[ALSA] usb-audio: increase max buffer size
USB generic driver
Increase the maximum PCM buffer size to 1 MB. The USB driver doesn't
have any inherent buffer size limit, and big multichannel interfaces
may benefit from this.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index d5ae2055..2ead878 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1444,9 +1444,9 @@
SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER,
- .buffer_bytes_max = (256*1024),
+ .buffer_bytes_max = 1024 * 1024,
.period_bytes_min = 64,
- .period_bytes_max = (128*1024),
+ .period_bytes_max = 512 * 1024,
.periods_min = 2,
.periods_max = 1024,
};
@@ -1458,9 +1458,9 @@
SNDRV_PCM_INFO_BATCH |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER,
- .buffer_bytes_max = (256*1024),
+ .buffer_bytes_max = 1024 * 1024,
.period_bytes_min = 64,
- .period_bytes_max = (128*1024),
+ .period_bytes_max = 512 * 1024,
.periods_min = 2,
.periods_max = 1024,
};
