba2 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: pcm: Define dummy snd_pcm_suspend() for CONFIG_PM=n 



... so that the driver can avoid ifdef's for the dead PM callbacks.
The compiler should optimize them out in anyway.

Reported-by: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent b556290f

include/sound/pcm.h

+9 −0
Original line number Diff line number Diff line
@@ -570,6 +570,15 @@ int snd_pcm_stop_xrun(struct snd_pcm_substream *substream); 
#ifdef CONFIG_PM

int snd_pcm_suspend(struct snd_pcm_substream *substream);

int snd_pcm_suspend_all(struct snd_pcm *pcm);

#else

static inline int snd_pcm_suspend(struct snd_pcm_substream *substream)

{

	return 0;

}

static inline int snd_pcm_suspend_all(struct snd_pcm *pcm)

{

	return 0;

}

#endif

int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg);

int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct file *file,