From a1e4750a7d4af72e8e9086735885f48c9b56c18e Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 8 Dec 2013 11:11:41 -0800 Subject: [PATCH] altos: Allow products to override default 100mA USB current This will allow products to specify their own current limit. Signed-off-by: Keith Packard --- src/core/ao_product.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/core/ao_product.c b/src/core/ao_product.c index ec91b978..b9327bac 100644 --- a/src/core/ao_product.c +++ b/src/core/ao_product.c @@ -27,6 +27,12 @@ const char ao_product[] = AO_iProduct_STRING; #define LE_WORD(x) ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8)) #if HAS_USB + +/* Maximum power in mA */ +#ifndef AO_USB_MAX_POWER +#define AO_USB_MAX_POWER 100 +#endif + #include "ao_usb.h" /* USB descriptors in one giant block of bytes */ AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] = @@ -55,7 +61,7 @@ AO_ROMCONFIG_SYMBOL(0x00aa) uint8_t ao_usb_descriptors [] = 0x01, /* bConfigurationValue */ 0x00, /* iConfiguration */ 0xC0, /* bmAttributes */ - 0x32, /* bMaxPower */ + AO_USB_MAX_POWER >> 1, /* bMaxPower, 2mA units */ /* Control class interface */ 0x09, -- 2.30.2