[alsa-devel] [PATCH for-5.6 01/14] media: solo6x10: Use managed buffer allocation

[Ismael Luceno]

On 10/Dec/2019 14:58, Takashi Iwai wrote:
> Clean up the driver with the new managed buffer allocation API.
> The hw_params and hw_free callbacks became superfluous and dropped.
> 
> Cc: Bluecherry Maintainers <maintainers at bluecherrydvr.com>
> Cc: Anton Sviridenko <anton at corp.bluecherry.net>
> Cc: Andrey Utkin <andrey.utkin at corp.bluecherry.net>
> Cc: Ismael Luceno <ismael at iodev.co.uk>
> Cc: Mauro Carvalho Chehab <mchehab at kernel.org>
> Signed-off-by: Takashi Iwai <tiwai at suse.de>
> ---
>  drivers/media/pci/solo6x10/solo6x10-g723.c | 23 +++++------------------
>  1 file changed, 5 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c
> index eaa57d835ea8..ca349d447610 100644
> --- a/drivers/media/pci/solo6x10/solo6x10-g723.c
> +++ b/drivers/media/pci/solo6x10/solo6x10-g723.c
> @@ -97,17 +97,6 @@ void solo_g723_isr(struct solo_dev *solo_dev)
>  	}
>  }
>  
> -static int snd_solo_hw_params(struct snd_pcm_substream *ss,
> -			      struct snd_pcm_hw_params *hw_params)
> -{
> -	return snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
> -}
> -
> -static int snd_solo_hw_free(struct snd_pcm_substream *ss)
> -{
> -	return snd_pcm_lib_free_pages(ss);
> -}
> -
>  static const struct snd_pcm_hardware snd_solo_pcm_hw = {
>  	.info			= (SNDRV_PCM_INFO_MMAP |
>  				   SNDRV_PCM_INFO_INTERLEAVED |
> @@ -271,8 +260,6 @@ static const struct snd_pcm_ops snd_solo_pcm_ops = {
>  	.open = snd_solo_pcm_open,
>  	.close = snd_solo_pcm_close,
>  	.ioctl = snd_pcm_lib_ioctl,
> -	.hw_params = snd_solo_hw_params,
> -	.hw_free = snd_solo_hw_free,
>  	.prepare = snd_solo_pcm_prepare,
>  	.trigger = snd_solo_pcm_trigger,
>  	.pointer = snd_solo_pcm_pointer,
> @@ -351,11 +338,11 @@ static int solo_snd_pcm_init(struct solo_dev *solo_dev)
>  	     ss; ss = ss->next, i++)
>  		sprintf(ss->name, "Camera #%d Audio", i);
>  
> -	snd_pcm_lib_preallocate_pages_for_all(pcm,
> -					SNDRV_DMA_TYPE_CONTINUOUS,
> -					NULL,
> -					G723_PERIOD_BYTES * PERIODS,
> -					G723_PERIOD_BYTES * PERIODS);
> +	snd_pcm_set_managed_buffer_all(pcm,
> +				       SNDRV_DMA_TYPE_CONTINUOUS,
> +				       NULL,
> +				       G723_PERIOD_BYTES * PERIODS,
> +				       G723_PERIOD_BYTES * PERIODS);
>  
>  	solo_dev->snd_pcm = pcm;
>  
> -- 
> 2.16.4
> 

Signed-off-by: Ismael Luceno <ismael at iodev.co.uk>