linux-kernel - Re: [alsa-devel] [PATCH 5/5] snd-ice1712: Fix resume on ice1724

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Message-Id: <201210190002.44819.linux@rainbow-software.org>
Date:	Fri, 19 Oct 2012 00:02:44 +0200
From:	Ondrej Zary <linux@...nbow-software.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	alsa-devel@...a-project.org, broonie@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH 5/5] snd-ice1712: Fix resume on ice1724

On Wednesday 17 October 2012 08:57:39 Takashi Iwai wrote:
> At Sun, 14 Oct 2012 21:09:23 +0200,
>
> Ondrej Zary wrote:
> > set_pro_rate() is called from hw_params() but not from prepare(),
> > breaking running PCM on suspend/resume. Call it from prepare() if PCM was
> > suspended to fix the problem.
> >
> > Signed-off-by: Ondrej Zary <linux@...nbow-software.org>
>
> This should be fixed in the resume callback.  Could you check the
> patch below instead?

Now I'm confused. This patch does not work with mplayer+dmix. And my patch 
doesn't either...
When mplayer is set to s32le (without dmix), it works fine without this or my 
patch. Also aplay seems to work without these patches.
I bet that when I tested my patch before, it fixed some real problem. But I'm 
now unable to reproduce that...


> thanks,
>
> Takashi
>
> ---
> diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
> index 161c8f6..5cc3fa5 100644
> --- a/sound/pci/ice1712/ice1724.c
> +++ b/sound/pci/ice1712/ice1724.c
> @@ -2867,7 +2867,12 @@ static int snd_vt1724_resume(struct device *dev)
>  		ice->set_spdif_clock(ice, 0);
>  	} else {
>  		/* internal on-card clock */
> -		snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1);
> +		int rate;
> +		if (ice->cur_rate)
> +			rate = ice->cur_rate;
> +		else
> +			rate = ice->pro_rate_default;
> +		snd_vt1724_set_pro_rate(ice, rate, 1);
>  	}
>
>  	update_spdif_bits(ice, ice->pm_saved_spdif_ctrl);
> --
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-- 
Ondrej Zary
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