Re: [PATCH] ALSA: ctxfi: Bump playback substreams to 256

From: Takashi Iwai
Date: Wed Aug 24 2011 - 04:40:48 EST


At Wed, 24 Aug 2011 00:48:59 +0200,
Maarten Lankhorst wrote:
>
> There are references in the code to 256 sources, so I tested it with 256 aplays,
> of which the first and last with real data and the rest playing /dev/zero .
>
> Also increase amount of page tables, so the default aplay size works.
>
> Signed-off-by: Maarten Lankhorst <m.b.lankhorst@xxxxxxxxx>

Applied now. Thanks.


Takashi

> ---
> diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c
> index 457d211..2c86226 100644
> --- a/sound/pci/ctxfi/ctpcm.c
> +++ b/sound/pci/ctxfi/ctpcm.c
> @@ -404,7 +404,7 @@ int ct_alsa_pcm_create(struct ct_atc *atc,
> int err;
> int playback_count, capture_count;
>
> - playback_count = (IEC958 == device) ? 1 : 8;
> + playback_count = (IEC958 == device) ? 1 : 256;
> capture_count = (FRONT == device) ? 1 : 0;
> err = snd_pcm_new(atc->card, "ctxfi", device,
> playback_count, capture_count, &pcm);
> diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c
> index c749fa7..e134b3a 100644
> --- a/sound/pci/ctxfi/ctsrc.c
> +++ b/sound/pci/ctxfi/ctsrc.c
> @@ -20,7 +20,7 @@
> #include "cthardware.h"
> #include <linux/slab.h>
>
> -#define SRC_RESOURCE_NUM 64
> +#define SRC_RESOURCE_NUM 256
> #define SRCIMP_RESOURCE_NUM 256
>
> static unsigned int conj_mask;
> diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h
> index b23adfc..e6da60e 100644
> --- a/sound/pci/ctxfi/ctvmem.h
> +++ b/sound/pci/ctxfi/ctvmem.h
> @@ -18,7 +18,7 @@
> #ifndef CTVMEM_H
> #define CTVMEM_H
>
> -#define CT_PTP_NUM 1 /* num of device page table pages */
> +#define CT_PTP_NUM 4 /* num of device page table pages */
>
> #include <linux/mutex.h>
> #include <linux/list.h>
>
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