On 05/21/2017 10:09 PM, Takashi Iwai wrote:
> Replace the copy and the silence ops with the new merged ops.
> It's a capture stream, thus no silence is needed.
> 
> Signed-off-by: Takashi Iwai <ti...@suse.de>

Acked-by: Hans Verkuil <hans.verk...@cisco.com>

Regards,

        Hans

> ---
>  drivers/media/pci/solo6x10/solo6x10-g723.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c 
> b/drivers/media/pci/solo6x10/solo6x10-g723.c
> index 36e93540bb49..e21db3efb748 100644
> --- a/drivers/media/pci/solo6x10/solo6x10-g723.c
> +++ b/drivers/media/pci/solo6x10/solo6x10-g723.c
> @@ -225,7 +225,7 @@ static snd_pcm_uframes_t snd_solo_pcm_pointer(struct 
> snd_pcm_substream *ss)
>  
>  static int snd_solo_pcm_copy(struct snd_pcm_substream *ss, int channel,
>                            snd_pcm_uframes_t pos, void __user *dst,
> -                          snd_pcm_uframes_t count)
> +                          snd_pcm_uframes_t count, bool in_kernel)
>  {
>       struct solo_snd_pcm *solo_pcm = snd_pcm_substream_chip(ss);
>       struct solo_dev *solo_dev = solo_pcm->solo_dev;
> @@ -242,10 +242,11 @@ static int snd_solo_pcm_copy(struct snd_pcm_substream 
> *ss, int channel,
>               if (err)
>                       return err;
>  
> -             err = copy_to_user(dst + (i * G723_PERIOD_BYTES),
> -                                solo_pcm->g723_buf, G723_PERIOD_BYTES);
> -
> -             if (err)
> +             if (in_kernel)
> +                     memcpy((void *)dst + (i * G723_PERIOD_BYTES),
> +                            solo_pcm->g723_buf, G723_PERIOD_BYTES);
> +             else if (copy_to_user(dst + (i * G723_PERIOD_BYTES),
> +                                   solo_pcm->g723_buf, G723_PERIOD_BYTES))
>                       return -EFAULT;
>       }
>  
> @@ -261,7 +262,7 @@ static const struct snd_pcm_ops snd_solo_pcm_ops = {
>       .prepare = snd_solo_pcm_prepare,
>       .trigger = snd_solo_pcm_trigger,
>       .pointer = snd_solo_pcm_pointer,
> -     .copy = snd_solo_pcm_copy,
> +     .copy_silence = snd_solo_pcm_copy,
>  };
>  
>  static int snd_solo_capture_volume_info(struct snd_kcontrol *kcontrol,
> 

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