aboutsummaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt11
-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt2
-rw-r--r--Documentation/usb/gadget_serial.txt4
-rw-r--r--Documentation/usb/proc_usb_info.txt6
-rw-r--r--Documentation/usb/usbmon.txt12
5 files changed, 22 insertions, 13 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e0f346d201e..c9115c1b672 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -220,14 +220,17 @@ and is between 256 and 4096 characters. It is defined in the file
Bits in debug_level correspond to a level in
ACPI_DEBUG_PRINT statements, e.g.,
ACPI_DEBUG_PRINT((ACPI_DB_INFO, ...
- See Documentation/acpi/debug.txt for more information
- about debug layers and levels.
+ The debug_level mask defaults to "info". See
+ Documentation/acpi/debug.txt for more information about
+ debug layers and levels.
+ Enable processor driver info messages:
+ acpi.debug_layer=0x20000000
+ Enable PCI/PCI interrupt routing info messages:
+ acpi.debug_layer=0x400000
Enable AML "Debug" output, i.e., stores to the Debug
object while interpreting AML:
acpi.debug_layer=0xffffffff acpi.debug_level=0x2
- Enable PCI/PCI interrupt routing info messages:
- acpi.debug_layer=0x400000 acpi.debug_level=0x4
Enable all messages related to ACPI hardware:
acpi.debug_layer=0x2 acpi.debug_level=0xffffffff
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 3cd2ad95817..394d7d378dc 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1063,6 +1063,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
STAC9227/9228/9229/927x
ref Reference board
+ ref-no-jd Reference board without HP/Mic jack detection
3stack D965 3stack
5stack D965 5stack + SPDIF
dell-3stack Dell Dimension E520
@@ -1076,6 +1077,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
STAC92HD73*
ref Reference board
+ no-jd BIOS setup but without jack-detection
dell-m6-amic Dell desktops/laptops with analog mics
dell-m6-dmic Dell desktops/laptops with digital mics
dell-m6 Dell desktops/laptops with both type of mics
diff --git a/Documentation/usb/gadget_serial.txt b/Documentation/usb/gadget_serial.txt
index 9b22bd14c34..eac7df94d8e 100644
--- a/Documentation/usb/gadget_serial.txt
+++ b/Documentation/usb/gadget_serial.txt
@@ -114,11 +114,11 @@ modules.
Then you must load the gadget serial driver. To load it as an
ACM device (recommended for interoperability), do this:
- modprobe g_serial use_acm=1
+ modprobe g_serial
To load it as a vendor specific bulk in/out device, do this:
- modprobe g_serial
+ modprobe g_serial use_acm=0
This will also automatically load the underlying gadget peripheral
controller driver. This must be done each time you reboot the gadget
diff --git a/Documentation/usb/proc_usb_info.txt b/Documentation/usb/proc_usb_info.txt
index 077e9032d0c..fafcd472326 100644
--- a/Documentation/usb/proc_usb_info.txt
+++ b/Documentation/usb/proc_usb_info.txt
@@ -49,8 +49,10 @@ it and 002/048 sometime later.
These files can be read as binary data. The binary data consists
of first the device descriptor, then the descriptors for each
-configuration of the device. That information is also shown in
-text form by the /proc/bus/usb/devices file, described later.
+configuration of the device. Multi-byte fields in the device and
+configuration descriptors, but not other descriptors, are converted
+to host endianness by the kernel. This information is also shown
+in text form by the /proc/bus/usb/devices file, described later.
These files may also be used to write user-level drivers for the USB
devices. You would open the /proc/bus/usb/BBB/DDD file read/write,
diff --git a/Documentation/usb/usbmon.txt b/Documentation/usb/usbmon.txt
index 2917ce4ffdc..270481906dc 100644
--- a/Documentation/usb/usbmon.txt
+++ b/Documentation/usb/usbmon.txt
@@ -34,11 +34,12 @@ if usbmon is built into the kernel.
Verify that bus sockets are present.
# ls /sys/kernel/debug/usbmon
-0s 0t 0u 1s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u
+0s 0u 1s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u
#
-Now you can choose to either use the sockets numbered '0' (to capture packets on
-all buses), and skip to step #3, or find the bus used by your device with step #2.
+Now you can choose to either use the socket '0u' (to capture packets on all
+buses), and skip to step #3, or find the bus used by your device with step #2.
+This allows to filter away annoying devices that talk continuously.
2. Find which bus connects to the desired device
@@ -99,8 +100,9 @@ on the event type, but there is a set of words, common for all types.
Here is the list of words, from left to right:
-- URB Tag. This is used to identify URBs is normally a kernel mode address
- of the URB structure in hexadecimal.
+- URB Tag. This is used to identify URBs, and is normally an in-kernel address
+ of the URB structure in hexadecimal, but can be a sequence number or any
+ other unique string, within reason.
- Timestamp in microseconds, a decimal number. The timestamp's resolution
depends on available clock, and so it can be much worse than a microsecond