Commit fee2ec8c authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: usb-audio: Increase max buffer size 



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: default avatarJaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20220407212740.17920-1-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 98c27add

sound/usb/pcm.c

+1 −1
Original line number Diff line number Diff line
@@ -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 =