From patchwork Wed Jun 16 05:13:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Krzysztof_Ha=C5=82asa?= X-Patchwork-Id: 462562 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=-15.8 required=3.0 tests=BAYES_00,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 autolearn=unavailable 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 EF9F5C48BE6 for ; Wed, 16 Jun 2021 05:14:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 86BDA61351 for ; Wed, 16 Jun 2021 05:14:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230319AbhFPFQG (ORCPT ); Wed, 16 Jun 2021 01:16:06 -0400 Received: from ni.piap.pl ([195.187.100.5]:35862 "EHLO ni.piap.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbhFPFQF (ORCPT ); Wed, 16 Jun 2021 01:16:05 -0400 Received: from t19.piap.pl (OSB1819.piap.pl [10.0.9.19]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ni.piap.pl (Postfix) with ESMTPSA id 144EB444303; Wed, 16 Jun 2021 07:13:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 ni.piap.pl 144EB444303 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=piap.pl; s=mail; t=1623820436; bh=c/pH9U+Ve+BSKl9inLEXRVuYQI7VKgWmeCogGi08N8Y=; h=From:To:Cc:Subject:Date:From; b=GiPW3wN08r3ictYZ5BYkDFYy0SitE0zaF83usyVCIeUEji/FLl9+rLDA4QSe3WNXl AwRMm8gtyL4iQ0eJ/uc8481vvKQXtGOm2GybRPtVDHHrIm2G5/KGlcN/ogc/ChBO55 xe52484+a17wW1/cXNkuQzuwVTOSsrmlXWn4gB4Y= From: Krzysztof =?utf-8?q?Ha=C5=82asa?= To: Tim Harvey Cc: Mauro Carvalho Chehab , linux-media@vger.kernel.org, lkml Subject: [PATCH v2] TDA1997x: enable EDID support Sender: khalasa@piap.pl Date: Wed, 16 Jun 2021 07:13:55 +0200 Message-ID: MIME-Version: 1.0 X-KLMS-Rule-ID: 4 X-KLMS-Message-Action: skipped X-KLMS-AntiSpam-Status: not scanned, whitelist X-KLMS-AntiPhishing: not scanned, whitelist X-KLMS-AntiVirus: Kaspersky Security for Linux Mail Server, version 8.0.3.30, not scanned, whitelist Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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") --- 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; }