From: Lukas Wunner Date: Thu, 29 Mar 2018 19:35:54 +0000 (+0200) Subject: ALSA: hda - Silence PM ops build warning X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8cd1b5bd70cccda6854088825e725a513ec919c6;p=openwrt%2Fstaging%2Fblogic.git ALSA: hda - Silence PM ops build warning The system sleep PM ops azx_suspend() and azx_resume() were previously called by vga_switcheroo, but commit 07f4f97d7b4b ("vga_switcheroo: Use device link for HDA controller") removed their invocation. Unfortunately the commit neglected to update the #ifdef surrounding the two functions, so if CONFIG_PM_SLEEP is *not* enabled but all three of CONFIG_PM, CONFIG_VGA_SWITCHEROO and CONFIG_SND_HDA_CODEC_HDMI *are* enabled, the compiler now emits the following warning: sound/pci/hda/hda_intel.c:1024:12: warning: 'azx_resume' defined but not used [-Wunused-function] static int azx_resume(struct device *dev) ^~~~~~~~~~ sound/pci/hda/hda_intel.c:989:12: warning: 'azx_suspend' defined but not used [-Wunused-function] static int azx_suspend(struct device *dev) ^~~~~~~~~~~ Silence by updating the #ifdef. Because the #ifdef block now uses the same condition as the one immediately succeeding it, the two blocks can be collapsed together, shaving off another two lines. Fixes: 07f4f97d7b4b ("vga_switcheroo: Use device link for HDA controller") Reviewed-by: Takashi Iwai Reported-by: Arnd Bergmann Signed-off-by: Lukas Wunner Link: https://patchwork.kernel.org/patch/10313441/ Link: https://patchwork.freedesktop.org/patch/msgid/b8e70e34a9acbd4f0a1a6c7673cea96888ae9503.1522323444.git.lukas@wunner.de --- diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index ec4e6b829ee2..d653c56e9141 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -982,7 +982,7 @@ static int param_set_xint(const char *val, const struct kernel_param *kp) #define azx_del_card_list(chip) /* NOP */ #endif /* CONFIG_PM */ -#if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO) +#ifdef CONFIG_PM_SLEEP /* * power management */ @@ -1063,9 +1063,7 @@ static int azx_resume(struct device *dev) trace_azx_resume(chip); return 0; } -#endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */ -#ifdef CONFIG_PM_SLEEP /* put codec down to D3 at hibernation for Intel SKL+; * otherwise BIOS may still access the codec and screw up the driver */