From patchwork Mon Sep 13 13:12:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 510507 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45EDBC4332F for ; Mon, 13 Sep 2021 14:25:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3348D60EC0 for ; Mon, 13 Sep 2021 14:25:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345801AbhIMO1C (ORCPT ); Mon, 13 Sep 2021 10:27:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:45636 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346593AbhIMOY4 (ORCPT ); Mon, 13 Sep 2021 10:24:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A9A8A61155; Mon, 13 Sep 2021 13:48:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631540919; bh=FVmS1h5hXXW0B7vmiVB4dQsfTg5klaEqvNcxlRdaTp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UPk6qg7MmfN+fDZMb2E1A9EaEqhnZvDoM/uhXDfAfOQVU8gnYtZO9pIkPCHLeRnkU BGicOcfxXhemvCfApszMrYl+DewYUyj1C0HPX0P/8boHMjX2zCBMj9bsjX4EWR2h3k SFUw2sKp88s6qEPF1x1sBhHG2+MCnahFP5nMpdaM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Halasa , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.14 088/334] media: TDA1997x: enable EDID support Date: Mon, 13 Sep 2021 15:12:22 +0200 Message-Id: <20210913131116.357689361@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210913131113.390368911@linuxfoundation.org> References: <20210913131113.390368911@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Krzysztof Hałasa [ Upstream commit ea3e1c36e38810427485f06c2becc1f29e54521d ] Without this patch, the TDA19971 chip's EDID is inactive. EDID never worked with this driver, it was all tested with HDMI signal sources which don't need EDID support. Signed-off-by: Krzysztof Halasa Fixes: 9ac0038db9a7 ("media: i2c: Add TDA1997x HDMI receiver driver") Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/i2c/tda1997x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c index 91e6db847bb5..3a191e257fad 100644 --- a/drivers/media/i2c/tda1997x.c +++ b/drivers/media/i2c/tda1997x.c @@ -2233,6 +2233,7 @@ static int tda1997x_core_init(struct v4l2_subdev *sd) /* get initial HDMI status */ state->hdmi_status = io_read(sd, REG_HDMI_FLAGS); + io_write(sd, REG_EDID_ENABLE, EDID_ENABLE_A_EN | EDID_ENABLE_B_EN); return 0; }