mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-16 17:57:38 -04:00
Code Issues Packages Projects Releases Wiki Activity

ALSA: pcm: Remove unused snd_pcm_rate_range_to_bits

Browse Source 
The last use of snd_pcm_rate_range_to_bits() was removed in 2016 by
commit b6b6e4d670 ("ASoC: topology: Fix setting of stream rates, rate_min
and rate_max")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250502235219.1000429-2-linux@treblig.org
This commit is contained in:
Dr. David Alan Gilbert
2025-05-03 00:52:15 +01:00
committed by Takashi Iwai
parent 9fa6a693ad
commit 15b39ced62
2 changed files with 0 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/sound/pcm.h
View File

@@ -1251,8 +1251,6 @@ 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,
unsigned int rates_b);
unsigned int snd_pcm_rate_range_to_bits(unsigned int rate_min,
unsigned int rate_max);
/**
* snd_pcm_set_runtime_buffer - Set the PCM runtime buffer

30
sound/core/pcm_misc.c
View File

@@ -586,33 +586,3 @@ unsigned int snd_pcm_rate_mask_intersect(unsigned int rates_a,
return rates_a & rates_b;
}
EXPORT_SYMBOL_GPL(snd_pcm_rate_mask_intersect);
/**
* snd_pcm_rate_range_to_bits - converts rate range to SNDRV_PCM_RATE_xxx bit
* @rate_min: the minimum sample rate
* @rate_max: the maximum sample rate
*
* This function has an implicit assumption: the rates in the given range have
* only the pre-defined rates like 44100 or 16000.
*
* Return: The SNDRV_PCM_RATE_xxx flag that corresponds to the given rate range,
* or SNDRV_PCM_RATE_KNOT for an unknown range.
*/
unsigned int snd_pcm_rate_range_to_bits(unsigned int rate_min,
unsigned int rate_max)
{
unsigned int rates = 0;
int i;
for (i = 0; i < snd_pcm_known_rates.count; i++) {
if (snd_pcm_known_rates.list[i] >= rate_min
&& snd_pcm_known_rates.list[i] <= rate_max)
rates |= 1 << i;
}
if (!rates)
rates = SNDRV_PCM_RATE_KNOT;
return rates;
}
EXPORT_SYMBOL_GPL(snd_pcm_rate_range_to_bits);