{"action":"opened","issue":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/1046","labels_url":"https://api.github.com/repos/raspberrypi/linux/issues/1046/labels{/name}","comments_url":"https://api.github.com/repos/raspberrypi/linux/issues/1046/comments","events_url":"https://api.github.com/repos/raspberrypi/linux/issues/1046/events","html_url":"https://github.com/raspberrypi/linux/issues/1046","id":93001454,"number":1046,"title":"Wrong I2S alt settings in DT","user":{"login":"HiassofT","id":3920953,"avatar_url":"https://avatars.githubusercontent.com/u/3920953?v=3","gravatar_id":"","url":"https://api.github.com/users/HiassofT","html_url":"https://github.com/HiassofT","followers_url":"https://api.github.com/users/HiassofT/followers","following_url":"https://api.github.com/users/HiassofT/following{/other_user}","gists_url":"https://api.github.com/users/HiassofT/gists{/gist_id}","starred_url":"https://api.github.com/users/HiassofT/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/HiassofT/subscriptions","organizations_url":"https://api.github.com/users/HiassofT/orgs","repos_url":"https://api.github.com/users/HiassofT/repos","events_url":"https://api.github.com/users/HiassofT/events{/privacy}","received_events_url":"https://api.github.com/users/HiassofT/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-04T10:52:25Z","updated_at":"2015-07-04T10:52:25Z","closed_at":null,"body":"The I2S alt settings changes in commits 93e9bd0 / 0bc6395 don't seem to be correct for the B+ and 2B (and I guess also for the CM). On GPIOs 18-21 they should be kept at Alt0. That's also what the Alt table in the datasheet says.\r\n\r\nI've only tested with the (not in tree) Cirrus driver on a RPi2, using Alt0 works fine, Alt2 breaks audio.\r\n\r\nping @pelwell @popcornmix"}}