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authorTakashi Iwai <tiwai@suse.de>2017-02-05 08:58:46 +0100
committerTakashi Iwai <tiwai@suse.de>2017-02-05 08:58:46 +0100
commit1cf05ba2cafa079a943c2cbae51b2f2c2e247466 (patch)
tree75938e8223376d08d30ec271f125d59892272480 /include/sound/pcm.h
parentb556290f9a8386ff6afeec12cae29fbab77321a3 (diff)
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: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r--include/sound/pcm.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index af1fb37c6b26..361749e60799 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -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,