diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2017-06-07 00:20:01 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-06-07 20:30:03 +0100 |
| commit | 07b7acb51d283d8469696c906b91f1882696a4d4 (patch) | |
| tree | 93ac1c09af5e016ff0b1fa84b54c14d27aa935ef /sound/soc/sh/rcar/rsnd.h | |
| parent | 0d6b35212b451d4ac0c07c7b2b15b20ea763df5c (diff) | |
| download | linux-07b7acb51d283d8469696c906b91f1882696a4d4.tar.bz2 | |
ASoC: rsnd: update pointer more accurate
Current rsnd driver updates pointer when DMA transfer was finished
in DMA transfer mode. But PulseAudio requests more accurate
pointer update when timer mode.
This patch consider about DMA transfer residue and update more
accurate pointer.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh/rcar/rsnd.h')
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index 96a567de5f14..d4f89d5e6994 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -269,6 +269,9 @@ struct rsnd_mod_ops { struct rsnd_dai_stream *io, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params); + int (*pointer)(struct rsnd_mod *mod, + struct rsnd_dai_stream *io, + snd_pcm_uframes_t *pointer); int (*fallback)(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv); @@ -306,6 +309,7 @@ struct rsnd_mod { * H 0: pcm_new * H 0: fallback * H 0: hw_params + * H 0: pointer */ #define __rsnd_mod_shift_nolock_start 0 #define __rsnd_mod_shift_nolock_stop 0 @@ -319,6 +323,7 @@ struct rsnd_mod { #define __rsnd_mod_shift_pcm_new 28 /* always called */ #define __rsnd_mod_shift_fallback 28 /* always called */ #define __rsnd_mod_shift_hw_params 28 /* always called */ +#define __rsnd_mod_shift_pointer 28 /* always called */ #define __rsnd_mod_add_probe 0 #define __rsnd_mod_add_remove 0 @@ -332,6 +337,7 @@ struct rsnd_mod { #define __rsnd_mod_add_pcm_new 0 #define __rsnd_mod_add_fallback 0 #define __rsnd_mod_add_hw_params 0 +#define __rsnd_mod_add_pointer 0 #define __rsnd_mod_call_probe 0 #define __rsnd_mod_call_remove 0 @@ -343,6 +349,7 @@ struct rsnd_mod { #define __rsnd_mod_call_pcm_new 0 #define __rsnd_mod_call_fallback 0 #define __rsnd_mod_call_hw_params 0 +#define __rsnd_mod_call_pointer 0 #define __rsnd_mod_call_nolock_start 0 #define __rsnd_mod_call_nolock_stop 1 |