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usb: gadget: f_midi: defaults buflen sizes to 512 

512 is the value used by wMaxPacketSize, as specified by the USB Spec. This
makes sure this driver uses, by default, the most optimal value for IN and OUT
endpoint requests.

Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe F. Tonello 2016-08-08 21:30:08 +01:00 committed by Felipe Balbi
parent 4a655f152e
commit 7ea9fde760
2 changed files with 2 additions and 2 deletions
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2
drivers/usb/gadget/function/f_midi.c
View File

@ -1122,7 +1122,7 @@ static struct usb_function_instance *f_midi_alloc_inst(void)
opts->func_inst.free_func_inst = f_midi_free_inst;
opts->index = SNDRV_DEFAULT_IDX1;
opts->id = SNDRV_DEFAULT_STR1;
opts->buflen = 256;
opts->buflen = 512;
opts->qlen = 32;
opts->in_ports = 1;
opts->out_ports = 1;

2
drivers/usb/gadget/legacy/gmidi.c
View File

@ -47,7 +47,7 @@ static char *id = SNDRV_DEFAULT_STR1;
module_param(id, charp, S_IRUGO);
MODULE_PARM_DESC(id, "ID string for the USB MIDI Gadget adapter.");
static unsigned int buflen = 256;
static unsigned int buflen = 512;
module_param(buflen, uint, S_IRUGO);
MODULE_PARM_DESC(buflen, "MIDI buffer length");