linux-kernel - Re: [PATCH] snd-cs46xx: Fix suspend for all channels

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Message-ID: <s5hsi4sr3o4.wl-tiwai@suse.de>
Date:	Fri, 30 Oct 2015 12:34:03 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	"Ondrej Zary" <linux@...nbow-software.org>
Cc:	<alsa-devel@...a-project.org>,
	"Kernel development list" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] snd-cs46xx: Fix suspend for all channels

On Thu, 29 Oct 2015 20:52:24 +0100,
Ondrej Zary wrote:
> 
> snd_cs46xx_suspend() is missing snd_pcm_suspend_all calls for pcm_rear,
> pcm_center_lfe and pcm_iec958.
> 
> There's also a copy/paste bug in snd_cs46xx_pcm_iec958(), overwriting
> pcm_rear in struct snd_cs46xx, leaving pcm_iec958 unused.
> 
> Fix all this to allow all channels to survive suspend/resume.
> 
> Signed-off-by: Ondrej Zary <linux@...nbow-software.org>

Applied, thanks.


Takashi

> ---
>  sound/pci/cs46xx/cs46xx_lib.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
> index e62c841..2706f27 100644
> --- a/sound/pci/cs46xx/cs46xx_lib.c
> +++ b/sound/pci/cs46xx/cs46xx_lib.c
> @@ -1864,7 +1864,7 @@ int snd_cs46xx_pcm_iec958(struct snd_cs46xx *chip, int device)
>  	/* global setup */
>  	pcm->info_flags = 0;
>  	strcpy(pcm->name, "CS46xx - IEC958");
> -	chip->pcm_rear = pcm;
> +	chip->pcm_iec958 = pcm;
>  
>  	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
>  					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
> @@ -3780,6 +3780,11 @@ static int snd_cs46xx_suspend(struct device *dev)
>  	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
>  	chip->in_suspend = 1;
>  	snd_pcm_suspend_all(chip->pcm);
> +#ifdef CONFIG_SND_CS46XX_NEW_DSP
> +	snd_pcm_suspend_all(chip->pcm_rear);
> +	snd_pcm_suspend_all(chip->pcm_center_lfe);
> +	snd_pcm_suspend_all(chip->pcm_iec958);
> +#endif
>  	// chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL);
>  	// chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE);
>  
> -- 
> Ondrej Zary
> 
> 
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