From patchwork Mon Aug 13 10:19:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 10563999 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BBAC813B4 for ; Mon, 13 Aug 2018 10:20:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A5515290B1 for ; Mon, 13 Aug 2018 10:20:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 99D0C290D7; Mon, 13 Aug 2018 10:20:39 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 2EFA5290CE for ; Mon, 13 Aug 2018 10:20:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728622AbeHMNCO (ORCPT ); Mon, 13 Aug 2018 09:02:14 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:39737 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728461AbeHMNCO (ORCPT ); Mon, 13 Aug 2018 09:02:14 -0400 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w7DAJHps016027; Mon, 13 Aug 2018 12:19:59 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2ktkc3kwjc-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 13 Aug 2018 12:19:59 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 8EDF034; Mon, 13 Aug 2018 10:19:58 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 45041292E; Mon, 13 Aug 2018 10:19:58 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:19:58 +0200 Received: from localhost (10.201.23.73) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:19:57 +0200 From: Hugues Fruchet To: Steve Longerbeam , Sakari Ailus , Jacopo Mondi , Hans Verkuil , Mauro Carvalho Chehab CC: , Hugues Fruchet , Benjamin Gaignard Subject: [PATCH v2 1/5] media: ov5640: fix exposure regression Date: Mon, 13 Aug 2018 12:19:42 +0200 Message-ID: <1534155586-26974-2-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> References: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-13_03:,, signatures=0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP fixes: bf4a4b518c20 ("media: ov5640: Don't force the auto exposure state at start time"). Symptom was black image when capturing HD or 5Mp picture due to manual exposure set to 1 while it was intended to set autoexposure to "manual", fix this. Signed-off-by: Hugues Fruchet Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ov5640.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 1ecbb7a..4b9da8b 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -938,6 +938,12 @@ static int ov5640_load_regs(struct ov5640_dev *sensor, return ret; } +static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) +{ + return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, + BIT(0), on ? 0 : BIT(0)); +} + /* read exposure, in number of line periods */ static int ov5640_get_exposure(struct ov5640_dev *sensor) { @@ -1593,7 +1599,7 @@ static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, */ static int ov5640_set_mode_direct(struct ov5640_dev *sensor, const struct ov5640_mode_info *mode, - s32 exposure) + bool auto_exp) { int ret; @@ -1610,7 +1616,8 @@ static int ov5640_set_mode_direct(struct ov5640_dev *sensor, if (ret) return ret; - return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, exposure); + return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, auto_exp ? + V4L2_EXPOSURE_AUTO : V4L2_EXPOSURE_MANUAL); } static int ov5640_set_mode(struct ov5640_dev *sensor, @@ -1618,7 +1625,7 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, { const struct ov5640_mode_info *mode = sensor->current_mode; enum ov5640_downsize_mode dn_mode, orig_dn_mode; - s32 exposure; + bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; int ret; dn_mode = mode->dn_mode; @@ -1629,8 +1636,7 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, if (ret) return ret; - exposure = sensor->ctrls.auto_exp->val; - ret = ov5640_set_exposure(sensor, V4L2_EXPOSURE_MANUAL); + ret = ov5640_set_autoexposure(sensor, false); if (ret) return ret; @@ -1646,7 +1652,7 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, * change inside subsampling or scaling * download firmware directly */ - ret = ov5640_set_mode_direct(sensor, mode, exposure); + ret = ov5640_set_mode_direct(sensor, mode, auto_exp); } if (ret < 0) From patchwork Mon Aug 13 10:19:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 10563991 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B7A381815 for ; Mon, 13 Aug 2018 10:20:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A40D3290AD for ; Mon, 13 Aug 2018 10:20:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 971C1290C7; Mon, 13 Aug 2018 10:20:30 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 DB5EC290B2 for ; Mon, 13 Aug 2018 10:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728584AbeHMNBx (ORCPT ); Mon, 13 Aug 2018 09:01:53 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:29631 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728536AbeHMNBw (ORCPT ); Mon, 13 Aug 2018 09:01:52 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w7DAEadw025004; Mon, 13 Aug 2018 12:20:03 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2ku82h81h9-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 13 Aug 2018 12:20:03 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 88AC631; Mon, 13 Aug 2018 10:19:59 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 61A112926; Mon, 13 Aug 2018 10:19:59 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:19:59 +0200 Received: from localhost (10.201.23.73) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:19:58 +0200 From: Hugues Fruchet To: Steve Longerbeam , Sakari Ailus , Jacopo Mondi , Hans Verkuil , Mauro Carvalho Chehab CC: , Hugues Fruchet , Benjamin Gaignard Subject: [PATCH v2 2/5] media: ov5640: fix auto gain & exposure when changing mode Date: Mon, 13 Aug 2018 12:19:43 +0200 Message-ID: <1534155586-26974-3-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> References: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-13_03:,, signatures=0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Ensure that auto gain and auto exposure are well restored when changing mode. Signed-off-by: Hugues Fruchet --- drivers/media/i2c/ov5640.c | 96 ++++++++++++++++++++++++++-------------------- 1 file changed, 54 insertions(+), 42 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 4b9da8b..7c569de 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -1000,6 +1000,18 @@ static int ov5640_get_gain(struct ov5640_dev *sensor) return gain & 0x3ff; } +static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) +{ + return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, + (u16)gain & 0x3ff); +} + +static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) +{ + return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, + BIT(1), on ? 0 : BIT(1)); +} + static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) { int ret; @@ -1577,7 +1589,7 @@ static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, } /* set capture gain */ - ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16); + ret = ov5640_set_gain(sensor, cap_gain16); if (ret) return ret; @@ -1590,7 +1602,7 @@ static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, } /* set exposure */ - return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter); + return ov5640_set_exposure(sensor, cap_shutter); } /* @@ -1598,26 +1610,13 @@ static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, * change mode directly */ static int ov5640_set_mode_direct(struct ov5640_dev *sensor, - const struct ov5640_mode_info *mode, - bool auto_exp) + const struct ov5640_mode_info *mode) { - int ret; - if (!mode->reg_data) return -EINVAL; /* Write capture setting */ - ret = ov5640_load_regs(sensor, mode); - if (ret < 0) - return ret; - - /* turn auto gain/exposure back on for direct mode */ - ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1); - if (ret) - return ret; - - return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, auto_exp ? - V4L2_EXPOSURE_AUTO : V4L2_EXPOSURE_MANUAL); + return ov5640_load_regs(sensor, mode); } static int ov5640_set_mode(struct ov5640_dev *sensor, @@ -1625,6 +1624,7 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, { const struct ov5640_mode_info *mode = sensor->current_mode; enum ov5640_downsize_mode dn_mode, orig_dn_mode; + bool auto_gain = sensor->ctrls.auto_gain->val == 1; bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; int ret; @@ -1632,19 +1632,23 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, orig_dn_mode = orig_mode->dn_mode; /* auto gain and exposure must be turned off when changing modes */ - ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0); - if (ret) - return ret; + if (auto_gain) { + ret = ov5640_set_autogain(sensor, false); + if (ret) + return ret; + } - ret = ov5640_set_autoexposure(sensor, false); - if (ret) - return ret; + if (auto_exp) { + ret = ov5640_set_autoexposure(sensor, false); + if (ret) + goto restore_auto_gain; + } if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { /* * change between subsampling and scaling - * go through exposure calucation + * go through exposure calculation */ ret = ov5640_set_mode_exposure_calc(sensor, mode); } else { @@ -1652,11 +1656,16 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, * change inside subsampling or scaling * download firmware directly */ - ret = ov5640_set_mode_direct(sensor, mode, auto_exp); + ret = ov5640_set_mode_direct(sensor, mode); } - if (ret < 0) - return ret; + goto restore_auto_exp_gain; + + /* restore auto gain and exposure */ + if (auto_gain) + ov5640_set_autogain(sensor, true); + if (auto_exp) + ov5640_set_autoexposure(sensor, true); ret = ov5640_set_timings(sensor, mode); if (ret < 0) @@ -1681,6 +1690,15 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, sensor->pending_mode_change = false; return 0; + +restore_auto_exp_gain: + if (auto_exp) + ov5640_set_autoexposure(sensor, true); +restore_auto_gain: + if (auto_gain) + ov5640_set_autogain(sensor, true); + + return ret; } static int ov5640_set_framefmt(struct ov5640_dev *sensor, @@ -2141,20 +2159,20 @@ static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) return ret; } -static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp) +static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, + enum v4l2_exposure_auto_type auto_exposure) { struct ov5640_ctrls *ctrls = &sensor->ctrls; - bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO); + bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); int ret = 0; if (ctrls->auto_exp->is_new) { - ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, - BIT(0), auto_exposure ? 0 : BIT(0)); + ret = ov5640_set_autoexposure(sensor, auto_exp); if (ret) return ret; } - if (!auto_exposure && ctrls->exposure->is_new) { + if (!auto_exp && ctrls->exposure->is_new) { u16 max_exp; ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, @@ -2174,25 +2192,19 @@ static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp) return ret; } -static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain) +static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) { struct ov5640_ctrls *ctrls = &sensor->ctrls; int ret = 0; if (ctrls->auto_gain->is_new) { - ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, - BIT(1), - ctrls->auto_gain->val ? 0 : BIT(1)); + ret = ov5640_set_autogain(sensor, auto_gain); if (ret) return ret; } - if (!auto_gain && ctrls->gain->is_new) { - u16 gain = (u16)ctrls->gain->val; - - ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, - gain & 0x3ff); - } + if (!auto_gain && ctrls->gain->is_new) + ret = ov5640_set_gain(sensor, ctrls->gain->val); return ret; } From patchwork Mon Aug 13 10:19:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 10563995 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7D1FA1815 for ; Mon, 13 Aug 2018 10:20:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 68C83290A9 for ; Mon, 13 Aug 2018 10:20:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6730D290D0; Mon, 13 Aug 2018 10:20:31 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 9921D290A9 for ; Mon, 13 Aug 2018 10:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728527AbeHMNBp (ORCPT ); Mon, 13 Aug 2018 09:01:45 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:33661 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728055AbeHMNBo (ORCPT ); Mon, 13 Aug 2018 09:01:44 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w7DADpi1002434; Mon, 13 Aug 2018 12:20:01 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2kt9vrdfkp-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 13 Aug 2018 12:20:01 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A4A1434; Mon, 13 Aug 2018 10:20:00 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 8C3F02926; Mon, 13 Aug 2018 10:20:00 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:20:00 +0200 Received: from localhost (10.201.23.73) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:20:00 +0200 From: Hugues Fruchet To: Steve Longerbeam , Sakari Ailus , Jacopo Mondi , Hans Verkuil , Mauro Carvalho Chehab CC: , Hugues Fruchet , Benjamin Gaignard Subject: [PATCH v2 3/5] media: ov5640: fix wrong binning value in exposure calculation Date: Mon, 13 Aug 2018 12:19:44 +0200 Message-ID: <1534155586-26974-4-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> References: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-13_03:,, signatures=0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP ov5640_set_mode_exposure_calc() is checking binning value but binning value read is buggy, fix this. Rename ov5640_binning_on() to ov5640_get_binning() as per other similar functions. Signed-off-by: Hugues Fruchet --- drivers/media/i2c/ov5640.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 7c569de..9fb17b5 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -1349,7 +1349,7 @@ static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); } -static int ov5640_binning_on(struct ov5640_dev *sensor) +static int ov5640_get_binning(struct ov5640_dev *sensor) { u8 temp; int ret; @@ -1357,8 +1357,8 @@ static int ov5640_binning_on(struct ov5640_dev *sensor) ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); if (ret) return ret; - temp &= 0xfe; - return temp ? 1 : 0; + + return temp & BIT(0); } static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) @@ -1468,7 +1468,7 @@ static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, if (ret < 0) return ret; prev_shutter = ret; - ret = ov5640_binning_on(sensor); + ret = ov5640_get_binning(sensor); if (ret < 0) return ret; if (ret && mode->id != OV5640_MODE_720P_1280_720 && From patchwork Mon Aug 13 10:19:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 10564001 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 35A4D14E2 for ; Mon, 13 Aug 2018 10:20:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 20E0B290B1 for ; Mon, 13 Aug 2018 10:20:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1F1D2290CF; Mon, 13 Aug 2018 10:20:42 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 BBD09290B1 for ; Mon, 13 Aug 2018 10:20:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728661AbeHMNCR (ORCPT ); Mon, 13 Aug 2018 09:02:17 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:21024 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728461AbeHMNCR (ORCPT ); Mon, 13 Aug 2018 09:02:17 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w7DAEgrH025112; Mon, 13 Aug 2018 12:20:02 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2ku82h81h8-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 13 Aug 2018 12:20:02 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A15A138; Mon, 13 Aug 2018 10:20:01 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas21.st.com [10.75.90.44]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 8982C2926; Mon, 13 Aug 2018 10:20:01 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by SAFEX1HUBCAS21.st.com (10.75.90.44) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:20:01 +0200 Received: from localhost (10.201.23.73) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:20:01 +0200 From: Hugues Fruchet To: Steve Longerbeam , Sakari Ailus , Jacopo Mondi , Hans Verkuil , Mauro Carvalho Chehab CC: , Hugues Fruchet , Benjamin Gaignard Subject: [PATCH v2 4/5] media: ov5640: fix auto controls values when switching to manual mode Date: Mon, 13 Aug 2018 12:19:45 +0200 Message-ID: <1534155586-26974-5-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> References: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-13_03:,, signatures=0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When switching from auto to manual mode, V4L2 core is calling g_volatile_ctrl() in manual mode in order to get the manual initial value. Remove the manual mode check/return to not break this behaviour. Signed-off-by: Hugues Fruchet --- drivers/media/i2c/ov5640.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 9fb17b5..c110a6a 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -2277,16 +2277,12 @@ static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_AUTOGAIN: - if (!ctrl->val) - return 0; val = ov5640_get_gain(sensor); if (val < 0) return val; sensor->ctrls.gain->val = val; break; case V4L2_CID_EXPOSURE_AUTO: - if (ctrl->val == V4L2_EXPOSURE_MANUAL) - return 0; val = ov5640_get_exposure(sensor); if (val < 0) return val; From patchwork Mon Aug 13 10:19:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 10563989 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5F5E813B4 for ; Mon, 13 Aug 2018 10:20:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BF84290C8 for ; Mon, 13 Aug 2018 10:20:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3415F290B1; Mon, 13 Aug 2018 10:20:30 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 BA011290B1 for ; Mon, 13 Aug 2018 10:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728578AbeHMNBv (ORCPT ); Mon, 13 Aug 2018 09:01:51 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:39709 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728055AbeHMNBv (ORCPT ); Mon, 13 Aug 2018 09:01:51 -0400 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w7DAJHSe016033; Mon, 13 Aug 2018 12:20:03 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2ktkc3kwjj-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 13 Aug 2018 12:20:03 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A6FA634; Mon, 13 Aug 2018 10:20:02 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 8B309292E; Mon, 13 Aug 2018 10:20:02 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:20:02 +0200 Received: from localhost (10.201.23.73) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 13 Aug 2018 12:20:02 +0200 From: Hugues Fruchet To: Steve Longerbeam , Sakari Ailus , Jacopo Mondi , Hans Verkuil , Mauro Carvalho Chehab CC: , Hugues Fruchet , Benjamin Gaignard Subject: [PATCH v2 5/5] media: ov5640: fix restore of last mode set Date: Mon, 13 Aug 2018 12:19:46 +0200 Message-ID: <1534155586-26974-6-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> References: <1534155586-26974-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-13_03:,, signatures=0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Mode setting depends on last mode set, in particular because of exposure calculation when downscale mode change between subsampling and scaling. At stream on the last mode was wrongly set to current mode, so no change was detected and exposure calculation was not made, fix this. Signed-off-by: Hugues Fruchet --- drivers/media/i2c/ov5640.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index c110a6a..923cc30 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -225,6 +225,7 @@ struct ov5640_dev { struct v4l2_mbus_framefmt fmt; const struct ov5640_mode_info *current_mode; + const struct ov5640_mode_info *last_mode; enum ov5640_frame_rate current_fr; struct v4l2_fract frame_interval; @@ -1628,6 +1629,9 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; int ret; + if (!orig_mode) + orig_mode = mode; + dn_mode = mode->dn_mode; orig_dn_mode = orig_mode->dn_mode; @@ -1688,6 +1692,7 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, return ret; sensor->pending_mode_change = false; + sensor->last_mode = mode; return 0; @@ -2551,7 +2556,8 @@ static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) if (sensor->streaming == !enable) { if (enable && sensor->pending_mode_change) { - ret = ov5640_set_mode(sensor, sensor->current_mode); + ret = ov5640_set_mode(sensor, sensor->last_mode); + if (ret) goto out;