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Conflicts: Documentation/ABI/testing/sysfs-bus-usb drivers/Makefile
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| Original file line number | Diff line number | Diff line change |
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| What: /sys/bus/usb/drivers/usbtmc/devices/*/interface_capabilities | ||
| What: /sys/bus/usb/drivers/usbtmc/devices/*/device_capabilities | ||
| Date: August 2008 | ||
| Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
| Description: | ||
| These files show the various USB TMC capabilities as described | ||
| by the device itself. The full description of the bitfields | ||
| can be found in the USB TMC documents from the USB-IF entitled | ||
| "Universal Serial Bus Test and Measurement Class Specification | ||
| (USBTMC) Revision 1.0" section 4.2.1.8. | ||
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| The files are read only. | ||
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| What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_interface_capabilities | ||
| What: /sys/bus/usb/drivers/usbtmc/devices/*/usb488_device_capabilities | ||
| Date: August 2008 | ||
| Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
| Description: | ||
| These files show the various USB TMC capabilities as described | ||
| by the device itself. The full description of the bitfields | ||
| can be found in the USB TMC documents from the USB-IF entitled | ||
| "Universal Serial Bus Test and Measurement Class, Subclass | ||
| USB488 Specification (USBTMC-USB488) Revision 1.0" section | ||
| 4.2.2. | ||
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| The files are read only. | ||
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| What: /sys/bus/usb/drivers/usbtmc/devices/*/TermChar | ||
| Date: August 2008 | ||
| Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
| Description: | ||
| This file is the TermChar value to be sent to the USB TMC | ||
| device as described by the document, "Universal Serial Bus Test | ||
| and Measurement Class Specification | ||
| (USBTMC) Revision 1.0" as published by the USB-IF. | ||
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| Note that the TermCharEnabled file determines if this value is | ||
| sent to the device or not. | ||
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| What: /sys/bus/usb/drivers/usbtmc/devices/*/TermCharEnabled | ||
| Date: August 2008 | ||
| Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
| Description: | ||
| This file determines if the TermChar is to be sent to the | ||
| device on every transaction or not. For more details about | ||
| this, please see the document, "Universal Serial Bus Test and | ||
| Measurement Class Specification (USBTMC) Revision 1.0" as | ||
| published by the USB-IF. | ||
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| What: /sys/bus/usb/drivers/usbtmc/devices/*/auto_abort | ||
| Date: August 2008 | ||
| Contact: Greg Kroah-Hartman <gregkh@suse.de> | ||
| Description: | ||
| This file determines if the the transaction of the USB TMC | ||
| device is to be automatically aborted if there is any error. | ||
| For more details about this, please see the document, | ||
| "Universal Serial Bus Test and Measurement Class Specification | ||
| (USBTMC) Revision 1.0" as published by the USB-IF. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| Where: /sys/bus/usb/.../powered | ||
| Date: August 2008 | ||
| Kernel Version: 2.6.26 | ||
| Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
| Description: Controls whether the device's display will powered. | ||
| A value of 0 is off and a non-zero value is on. | ||
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| Where: /sys/bus/usb/.../mode_msb | ||
| Where: /sys/bus/usb/.../mode_lsb | ||
| Date: August 2008 | ||
| Kernel Version: 2.6.26 | ||
| Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
| Description: Controls the devices display mode. | ||
| For a 6 character display the values are | ||
| MSB 0x06; LSB 0x3F, and | ||
| for an 8 character display the values are | ||
| MSB 0x08; LSB 0xFF. | ||
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| Where: /sys/bus/usb/.../textmode | ||
| Date: August 2008 | ||
| Kernel Version: 2.6.26 | ||
| Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
| Description: Controls the way the device interprets its text buffer. | ||
| raw: each character controls its segment manually | ||
| hex: each character is between 0-15 | ||
| ascii: each character is between '0'-'9' and 'A'-'F'. | ||
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| Where: /sys/bus/usb/.../text | ||
| Date: August 2008 | ||
| Kernel Version: 2.6.26 | ||
| Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
| Description: The text (or data) for the device to display | ||
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| Where: /sys/bus/usb/.../decimals | ||
| Date: August 2008 | ||
| Kernel Version: 2.6.26 | ||
| Contact: Harrison Metzger <harrisonmetz@gmail.com> | ||
| Description: Controls the decimal places on the device. | ||
| To set the nth decimal place, give this field | ||
| the value of 10 ** n. Assume this field has | ||
| the value k and has 1 or more decimal places set, | ||
| to set the mth place (where m is not already set), | ||
| change this fields value to k + 10 ** m. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| What: /sys/kernel/profile | ||
| Date: September 2008 | ||
| Contact: Dave Hansen <dave@linux.vnet.ibm.com> | ||
| Description: | ||
| /sys/kernel/profile is the runtime equivalent | ||
| of the boot-time profile= option. | ||
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| You can get the same effect running: | ||
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| echo 2 > /sys/kernel/profile | ||
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| as you would by issuing profile=2 on the boot | ||
| command line. |
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