€•5      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ./translations/zh_CN/leds/leds-class-multicolor”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ./translations/zh_TW/leds/leds-class-multicolor”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ./translations/it_IT/leds/leds-class-multicolor”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ./translations/ja_JP/leds/leds-class-multicolor”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ./translations/ko_KR/leds/leds-class-multicolor”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ./translations/sp_SP/leds/leds-class-multicolor”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1h¡hhhžhhŸŒH/var/lib/git/docbuild/linux/Documentation/leds/leds-class-multicolor.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒ#Multicolor LED handling under Linux”h]”hŒ#Multicolor LED handling under Linux”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒDescription”h]”hŒDescription”…””}”(hhÌhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hhÉhžhhŸh³h KubhŒ	paragraph”“”)”}”(hŒìThe multicolor class groups monochrome LEDs and allows controlling two
aspects of the final combined color: hue and lightness. The former is
controlled via the multi_intensity array file and the latter is controlled
via brightness file.”h]”hŒìThe multicolor class groups monochrome LEDs and allows controlling two
aspects of the final combined color: hue and lightness. The former is
controlled via the multi_intensity array file and the latter is controlled
via brightness file.”…””}”(hhÜhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K	hhÉhžhubeh}”(h]”Œdescription”ah ]”h"]”Œdescription”ah$]”h&]”uh1h´hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒMulticolor Class Control”h]”hŒMulticolor Class Control”…””}”(hhõhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hhòhžhhŸh³h KubhÛ)”}”(hX  The multicolor class presents files that groups the colors as indexes in an
array.  These files are children under the LED parent node created by the
led_class framework.  The led_class framework is documented in led-class.rst
within this documentation directory.”h]”hX  The multicolor class presents files that groups the colors as indexes in an
array.  These files are children under the LED parent node created by the
led_class framework.  The led_class framework is documented in led-class.rst
within this documentation directory.”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KhhòhžhubhÛ)”}”(hŒ³Each colored LED will be indexed under the multi_* files. The order of the
colors will be arbitrary. The multi_index file can be read to determine the
color name to indexed value.”h]”hŒ³Each colored LED will be indexed under the multi_* files. The order of the
colors will be arbitrary. The multi_index file can be read to determine the
color name to indexed value.”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KhhòhžhubhÛ)”}”(hŒ|The multi_index file is an array that contains the string list of the colors as
they are defined in each multi_* array file.”h]”hŒ|The multi_index file is an array that contains the string list of the colors as
they are defined in each multi_* array file.”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KhhòhžhubhÛ)”}”(hŒÊThe multi_intensity is an array that can be read or written to for the
individual color intensities.  All elements within this array must be written in
order for the color LED intensities to be updated.”h]”hŒÊThe multi_intensity is an array that can be read or written to for the
individual color intensities.  All elements within this array must be written in
order for the color LED intensities to be updated.”…””}”(hj-  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h Khhòhžhubeh}”(h]”Œmulticolor-class-control”ah ]”h"]”Œmulticolor class control”ah$]”h&]”uh1h´hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒDirectory Layout Example”h]”hŒDirectory Layout Example”…””}”(hjF  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjC  hžhhŸh³h K!ubhÛ)”}”(hXH  root:/sys/class/leds/multicolor:status# ls -lR
-rw-r--r--    1 root     root          4096 Oct 19 16:16 brightness
-r--r--r--    1 root     root          4096 Oct 19 16:16 max_brightness
-r--r--r--    1 root     root          4096 Oct 19 16:16 multi_index
-rw-r--r--    1 root     root          4096 Oct 19 16:16 multi_intensity”h]”hXH  root:/sys/class/leds/multicolor:status# ls -lR
-rw-r--r--    1 root     root          4096 Oct 19 16:16 brightness
-r--r--r--    1 root     root          4096 Oct 19 16:16 max_brightness
-r--r--r--    1 root     root          4096 Oct 19 16:16 multi_index
-rw-r--r--    1 root     root          4096 Oct 19 16:16 multi_intensity”…””}”(hjT  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K"hjC  hžhubeh}”(h]”Œdirectory-layout-example”ah ]”h"]”Œdirectory layout example”ah$]”h&]”uh1h´hh¶hžhhŸh³h K!ubhµ)”}”(hhh]”(hº)”}”(hŒ#Multicolor Class Brightness Control”h]”hŒ#Multicolor Class Brightness Control”…””}”(hjm  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjj  hžhhŸh³h K)ubhÛ)”}”(hŒ­The brightness level for each LED is calculated based on the color LED
intensity setting divided by the global max_brightness setting multiplied by
the requested brightness.”h]”hŒ­The brightness level for each LED is calculated based on the color LED
intensity setting divided by the global max_brightness setting multiplied by
the requested brightness.”…””}”(hj{  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K*hjj  hžhubhÛ)”}”(hŒ<led_brightness = brightness * multi_intensity/max_brightness”h]”hŒ<led_brightness = brightness * multi_intensity/max_brightness”…””}”(hj‰  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K.hjj  hžhubhÛ)”}”(hŒ¯Example:
A user first writes the multi_intensity file with the brightness levels
for each LED that are necessary to achieve a certain color output from a
multicolor LED group.”h]”hŒ¯Example:
A user first writes the multi_intensity file with the brightness levels
for each LED that are necessary to achieve a certain color output from a
multicolor LED group.”…””}”(hj—  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K0hjj  hžhubhÛ)”}”(hŒ@cat /sys/class/leds/multicolor:status/multi_index
green blue red”h]”hŒ@cat /sys/class/leds/multicolor:status/multi_index
green blue red”…””}”(hj¥  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K5hjj  hžhubhÛ)”}”(hŒCecho 43 226 138 > /sys/class/leds/multicolor:status/multi_intensity”h]”hŒCecho 43 226 138 > /sys/class/leds/multicolor:status/multi_intensity”…””}”(hj³  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K8hjj  hžhubhŒdefinition_list”“”)”}”(hhh]”(hŒdefinition_list_item”“”)”}”(hŒ*red -
intensity = 138
max_brightness = 255”h]”(hŒterm”“”)”}”(hŒred -”h]”hŒred -”…””}”(hjÎ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jÌ  hŸh³h K;hjÈ  ubhŒ
definition”“”)”}”(hhh]”hÛ)”}”(hŒ$intensity = 138
max_brightness = 255”h]”hŒ$intensity = 138
max_brightness = 255”…””}”(hjá  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K;hjÞ  ubah}”(h]”h ]”h"]”h$]”h&]”uh1jÜ  hjÈ  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÆ  hŸh³h K;hjÃ  ubjÇ  )”}”(hŒ+green -
intensity = 43
max_brightness = 255”h]”(jÍ  )”}”(hŒgreen -”h]”hŒgreen -”…””}”(hjÿ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jÌ  hŸh³h K>hjû  ubjÝ  )”}”(hhh]”hÛ)”}”(hŒ#intensity = 43
max_brightness = 255”h]”hŒ#intensity = 43
max_brightness = 255”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h K>hj  ubah}”(h]”h ]”h"]”h$]”h&]”uh1jÜ  hjû  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÆ  hŸh³h K>hjÃ  hžhubjÇ  )”}”(hŒ,blue -
intensity = 226
max_brightness = 255
”h]”(jÍ  )”}”(hŒblue -”h]”hŒblue -”…””}”(hj.  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jÌ  hŸh³h KBhj*  ubjÝ  )”}”(hhh]”hÛ)”}”(hŒ$intensity = 226
max_brightness = 255”h]”hŒ$intensity = 226
max_brightness = 255”…””}”(hj?  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KAhj<  ubah}”(h]”h ]”h"]”h$]”h&]”uh1jÜ  hj*  ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÆ  hŸh³h KBhjÃ  hžhubeh}”(h]”h ]”h"]”h$]”h&]”uh1jÁ  hjj  hžhhŸh³h NubhÛ)”}”(hXP  The user can control the brightness of that multicolor LED group by writing the
global 'brightness' control.  Assuming a max_brightness of 255 the user
may want to dim the LED color group to half.  The user would write a value of
128 to the global brightness file then the values written to each LED will be
adjusted base on this value.”h]”hXT  The user can control the brightness of that multicolor LED group by writing the
global â€˜brightnessâ€™ control.  Assuming a max_brightness of 255 the user
may want to dim the LED color group to half.  The user would write a value of
128 to the global brightness file then the values written to each LED will be
adjusted base on this value.”…””}”(hj_  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KDhjj  hžhubhÛ)”}”(hŒpcat /sys/class/leds/multicolor:status/max_brightness
255
echo 128 > /sys/class/leds/multicolor:status/brightness”h]”hŒpcat /sys/class/leds/multicolor:status/max_brightness
255
echo 128 > /sys/class/leds/multicolor:status/brightness”…””}”(hjm  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KJhjj  hžhubhÛ)”}”(hŒzadjusted_red_value = 128 * 138/255 = 69
adjusted_green_value = 128 * 43/255 = 21
adjusted_blue_value = 128 * 226/255 = 113”h]”hŒzadjusted_red_value = 128 * 138/255 = 69
adjusted_green_value = 128 * 43/255 = 21
adjusted_blue_value = 128 * 226/255 = 113”…””}”(hj{  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KNhjj  hžhubhÛ)”}”(hŒcReading the global brightness file will return the current brightness value of
the color LED group.”h]”hŒcReading the global brightness file will return the current brightness value of
the color LED group.”…””}”(hj‰  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KRhjj  hžhubhÛ)”}”(hŒ4cat /sys/class/leds/multicolor:status/brightness
128”h]”hŒ4cat /sys/class/leds/multicolor:status/brightness
128”…””}”(hj—  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÚhŸh³h KUhjj  hžhubeh}”(h]”Œ#multicolor-class-brightness-control”ah ]”h"]”Œ#multicolor class brightness control”ah$]”h&]”uh1h´hh¶hžhhŸh³h K)ubeh}”(h]”Œ#multicolor-led-handling-under-linux”ah ]”h"]”Œ#multicolor led handling under linux”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jØ  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h³Œ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j²  j¯  hïhìj@  j=  jg  jd  jª  j§  uŒ	nametypes”}”(j²  ‰hï‰j@  ‰jg  ‰jª  ‰uh}”(j¯  h¶hìhÉj=  hòjd  jC  j§  jj  uŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
decoration”Nhžhub.