From patchwork Wed Sep 30 15:28:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 255530 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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 1DC20C4727E for ; Wed, 30 Sep 2020 15:29:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C47CD20759 for ; Wed, 30 Sep 2020 15:29:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731068AbgI3P3U (ORCPT ); Wed, 30 Sep 2020 11:29:20 -0400 Received: from retiisi.org.uk ([95.216.213.190]:44670 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731070AbgI3P3S (ORCPT ); Wed, 30 Sep 2020 11:29:18 -0400 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id 37457634CC1 for ; Wed, 30 Sep 2020 18:28:54 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH 094/100] ccs: Add support for analogue gain coefficient controls Date: Wed, 30 Sep 2020 18:28:52 +0300 Message-Id: <20200930152858.8471-95-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200930152858.8471-1-sakari.ailus@linux.intel.com> References: <20200930152858.8471-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add four controls for reading CCS analogue gain coefficients. The values are constants that are device specific. Signed-off-by: Sakari Ailus --- drivers/media/i2c/ccs/ccs-core.c | 38 ++++++++++++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 0b0165f5a28b..21afdf70038d 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -28,6 +28,7 @@ #include #include #include +#include #include "ccs.h" @@ -770,14 +771,46 @@ static int ccs_init_controls(struct ccs_sensor *sensor) struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); int rval; - rval = v4l2_ctrl_handler_init(&sensor->pixel_array->ctrl_handler, 13); + rval = v4l2_ctrl_handler_init(&sensor->pixel_array->ctrl_handler, 17); if (rval) return rval; sensor->pixel_array->ctrl_handler.lock = &sensor->mutex; switch (CCS_LIM(sensor, ANALOG_GAIN_CAPABILITY)) { - case CCS_ANALOG_GAIN_CAPABILITY_GLOBAL: + case CCS_ANALOG_GAIN_CAPABILITY_GLOBAL: { + struct { + const char *name; + u32 id; + s32 value; + } const gain_ctrls[] = { + { "Analogue Gain m0", V4L2_CID_CCS_ANALOGUE_GAIN_M0, + CCS_LIM(sensor, ANALOG_GAIN_M0), }, + { "Analogue Gain c0", V4L2_CID_CCS_ANALOGUE_GAIN_C0, + CCS_LIM(sensor, ANALOG_GAIN_C0), }, + { "Analogue Gain m1", V4L2_CID_CCS_ANALOGUE_GAIN_M1, + CCS_LIM(sensor, ANALOG_GAIN_M1), }, + { "Analogue Gain c1", V4L2_CID_CCS_ANALOGUE_GAIN_C1, + CCS_LIM(sensor, ANALOG_GAIN_C1), }, + }; + struct v4l2_ctrl_config ctrl_cfg = { + .type = V4L2_CTRL_TYPE_INTEGER, + .ops = &ccs_ctrl_ops, + .flags = V4L2_CTRL_FLAG_READ_ONLY, + .step = 1, + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(gain_ctrls); i++) { + ctrl_cfg.name = gain_ctrls[i].name; + ctrl_cfg.id = gain_ctrls[i].id; + ctrl_cfg.min = ctrl_cfg.max = ctrl_cfg.def = + gain_ctrls[i].value; + + v4l2_ctrl_new_custom(&sensor->pixel_array->ctrl_handler, + &ctrl_cfg, NULL); + } + v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN), @@ -786,6 +819,7 @@ static int ccs_init_controls(struct ccs_sensor *sensor) 1U), CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); } + } if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL ||