Hello ,
below is detail hardware configure for laptop dell 5491.
Bios: 1.11.1
CPU: i5-8300H @2.3G
Memory: 8G DDR4 2666MHZ
Mainboard: DELL 0NFNN4 (CM246 Chipsets)
SSD: Toshiba 256G NVME (primary)
HDD: SATA ST1000LM049 (second)
Sound: Realtek ALC256
Lan: Intel I219LM7
Wireless/Bluetooth: Qualcomm QCA61X4A 802.11AC
TrackPad Hardware ID : ACPI\VEN_DELL&DEV_0818 (I2C HID )
I has been completely install Catalina 10.15.4 on my laptop .
I want add adjust screen brightness function into my laptop via add patch into dsdt.aml .
Frist i got dsdt.aml file on clover start menu via press FN+F4 , then i got dsdt.dsl file via type command " tonykai@MacBook-Pro acpi % iasl -da -dl *.aml " on terminal .
final , i add blow patch into dsdt.aml file via Maciasl.app , but system showed a error information to me " input file does not appear to be an ASL or data table source file " when execute compile .
below is patch content .
#Maintained by: RehabMan for: Laptop Patches
#graphics_PNLF.txt
# This patch enables the brightness slider in SysPrefs->Displays
# and will also enable activation of sleep mode by closing
# the laptop lid.
# This patch is a “basic” PNLF patch and doesn’t attempt
# to fix various common problems with the backlight control.
#
# For advanced patches, see:
# graphics_PNLF_ivy_sandy.txt
# graphics_PNLF_haswell.txt
#
into_all device label PNLF remove_entry;
into definitionblock code_regex . insert
begin
Scope (_SB)\n
{\n
Device (PNLF)\n
{\n
Name (_ADR, Zero)\n
Name (_HID, EisaId (“APP0002”))\n
Name (_CID, “backlight”)\n
Name (_UID, 10)\n
Name (_STA, 0x0B)\n
}\n
}\n
end;
# to avoid conflict with root scope PNLF
into_all method code_regex Store\s+\(PNLF,\s+(.*)\) replaceall_matched begin Store(\\PNLF, %1) end;
By the way ,
attachment is error information photo and my dsdt.aml file and current config.plist file.
Please help me and give some suggestions .
Thank you .
acpi.zip
error_edit_dsdt2.jpg.zip
config.plist.zip