From patchwork Wed Oct 7 08:45:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 11820079 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 C86281580 for ; Wed, 7 Oct 2020 08:46:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AED122080A for ; Wed, 7 Oct 2020 08:46:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728078AbgJGIqa (ORCPT ); Wed, 7 Oct 2020 04:46:30 -0400 Received: from retiisi.org.uk ([95.216.213.190]:57052 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727458AbgJGIqS (ORCPT ); Wed, 7 Oct 2020 04:46:18 -0400 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id D3051634CA5 for ; Wed, 7 Oct 2020 11:45:22 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH v2 097/106] ccs: Only add analogue gain control if the device supports it Date: Wed, 7 Oct 2020 11:45:48 +0300 Message-Id: <20201007084557.25843-88-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201007084557.25843-1-sakari.ailus@linux.intel.com> References: <20201007084505.25761-1-sakari.ailus@linux.intel.com> <20201007084557.25843-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Some devices do not implement analogue gain this way. Only add the control when a device does have the support. Signed-off-by: Sakari Ailus --- drivers/media/i2c/ccs/ccs-core.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 6601ed8e72be..d6d6aeceb415 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -778,12 +778,16 @@ static int ccs_init_controls(struct ccs_sensor *sensor) sensor->pixel_array->ctrl_handler.lock = &sensor->mutex; - v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops, - V4L2_CID_ANALOGUE_GAIN, - CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN), - CCS_LIM(sensor, ANALOG_GAIN_CODE_MAX), - max(CCS_LIM(sensor, ANALOG_GAIN_CODE_STEP), 1U), - CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); + switch (CCS_LIM(sensor, ANALOG_GAIN_CAPABILITY)) { + case CCS_ANALOG_GAIN_CAPABILITY_GLOBAL: + v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, + &ccs_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, + CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN), + CCS_LIM(sensor, ANALOG_GAIN_CODE_MAX), + 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 ||