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author | Takashi Iwai <tiwai@suse.de> | 2016-03-15 15:51:13 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2016-03-15 16:11:53 +0100 |
commit | d213a4adb1bc2a8193dd28cc718bf3071dafd7ab (patch) | |
tree | 92e1ebf86c5185d8414e7c54a2f8d7a0194a18c1 | |
parent | 404b2e2456d18b0d0573d61e9a921be742bb9216 (diff) | |
download | hda-emu-d213a4adb1bc2a8193dd28cc718bf3071dafd7ab.tar.gz |
Add pm_runtime_get_if_in_use() wrapper
Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r-- | include/linux/pm_runtime.h | 1 | ||||
-rw-r--r-- | snd-wrapper.c | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 4cbc2d1..c3ec139 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -17,6 +17,7 @@ static inline void pm_runtime_get_noresume(struct device *dev) { dev->pmcnt++; } static inline void pm_runtime_put_noidle(struct device *dev) { dev->pmcnt--; } int pm_runtime_get_sync(struct device *dev); +int pm_runtime_get_if_in_use(struct device *dev); int pm_runtime_put_autosuspend(struct device *dev); int pm_runtime_force_suspend(struct device *dev); int pm_runtime_force_resume(struct device *dev); diff --git a/snd-wrapper.c b/snd-wrapper.c index c090a20..6644742 100644 --- a/snd-wrapper.c +++ b/snd-wrapper.c @@ -850,6 +850,15 @@ int pm_runtime_get_sync(struct device *dev) return 0; } +int pm_runtime_get_if_in_use(struct device *dev) +{ + if (dev->pmcnt > 0) { + dev->pmcnt++; + return 1; + } + return 0; +} + static void check_suspend(struct device *dev) { if (!dev->pmcnt && !dev->pmsuspended && dev->pmallow) { |