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ALSA: xen-front: Use Xen common shared buffer implementation

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Use page directory based shared buffer implementation
now available as common code for Xen frontend drivers.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Oleksandr Andrushchenko
2018-11-30 09:42:05 +02:00
committed by Boris Ostrovsky
parent 5641f19bdf
commit 58f9d806d1
7 changed files with 84 additions and 261 deletions
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4
sound/xen/xen_snd_front.h
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@@ -16,7 +16,7 @@
struct xen_snd_front_card_info;
struct xen_snd_front_evtchnl;
struct xen_snd_front_evtchnl_pair;
struct xen_snd_front_shbuf;
struct xen_front_pgdir_shbuf;
struct xensnd_query_hw_param;
struct xen_snd_front_info {
@@ -35,7 +35,7 @@ int xen_snd_front_stream_query_hw_param(struct xen_snd_front_evtchnl *evtchnl,
struct xensnd_query_hw_param *hw_param_resp);
int xen_snd_front_stream_prepare(struct xen_snd_front_evtchnl *evtchnl,
struct xen_snd_front_shbuf *sh_buf,
struct xen_front_pgdir_shbuf *shbuf,
u8 format, unsigned int channels,
unsigned int rate, u32 buffer_sz,
u32 period_sz);