ALSA: fix unused warnings with snd_power_get_state
If we compile the ASoC code with PM disabled, we hit stuff like: sound/soc/soc-dapm.c: In function 'snd_soc_dapm_suspend_check': sound/soc/soc-dapm.c:440: warning: unused variable 'codec' So tweak the stub macro to avoid these issues. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -179,7 +179,7 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state);
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#define snd_power_lock(card) do { (void)(card); } while (0)
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#define snd_power_unlock(card) do { (void)(card); } while (0)
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static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; }
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#define snd_power_get_state(card) SNDRV_CTL_POWER_D0
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#define snd_power_get_state(card) ({ (void)(card); SNDRV_CTL_POWER_D0; })
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#define snd_power_change_state(card, state) do { (void)(card); } while (0)
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#endif /* CONFIG_PM */
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