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ALSA: hda: fix unused variable warning

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When CONFIG_X86=n function azx_snoop doesn't use the variable chip it
only returns true.

sound/pci/hda/hda_intel.c: In function ‘dma_alloc_pages’:
sound/pci/hda/hda_intel.c:2002:14: warning: unused variable ‘chip’ [-Wunused-variable]
  struct azx *chip = bus_to_azx(bus);
              ^~~~

Create a inline function of azx_snoop.

Fixes: a41d122449 ("ALSA: hda - Embed bus into controller object")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Anders Roxell 2018-09-11 16:18:36 +02:00 committed by Takashi Iwai
parent 64b6acf60b
commit 5b03006d5c
1 changed files with 4 additions and 5 deletions
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9
sound/pci/hda/hda_controller.h
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@ -170,11 +170,10 @@ struct azx {
#define azx_bus(chip) (&(chip)->bus.core)
#define bus_to_azx(_bus) container_of(_bus, struct azx, bus.core)
#ifdef CONFIG_X86
#define azx_snoop(chip) ((chip)->snoop)
#else
#define azx_snoop(chip) true
#endif
static inline bool azx_snoop(struct azx *chip)
{
return !IS_ENABLED(CONFIG_X86) || chip->snoop;
}
/*
* macros for easy use