[Intel-gfx] [PATCH 3/4] ALSA: hda - Fix runtime PM check

Takashi Iwai tiwai at suse.de
Thu May 23 08:02:33 CEST 2013


At Thu, 23 May 2013 01:04:15 +0800,
Wang Xingchao wrote:
> 
> The device can support runtime PM no matter whether
> it support signal wakeup or not. For some chips like Haswell
> which doesnot support PME by default, this patch let haswell
> Display HD-A controller enter runtime suspend, and bring more
> power saving whith power-well feature enabled.
> Signed-off-by: Wang Xingchao <xingchao.wang at linux.intel.com>

This change has nothing to do with the power well fix, thus no reason
to put in the series.


Takashi

> ---
>  sound/pci/hda/hda_intel.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
> index 54c7c22..f20a88c 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -3755,7 +3755,7 @@ static int azx_probe(struct pci_dev *pci,
>  			goto out_free_power;
>  	}
>  
> -	if (pci_dev_run_wake(pci))
> +	if (chip->driver_caps & AZX_DCAPS_PM_RUNTIME)
>  		pm_runtime_put_noidle(&pci->dev);
>  
>  	dev++;
> @@ -3834,7 +3834,7 @@ static void azx_remove(struct pci_dev *pci)
>  	struct snd_card *card = pci_get_drvdata(pci);
>  	struct azx *chip = card->private_data;
>  
> -	if (pci_dev_run_wake(pci))
> +	if (chip->driver_caps & AZX_DCAPS_PM_RUNTIME)
>  		pm_runtime_get_noresume(&pci->dev);
>  
>  	if (card)
> -- 
> 1.8.1.2
> 



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