| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.17 114/219] ALSA: usb-audio: Increase max buffer size | Date | Mon, 18 Apr 2022 14:11:23 +0200 |
| |
From: Takashi Iwai <tiwai@suse.de>
[ 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> --- sound/usb/pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 6a460225f2e3..37ee6df8b15a 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 = -- 2.35.1
|