From 6b38c5722610b2a5a891cd372f50e8682fad83e6 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 7 Apr 2022 23:27:40 +0200 Subject: 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 Link: https://lore.kernel.org/r/20220407212740.17920-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sound') 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 = -- cgit v1.2.3