From patchwork Wed Sep 30 15:28:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 11809481 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9CF6B92C for ; Wed, 30 Sep 2020 15:29:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8910620789 for ; Wed, 30 Sep 2020 15:29:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731080AbgI3P3R (ORCPT ); Wed, 30 Sep 2020 11:29:17 -0400 Received: from retiisi.org.uk ([95.216.213.190]:44644 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731059AbgI3P3Q (ORCPT ); Wed, 30 Sep 2020 11:29:16 -0400 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id B713F634CFB for ; Wed, 30 Sep 2020 18:28:53 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH 088/100] ccs: Add digital gain support Date: Wed, 30 Sep 2020 18:28:46 +0300 Message-Id: <20200930152858.8471-89-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 CCS supports global (all-component) digital gain. Add support for it. Signed-off-by: Sakari Ailus --- drivers/media/i2c/ccs/ccs-core.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 00a1ea46f25a..1cb46de003e5 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -669,6 +669,11 @@ static int ccs_set_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_ANALOGUE_GAIN: rval = ccs_write(sensor, ANALOG_GAIN_CODE_GLOBAL, ctrl->val); + break; + + case V4L2_CID_DIGITAL_GAIN: + rval = ccs_write(sensor, DIGITAL_GAIN_GLOBAL, ctrl->val); + break; case V4L2_CID_EXPOSURE: rval = ccs_write(sensor, COARSE_INTEGRATION_TIME, ctrl->val); @@ -738,7 +743,7 @@ 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, 12); + rval = v4l2_ctrl_handler_init(&sensor->pixel_array->ctrl_handler, 13); if (rval) return rval; @@ -752,6 +757,16 @@ static int ccs_init_controls(struct ccs_sensor *sensor) max(CCS_LIM(sensor, ANALOG_GAIN_CODE_STEP), 1U), CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); + if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == + CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL) + v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, + &ccs_ctrl_ops, V4L2_CID_DIGITAL_GAIN, + CCS_LIM(sensor, DIGITAL_GAIN_MIN), + CCS_LIM(sensor, DIGITAL_GAIN_MAX), + max(CCS_LIM(sensor, DIGITAL_GAIN_STEP_SIZE), + 1U), + 0x100); + /* Exposure limits will be updated soon, use just something here. */ sensor->exposure = v4l2_ctrl_new_std( &sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops,