{"id":255,"date":"2015-08-29T16:53:24","date_gmt":"2015-08-29T16:53:24","guid":{"rendered":"http:\/\/nyacom.net\/?p=255"},"modified":"2015-08-29T17:15:09","modified_gmt":"2015-08-29T17:15:09","slug":"post-255","status":"publish","type":"post","link":"https:\/\/nyacom.net\/?p=255","title":{"rendered":"Debian\u3067LCD\u8f1d\u5ea6\u3092\u8abf\u6574\u3059\u308b"},"content":{"rendered":"

Debian\u5165\u308a\u306e\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u3067X11\u8d77\u52d5\u6642\u306bLCD\u8f1d\u5ea6\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306e\u30e1\u30e2\u3002<\/p>\n

<\/p>\n

ThinkpadX220\u306b\u5165\u308c\u305fDebian\u3067X11\u3092\u8d77\u52d5\u3059\u308b\u3068\uff0cLCD\u8f1d\u5ea6\u304c\u6700\u5927\u8f1d\u5ea6\u306b\u306a\u3063\u3066\u3057\u307e\u3044\uff0c
\n\u660e\u308b\u3059\u304e\u308b\u306e\u3067\u521d\u671f\u5024\u3092\u8abf\u6574\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

# \u3068\u3044\u3046\u304b\u6700\u521d\u304b\u3089\u306a\u3093\u3068\u306a\u304f\u6700\u5927\u8f1d\u5ea6\u306b\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u3002<\/p>\n

\u30d5\u30ec\u30fc\u30e0\u30d0\u30c3\u30d5\u30a1\u306a\u30b3\u30f3\u30bd\u30fc\u30eb\u306eLCD\u8f1d\u5ea6\u306fACPI\u306a\u30de\u30b7\u30f3\u306e\u5834\u5408
\n\/sys\/class\/backlight\/intel_backlight \u4ee5\u4e0b\u306b\u3042\u308bbrightness\u5024\u3067\u8abf\u6574\u3067\u304d\u307e\u3059\u3002<\/p>\n

$:\/sys\/class\/backlight\/intel_backlight# ls\r\n actual_brightness\u00a0 bl_power\u00a0 brightness\u00a0 device\u00a0 max_brightness\u00a0 power\u00a0\u00a0 \u00a0subsystem\u00a0 type\u00a0 uevent\r\n $:\/sys\/class\/backlight\/intel_backlight# cat max_brightness\r\n 3000 <- \u6700\u5927\u5024\u306a\u306e\u3067\u3053\u308c\u4ee5\u4e0b\u306e\u5024\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3002\r\n $:\/sys\/class\/backlight\/intel_backlight# echo 1000 > brightness\r\n\r\n<\/pre>\n
X11\u306a\u3089xbacklight\u3063\u3066\u3044\u3046\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002(apt\u3067\u5165\u308b) \u3080\u3057\u308d\u3053\u3063\u3061\u306e\u307b\u3046\u304c\u7c21\u5358\u3067\u3059<\/p>\n
$:\/etc\/X11# xbacklight --help\r\nusage: xbacklight [options]\r\n\u00a0 where options are:\r\n\u00a0 -display <display> or -d <display>\r\n\u00a0 -help\r\n\u00a0 -set <percentage> or = <percentage>\r\n\u00a0 -inc <percentage> or + <percentage>\r\n\u00a0 -dec <percentage> or - <percentage>\r\n\u00a0 -get\r\n\u00a0 -time <fade time in milliseconds>\r\n\u00a0 -steps <number of steps in fade>\r\n$:\/etc\/X11# xbacklight -set 50 <- \u8f1d\u5ea650%<\/pre>\n
 <\/p>\n
\u3053\u308c\u3092”\u81ea\u52d5\u8d77\u52d5\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3”\u7b49\u3005\u306b\u767b\u9332\u3057\u3066\u304a\u3051\u3070X11\u306e\u6642\u306f\u826f\u3055\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Debian\u5165\u308a\u306e\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u3067X11\u8d77\u52d5\u6642\u306bLCD\u8f1d\u5ea6\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306e\u30e1\u30e2\u3002<\/p>\n","protected":false},"author":1,"featured_media":252,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[15,10,12,16],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-debian","category-gadget","category-linux","category-thinkpad"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/nyacom.net\/wp-content\/uploads\/2015\/08\/tux.png?fit=512%2C594&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6V68f-47","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nyacom.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=255"}],"version-history":[{"count":9,"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":269,"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/posts\/255\/revisions\/269"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nyacom.net\/index.php?rest_route=\/wp\/v2\/media\/252"}],"wp:attachment":[{"href":"https:\/\/nyacom.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nyacom.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nyacom.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}