usb: gadget: f_uac2: fix build warning

commit 913e4a90b6f9 ("usb: gadget: f_uac2:
finalize wMaxPacketSize according to bandwidth")
added a possible build warning when calling
min(). In order to fix the warning, we just
make sure to call min_t() and tell that its
arguments should be u16.

Cc: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index b568024..c35a2a1 100644 (file)
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -994,7 +994,7 @@ static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
 
        max_packet_size = num_channels(chmask) * ssize *
                DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)));
-       ep_desc->wMaxPacketSize = cpu_to_le16(min(max_packet_size,
+       ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_packet_size,
                                le16_to_cpu(ep_desc->wMaxPacketSize)));
 }