linux-kernel - Re: [PATCH] sound/oss/vidc.c: change the field used with DMA

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Date:	Sun, 21 Mar 2010 09:38:16 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Julia Lawall <julia@...u.dk>
Cc:	rmk@....linux.org.uk, perex@...ex.cz, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] sound/oss/vidc.c: change the field used with DMA_ACTIVE

At Thu, 18 Mar 2010 07:53:11 +0100 (CET),
Julia Lawall wrote:
> 
> From: Julia Lawall <julia@...u.dk>
> 
> The constant DMA_ACTIVE is defined with the dma_buffparams structure rather
> than with the audio_operations structure.  Takashi Iwai suggested that the
> dmap_out field of the audio_operations structure should be used instead.
> 
> This is not tested.
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>

Applied now.  Thanks.


Takashi

> 
> ---
>  sound/oss/vidc.c                    |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/oss/vidc.c b/sound/oss/vidc.c
> index 725fef0..a4127ba 100644
> --- a/sound/oss/vidc.c
> +++ b/sound/oss/vidc.c
> @@ -363,13 +363,13 @@ static void vidc_audio_trigger(int dev, int enable_bits)
>  	struct audio_operations *adev = audio_devs[dev];
>  
>  	if (enable_bits & PCM_ENABLE_OUTPUT) {
> -		if (!(adev->flags & DMA_ACTIVE)) {
> +		if (!(adev->dmap_out->flags & DMA_ACTIVE)) {
>  			unsigned long flags;
>  
>  			local_irq_save(flags);
>  
>  			/* prevent recusion */
> -			adev->flags |= DMA_ACTIVE;
> +			adev->dmap_out->flags |= DMA_ACTIVE;
>  
>  			dma_interrupt = vidc_audio_dma_interrupt;
>  			vidc_sound_dma_irq(0, NULL);
> 
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