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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-07-26 14:23:10 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-07-26 14:43:33 +0300 |
| commit | af055598542670c8533a58582813b1419949cae0 (patch) | |
| tree | 901fa1bf635d5c1e91d08f9f4c2e4943516dbb71 /sound/core/pcm_local.h | |
| parent | 9f15a4ab19ab33658dbc9fd37be5210e8c1ac622 (diff) | |
| parent | 2d62c799f8ffac4f7ffba6a4e7f148827dfc24c7 (diff) | |
| download | linux-af055598542670c8533a58582813b1419949cae0.tar.xz | |
Merge airlied/drm-next into drm-misc-next
I need this to be able to apply the deferred fbdev setup patches, I
need the relevant prep work that landed through the drm-intel tree.
Also squash in conflict fixup from Laurent Pinchart.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'sound/core/pcm_local.h')
| -rw-r--r-- | sound/core/pcm_local.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sound/core/pcm_local.h b/sound/core/pcm_local.h new file mode 100644 index 000000000000..16f254732b2a --- /dev/null +++ b/sound/core/pcm_local.h @@ -0,0 +1,50 @@ +/* + * pcm_local.h - a local header file for snd-pcm module. + * + * Copyright (c) Takashi Sakamoto <o-takashi@sakamocchi.jp> + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#ifndef __SOUND_CORE_PCM_LOCAL_H +#define __SOUND_CORE_PCM_LOCAL_H + +extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates; + +void snd_interval_mul(const struct snd_interval *a, + const struct snd_interval *b, struct snd_interval *c); +void snd_interval_div(const struct snd_interval *a, + const struct snd_interval *b, struct snd_interval *c); +void snd_interval_muldivk(const struct snd_interval *a, + const struct snd_interval *b, + unsigned int k, struct snd_interval *c); +void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k, + const struct snd_interval *b, struct snd_interval *c); + +int snd_pcm_hw_constraints_init(struct snd_pcm_substream *substream); +int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream); + +int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, + snd_pcm_hw_param_t var, u_int32_t mask); + +int pcm_lib_apply_appl_ptr(struct snd_pcm_substream *substream, + snd_pcm_uframes_t appl_ptr); +int snd_pcm_update_state(struct snd_pcm_substream *substream, + struct snd_pcm_runtime *runtime); +int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream); + +void snd_pcm_playback_silence(struct snd_pcm_substream *substream, + snd_pcm_uframes_t new_hw_ptr); + +#ifdef CONFIG_SND_PCM_TIMER +void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream); +void snd_pcm_timer_init(struct snd_pcm_substream *substream); +void snd_pcm_timer_done(struct snd_pcm_substream *substream); +#else +static inline void +snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) {} +static inline void snd_pcm_timer_init(struct snd_pcm_substream *substream) {} +static inline void snd_pcm_timer_done(struct snd_pcm_substream *substream) {} +#endif + +#endif /* __SOUND_CORE_PCM_LOCAL_H */ |