From 2360e4aa64da412c29136113f8050b6aa9e757b8 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 13 Dec 2006 13:07:10 -0800 Subject: USB: indicate active altsetting in proc/bus/usb/devices file Update /proc/bus/usb/devices output to report active altsettings. Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/devices.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/usb/core/devices.c') diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index ea398e5d50af..1ff429c37d52 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -104,7 +104,7 @@ static const char *format_config = static const char *format_iface = /* I: If#=dd Alt=dd #EPs=dd Cls=xx(sssss) Sub=xx Prot=xx Driver=xxxx*/ - "I: If#=%2d Alt=%2d #EPs=%2d Cls=%02x(%-5s) Sub=%02x Prot=%02x Driver=%s\n"; + "I:%c If#=%2d Alt=%2d #EPs=%2d Cls=%02x(%-5s) Sub=%02x Prot=%02x Driver=%s\n"; static const char *format_endpt = /* E: Ad=xx(s) Atr=xx(ssss) MxPS=dddd Ivl=D?s */ @@ -242,15 +242,19 @@ static char *usb_dump_interface_descriptor(char *start, char *end, { const struct usb_interface_descriptor *desc = &intfc->altsetting[setno].desc; const char *driver_name = ""; + int active = 0; if (start > end) return start; down_read(&usb_bus_type.subsys.rwsem); - if (iface) + if (iface) { driver_name = (iface->dev.driver ? iface->dev.driver->name : "(none)"); + active = (desc == &iface->cur_altsetting->desc); + } start += sprintf(start, format_iface, + active ? '*' : ' ', /* mark active altsetting */ desc->bInterfaceNumber, desc->bAlternateSetting, desc->bNumEndpoints, -- cgit v1.2.2 From 1a68f71d4fe71426a5c9703591e068241c03f896 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 25 Jan 2007 11:17:41 +0100 Subject: USB: a bit more coding style cleanup I was sitting in a train threatened to be blocked by ice. I took this as a hint to do some more boring work for the common good. Here's a bit more for coding style. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/devices.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/usb/core/devices.c') diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 1ff429c37d52..a47c30b2d764 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -164,10 +164,10 @@ static const char *class_decode(const int class) for (ix = 0; clas_info[ix].class != -1; ix++) if (clas_info[ix].class == class) break; - return (clas_info[ix].class_name); + return clas_info[ix].class_name; } -static char *usb_dump_endpoint_descriptor ( +static char *usb_dump_endpoint_descriptor( int speed, char *start, char *end, @@ -212,9 +212,9 @@ static char *usb_dump_endpoint_descriptor ( break; case USB_ENDPOINT_XFER_INT: type = "Int."; - if (speed == USB_SPEED_HIGH) { + if (speed == USB_SPEED_HIGH) interval = 1 << (desc->bInterval - 1); - } else + else interval = desc->bInterval; break; default: /* "can't happen" */ @@ -347,7 +347,7 @@ static char *usb_dump_device_descriptor(char *start, char *end, const struct usb if (start > end) return start; - start += sprintf (start, format_device1, + start += sprintf(start, format_device1, bcdUSB >> 8, bcdUSB & 0xff, desc->bDeviceClass, class_decode (desc->bDeviceClass), @@ -367,7 +367,7 @@ static char *usb_dump_device_descriptor(char *start, char *end, const struct usb /* * Dump the different strings that this device holds. */ -static char *usb_dump_device_strings (char *start, char *end, struct usb_device *dev) +static char *usb_dump_device_strings(char *start, char *end, struct usb_device *dev) { if (start > end) return start; @@ -399,7 +399,7 @@ static char *usb_dump_desc(char *start, char *end, struct usb_device *dev) if (start > end) return start; - start = usb_dump_device_strings (start, end, dev); + start = usb_dump_device_strings(start, end, dev); for (i = 0; i < dev->descriptor.bNumConfigurations; i++) { if (start > end) -- cgit v1.2.2