Re: [PATCH] ALSA: fix unused warnings with snd_power_get_state

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At Sat, 16 Oct 2010 13:24:52 -0400,
Mike Frysinger wrote:
> 
> 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@xxxxxxxxxx>

Applied now.  Thanks.


Takashi

> ---
>  include/sound/core.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/sound/core.h b/include/sound/core.h
> index 89e0ac1..c129f08 100644
> --- a/include/sound/core.h
> +++ b/include/sound/core.h
> @@ -179,7 +179,7 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state);
>  #define snd_power_lock(card)		do { (void)(card); } while (0)
>  #define snd_power_unlock(card)		do { (void)(card); } while (0)
>  static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; }
> -#define snd_power_get_state(card)	SNDRV_CTL_POWER_D0
> +#define snd_power_get_state(card)	({ (void)(card); SNDRV_CTL_POWER_D0; })
>  #define snd_power_change_state(card, state)	do { (void)(card); } while (0)
>  
>  #endif /* CONFIG_PM */
> -- 
> 1.7.3.1
> 
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