From: Keith Packard <keithp@keithp.com>
Date: Sat, 28 Feb 2015 23:07:16 +0000 (-0800)
Subject: altos: Allow software to offer other USB interface classes than CDC
X-Git-Tag: 1.6.0.3~121
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;ds=sidebyside;h=ec2d758844202108b446e6b12ec1da8812ceb265;hp=4af4e36cda96d053458eeb040e35886890917385;p=fw%2Faltos

altos: Allow software to offer other USB interface classes than CDC

This lets some boards offer non-CDC class USB interfaces so that the
modem driver doesn't pick them up.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/kernel/ao_product.c b/src/kernel/ao_product.c
index b9327bac..baee8dd6 100644
--- a/src/kernel/ao_product.c
+++ b/src/kernel/ao_product.c
@@ -33,6 +33,10 @@ const char ao_product[] = AO_iProduct_STRING;
 #define AO_USB_MAX_POWER	100
 #endif
 
+#ifndef AO_USB_INTERFACE_CLASS
+#define AO_USB_INTERFACE_CLASS	0x02
+#endif
+
 #include "ao_usb.h"
 /* USB descriptors in one giant block of bytes */
 AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] =
@@ -69,7 +73,7 @@ AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] =
 	0x00,			/*  bInterfaceNumber */
 	0x00,			/*  bAlternateSetting */
 	0x01,			/*  bNumEndPoints */
-	0x02,			/*  bInterfaceClass */
+	AO_USB_INTERFACE_CLASS,	/*  bInterfaceClass */
 	0x02,			/*  bInterfaceSubClass */
 	0x01,			/*  bInterfaceProtocol, linux requires value of 1 for the cdc_acm module */
 	0x00,			/*  iInterface */