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| author | Takashi Iwai <tiwai@suse.de> | 2022-04-08 00:27:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-20 10:34:13 +0300 |
| commit | 6b38c5722610b2a5a891cd372f50e8682fad83e6 (patch) | |
| tree | 766603e0eb339d18d01a4fa51d704b77741b8428 /sound | |
| parent | 7399ed8e6a8d37d75f29b10f4558fa8dc166aa61 (diff) | |
| download | linux-6b38c5722610b2a5a891cd372f50e8682fad83e6.tar.xz | |
ALSA: usb-audio: Increase max buffer size
[ Upstream commit fee2ec8cceb33b8886bc5894fb07e0b2e34148af ]
The current limit of max buffer size 1MB seems too small for modern
devices with lots of channels and high sample rates.
Let's make bigger, 4MB.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20220407212740.17920-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/pcm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 6fa9115e322b..866a82b69d8d 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -659,7 +659,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) #define hwc_debug(fmt, args...) do { } while(0) #endif -#define MAX_BUFFER_BYTES (1024 * 1024) +#define MAX_BUFFER_BYTES (4 * 1024 * 1024) #define MAX_PERIOD_BYTES (512 * 1024) static const struct snd_pcm_hardware snd_usb_hardware = |