{"action":"created","issue":{"url":"https://api.github.com/repos/raspberrypi/firmware/issues/590","repository_url":"https://api.github.com/repos/raspberrypi/firmware","labels_url":"https://api.github.com/repos/raspberrypi/firmware/issues/590/labels{/name}","comments_url":"https://api.github.com/repos/raspberrypi/firmware/issues/590/comments","events_url":"https://api.github.com/repos/raspberrypi/firmware/issues/590/events","html_url":"https://github.com/raspberrypi/firmware/issues/590","id":150141034,"number":590,"title":"A change around 4.4.6 causes SPI LCD to go blank (white screen)","user":{"login":"alexruffell","id":4006944,"avatar_url":"https://avatars.githubusercontent.com/u/4006944?v=3","gravatar_id":"","url":"https://api.github.com/users/alexruffell","html_url":"https://github.com/alexruffell","followers_url":"https://api.github.com/users/alexruffell/followers","following_url":"https://api.github.com/users/alexruffell/following{/other_user}","gists_url":"https://api.github.com/users/alexruffell/gists{/gist_id}","starred_url":"https://api.github.com/users/alexruffell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alexruffell/subscriptions","organizations_url":"https://api.github.com/users/alexruffell/orgs","repos_url":"https://api.github.com/users/alexruffell/repos","events_url":"https://api.github.com/users/alexruffell/events{/privacy}","received_events_url":"https://api.github.com/users/alexruffell/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2016-04-21T17:32:15Z","updated_at":"2016-04-22T14:07:35Z","closed_at":null,"body":"Somewhere after e484afecfa0ae694965ba33ed40bb864cd8f3aa6 update, my two RPIs (r2 & r3) running standard Jessie stopped displaying anything on their WaveShare 4\" SPI LCD screens. The screens went completely white. By regressing to an older version of the RPI firmware the screen starts working again. Bare with me for the little technical details I can provide...\r\n\r\nI was using WaveShare overlays https://github.com/swkim01/waveshare-dtoverlays and very basic settings in a few other files as detailed in swkim01's github page. "},"comment":{"url":"https://api.github.com/repos/raspberrypi/firmware/issues/comments/213442078","html_url":"https://github.com/raspberrypi/firmware/issues/590#issuecomment-213442078","issue_url":"https://api.github.com/repos/raspberrypi/firmware/issues/590","id":213442078,"user":{"login":"pelwell","id":8911409,"avatar_url":"https://avatars.githubusercontent.com/u/8911409?v=3","gravatar_id":"","url":"https://api.github.com/users/pelwell","html_url":"https://github.com/pelwell","followers_url":"https://api.github.com/users/pelwell/followers","following_url":"https://api.github.com/users/pelwell/following{/other_user}","gists_url":"https://api.github.com/users/pelwell/gists{/gist_id}","starred_url":"https://api.github.com/users/pelwell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pelwell/subscriptions","organizations_url":"https://api.github.com/users/pelwell/orgs","repos_url":"https://api.github.com/users/pelwell/repos","events_url":"https://api.github.com/users/pelwell/events{/privacy}","received_events_url":"https://api.github.com/users/pelwell/received_events","type":"User","site_admin":false},"created_at":"2016-04-22T14:07:35Z","updated_at":"2016-04-22T14:07:35Z","body":"Try these files:\r\n[waveshare32b.dtbo](https://drive.google.com/file/d/0B8VsfKAD4-NOUEhUeEZNcHh1VVU/view?usp=sharing)\r\n[waveshare35a.dtbo](https://drive.google.com/file/d/0B8VsfKAD4-NOMU5Pcy1hRWJmTmM/view?usp=sharing)\r\n\r\nYou may also get away with renaming your existing \"name-overlay.dtb\"s to \"name.dtbo\"s."}}