Best Way To Recover Sony Ubuntu Laptop Kernel Module

December 28, 2021 By Sean Fry Off

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Here are some simple steps that can help you fix your Ubuntu Sony laptop kernel module issue.

This mini driver controls the SNC and SPIC device, which is used in all ACPI BIOS of the device.Sony Vaio mobile computers. This driver mixes two sets of functions under the sameinterface (hopefully serial). This also means that the Sonypi bikerSony laptop is now outdated.

Recommendations For Fn (keyboard Shortcuts): ¶

Some models use keyboard shortcuts on SNC or SPIC devices to indicate these special cases.reported both through the ACPI subsystem due to acpi events and through INPUTSubsystem. Check the logs of / proc / bus / input / devices to see what it is.Events then determine which input devices are being created. , as well as the driver.In addition, some events are reported when the driver is loaded using a debug option.in the kernel log.

“Scancodes” pass the input system (which will most likely be overridden with udev)the indexes of our table “sony_laptop_input_keycode_map” in which this sony-laptop.cModule. For example, the cryptic combination “FN / E” (EJECTCD on some models)generates scan code 20 (0x14).

Backlight Control: ¶

If your computer model supports this, you can also find the sysfs files in/ system / class / backlight / sony /Phone book. You will definitely be able to request and place the current screenBrightness:

Brightness	Get / set light screen (integer0 to 7)
real_light	Reading this file is HWto get the actual brightness value
maximum_brightness	maximum purity value

Brightness	Get / set Refresh the screen brightness (integerfrom 2 to 7)
real_light	This lodge request becomes HWto get a valid brightness value
maximum_brightness	maximum brightness value

For Platform: ¶

The main module of the Sony laptop starts charging/ sys / devices / platform / sony-laptop /The directory is full of several files.

You now read / write integer values to / from these files when usingStandard UNIX tools.

bright_default	The brightness of the screen is unfortunately adjustedwhen to restart laptop
cdpower	Turn on / off internal CD player
Sound power	Activate / Deactivate Internal Music Card
strength	Enable / disable the internal Ethernet card.(only in debug mode)
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Fan speed	Get / set fan speed

Please note that some files may be missing if they are not supported.depending on your specific laptop model.

set the minimum screen brightness for subsequent and subsequent restarts

sets one of the highest screen brightness for this reboot and up

bright_default	Screen brightness setwhen the laptop probably restarts
cdpower	Turn on / off internal CD player
Sound power	Enable / disable internal card
strength	Enable / disable the internal Ethernet card.(only in debug mode)
Use Sony’s recovery tool to create a USB recovery backup. Then use the same tool to remove duplicate content from the recovery partition and install Ubuntu in it. When dual booting, you probably want to access your NTFS partition so that you have to disable Windows hibernation and fastboot features. Bluetooth Power Supply	Enable / Disable Internal Wireless
Fan speed	Getset / set fan speed

 # show "1"> / sys / devices / platform / sony-laptop / bright_default

 # echo "8"> / sys / devices / platform / sony-laptop / bright_default

 # lion / sys / devices / platform / sony-laptop / bright_default

 # echo "0"> / sys / devices / platform / sony-laptop / audiopower

 # show "1"> / sys / devices / platform / sony-laptop / audiopower

RFkill Control:

Latest Vaio Models Offer ACPI Serial AdaptationControl methods Radio frequency transmitting devices. If you are the preferred domain owner. areUnder such a laptop, a person finds the necessary rfkill inventions/ system / class / rfkill. Get started now with Sony- * at:

To download the core kernel packages for Linux 5.12, click the Links button: choose common for normal machines and low latency for a low latency system (e.g. for audio recordings): you can also download all kernel binaries via terminal and install instructions (open terminal via Ctrl + Alt + T):

 # grep. / sys / class / rfkill / * / state, name

Development: ¶

If you would like to help develop this driver (andYou are not afraid of side effects if you do strange things with it.Your ACPI BIOS can be installed on your laptop), download the driver andpass parameter â € debug = 1â € .DO

Repeat:: DO NOT do THIS if you don’t like risky business.

A list of ACPI methods can be seen in the kernel logs.SNC device is on youWe use your main laptop.

In newer models, you will see a long list of meaningless product names,Reading the source of the DSDT should reveal:

SNC device uses internal company lookup table
SN00 is used when you need to look up values in a Shine table
SN06 and SN07 are used to break through real methods thatOffsets you can get in all iteration tables with SN00
SN02 is used to ensure that you receive events.

Some of the values in the vessel search list are more or less known, seethe codes of any sony_call_snc_handle that contains others are more obscure.

On older models, you can see the GCDP / GCDP methods used to enable / disable it.CD player or others and may usually be different from themModel to model.

Sony laptop driver handles some (mostcurrent is available on several Vaio models), a find under/ sys / devices / platform / sony-laptop as with “cdpower”.You can create other entries bySuitable for your basic laptop computer techniques usingfurther processing of the source (see the table “sony_nc_values”, combined with the addition of a newEnter this on the kitchen table with the names of your get / set methods to bemacro SNC_HANDLE_NAMES).

Your mission, if that suits you, is to find out thatThese inputs are for reading / writing random values from / to them.Files and try to figure out how it affects your laptop.

If you find something interesting, please let me know,I will not deny knowing your actions 🙂

Errors / Limitations:

However, this driver is not based on official Sony documentation.(since it is not there) so there is no guarantee for this working motor nowIt will be by going to everyone or doing the right thing. Although it is nota fact happened to me that the driver could cause very serious fearsA laptop that could be permanently damaged.
Sony and Sonypi notebook drivers are not related in any way. vin the future the Sonypi will certainly be discontinued and replaced by a Sony laptop.
spicctrl, p Commended user space tool for communicating withsonypi rider (via / dev / sonypi) is also deprecated like everythingits functions are now available through the sysfs tree of Sony notebooks.

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