[PATCH] ALSA: usb-audio: Increase max buffer size

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.

Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
 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 =
-- 
2.31.1




[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Pulse Audio]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux