linux-kernel - Re: [PATCH] drm: bridge: dw-hdmi: constify snd_pcm

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Date:   Wed, 9 Aug 2017 18:06:24 +0530
From:   Archit Taneja <architt@...eaurora.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     a.hajda@...sung.com, airlied@...ux.ie,
        elfring@...rs.sourceforge.net, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm: bridge: dw-hdmi: constify snd_pcm_ops structures



On 08/09/2017 02:08 PM, Laurent Pinchart wrote:
> Hi Arvind,
> 
> Thank you for the patch.
> 
> On Wednesday 09 Aug 2017 13:08:37 Arvind Yadav wrote:
>> snd_pcm_ops are not supposed to change at runtime. All functions
>> working with snd_pcm_ops provided by <sound/pcm.h> work with
>> const snd_pcm_ops. So mark the non-const structs as const.
>>
>> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

queued to drm-misc-next

Thanks,
Archit

> 
>> ---
>>   drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
>> b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index
>> 8f2d137..cf3f0ca 100644
>> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
>> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
>> @@ -517,7 +517,7 @@ static snd_pcm_uframes_t dw_hdmi_pointer(struct
>> snd_pcm_substream *substream) return bytes_to_frames(runtime,
>> dw->buf_offset);
>>   }
>>
>> -static struct snd_pcm_ops snd_dw_hdmi_ops = {
>> +static const struct snd_pcm_ops snd_dw_hdmi_ops = {
>>   	.open = dw_hdmi_open,
>>   	.close = dw_hdmi_close,
>>   	.ioctl = snd_pcm_lib_ioctl,
> 

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