diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2006-09-22 12:57:36 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 12:48:17 +0400 |
| commit | 92b9ac78f934616d08c72747607bfb0fa51ee52d (patch) | |
| tree | decb3ba04de5cf83a1a2ab819e793dc8c2a533cf | |
| parent | eb995a8c82dba4a8e027c99ac5001fbc287a115c (diff) | |
| download | linux-92b9ac78f934616d08c72747607bfb0fa51ee52d.tar.xz | |
[ALSA] usb-audio: increase number of packets per URB
To decrease the USB interrupts rate, increase both the default and the
maximum number of packets per URB.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
| -rw-r--r-- | sound/usb/usbaudio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 664dd4c21e66..49248fa7aef4 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -68,7 +68,7 @@ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Vendor ID for this card */ static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Product ID for this card */ -static int nrpacks = 4; /* max. number of packets per urb */ +static int nrpacks = 8; /* max. number of packets per urb */ static int async_unlink = 1; static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/ @@ -100,7 +100,7 @@ MODULE_PARM_DESC(device_setup, "Specific device setup (if needed)."); * */ -#define MAX_PACKS 10 +#define MAX_PACKS 20 #define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */ #define MAX_URBS 8 #define SYNC_URBS 4 /* always four urbs for sync */ |