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| author |   Samuel Holland <samuel@sholland.org> | 2020-03-04 23:11:41 -0600 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-03-06 14:24:09 +0000 |
| commit | 4769bfb9dada678b31a2ec275372624dbfeed9d1 (patch) | |
| tree | 4aa8cbb12078b5351f58bfa417b66fbdffbb7faa /include/sound | |
| parent | ASoC: soc-pcm: remove duplicate be check from dpcm_add_paths() (diff) | |
| download | wireguard-linux-4769bfb9dada678b31a2ec275372624dbfeed9d1.tar.xz wireguard-linux-4769bfb9dada678b31a2ec275372624dbfeed9d1.zip | |
ALSA: pcm: Add a standalone version of snd_pcm_limit_hw_rates
It can be useful to derive min/max rates of a snd_pcm_hardware without
having a snd_pcm_runtime, such as before constructing an ASoC DAI link.
Create a new helper that takes a pointer to a snd_pcm_hardware directly,
and refactor the original function as a wrapper around it, to avoid
needing to update any call sites.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200305051143.60691-2-samuel@sholland.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 2628246b76fa..f7a95b711100 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1127,7 +1127,14 @@ snd_pcm_kernel_readv(struct snd_pcm_substream *substream, return __snd_pcm_lib_xfer(substream, bufs, false, frames, true); } -int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime); +int snd_pcm_hw_limit_rates(struct snd_pcm_hardware *hw); + +static inline int +snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime) +{ + return snd_pcm_hw_limit_rates(&runtime->hw); +} + unsigned int snd_pcm_rate_to_rate_bit(unsigned int rate); unsigned int snd_pcm_rate_bit_to_rate(unsigned int rate_bit); unsigned int snd_pcm_rate_mask_intersect(unsigned int rates_a, |