From patchwork Mon Sep 11 22:26:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 9948179 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7392E6035D for ; Mon, 11 Sep 2017 22:27:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 61DB42684F for ; Mon, 11 Sep 2017 22:27:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 567BA289FB; Mon, 11 Sep 2017 22:27:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D39E92684F for ; Mon, 11 Sep 2017 22:26:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751047AbdIKW07 (ORCPT ); Mon, 11 Sep 2017 18:26:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:51118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750926AbdIKW06 (ORCPT ); Mon, 11 Sep 2017 18:26:58 -0400 Received: from localhost.localdomain (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E66BA2190B; Mon, 11 Sep 2017 22:26:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E66BA2190B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=kbingham@kernel.org From: Kieran Bingham To: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org, mchehab@kernel.org Cc: niklas.soderlund@ragnatech.se, Simon Yuan , Kieran Bingham Subject: [PATCH] media: i2c: adv748x: Map v4l2_std_id to the internal reg value Date: Mon, 11 Sep 2017 23:26:53 +0100 Message-Id: <1505168813-13529-1-git-send-email-kbingham@kernel.org> X-Mailer: git-send-email 2.7.4 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Simon Yuan The video standard was not mapped to the corresponding value of the internal video standard in adv748x_afe_querystd, causing the wrong video standard to be selected. Fixes: 3e89586a64df ("media: i2c: adv748x: add adv748x driver") Signed-off-by: Simon Yuan [Kieran: Obtain the std from the afe->curr_norm] Signed-off-by: Kieran Bingham --- Simon, I've added your implicit Signed-off-by tag as part of resubmitting this patch. Please confirm your agreement to this! drivers/media/i2c/adv748x/adv748x-afe.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/adv748x/adv748x-afe.c b/drivers/media/i2c/adv748x/adv748x-afe.c index 134d981d69d3..5188178588c9 100644 --- a/drivers/media/i2c/adv748x/adv748x-afe.c +++ b/drivers/media/i2c/adv748x/adv748x-afe.c @@ -217,6 +217,7 @@ static int adv748x_afe_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) { struct adv748x_afe *afe = adv748x_sd_to_afe(sd); struct adv748x_state *state = adv748x_afe_to_state(afe); + int afe_std; int ret; mutex_lock(&state->mutex); @@ -235,8 +236,12 @@ static int adv748x_afe_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) /* Read detected standard */ ret = adv748x_afe_status(afe, NULL, std); + afe_std = adv748x_afe_std(afe->curr_norm); + if (afe_std < 0) + goto unlock; + /* Restore original state */ - adv748x_afe_set_video_standard(state, afe->curr_norm); + adv748x_afe_set_video_standard(state, afe_std); unlock: mutex_unlock(&state->mutex);