From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B64A528B4EA; Wed, 16 Jul 2025 09:07:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752656848; cv=none; b=Aq8gble+1IdnDL/hktQC3AATUCJqYgsbppPQJ7K6MhLeeMh+BeNKI63qqGoiALlYJaPAuczsCBcHkLXkFgXZOl+aqrHxNxzALU9jwxXLJCkRgHWequeBeR3PhbsqG5MjJbuKbP+O7eJzAT//c/AjMYPEtDZSdp02rLqyP7MHE1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752656848; c=relaxed/simple; bh=0nzpfTzsTCcWDqac7ZTk2BZgJrXNm8rZpSw6OMimBsU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oOwLcWkNFn0a6QooU6tRjILEpmfPoTQxmcycT8hYFFbY7DDimDKqD5hJNmr6FMZKref1bPGbaNBt+eHC6qIveqw1HH9dsxMwqI7o/clt9I2Z7iPfj3p4I/kXRkt20fDR9x1EnuKf9BHOaIYZKaxp2XgLDeHyyMTtMIErNdgGTMY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=fSk538Rj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="fSk538Rj" Received: by smtp.kernel.org (Postfix) with ESMTPS id 7918EC4CEF6; Wed, 16 Jul 2025 09:07:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux.dev; s=korg; t=1752656848; bh=0nzpfTzsTCcWDqac7ZTk2BZgJrXNm8rZpSw6OMimBsU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=fSk538RjF1tdMUKROR4uR9mlhUsyT5498o8kra2auofzQ6ZRisTe/+VxI80lgLCnx hWfvmDCUmlfe2hLr8tPKtnVqBzfo1FEihl0DiFy+feVn6+5lEc9rGSwwf/s+uSj8kW 6AD0qo0p0ngwjNHriq2WEHAZXcABnOfAq+DVO0Ig= Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A22CC83F1B; Wed, 16 Jul 2025 09:07:28 +0000 (UTC) From: Richard Leitner Date: Wed, 16 Jul 2025 11:06:51 +0200 Subject: [PATCH v6 01/11] media: v4l: ctrls: add a control for flash/strobe duration Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250716-ov9282-flash-strobe-v6-1-934f12aeff33@linux.dev> References: <20250716-ov9282-flash-strobe-v6-0-934f12aeff33@linux.dev> In-Reply-To: <20250716-ov9282-flash-strobe-v6-0-934f12aeff33@linux.dev> To: Sakari Ailus , Dave Stevenson , Mauro Carvalho Chehab , Lee Jones , Pavel Machek , Laurent Pinchart Cc: Hans Verkuil , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Richard Leitner X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1752656846; l=1793; i=richard.leitner@linux.dev; s=20250225; h=from:subject:message-id; bh=0nzpfTzsTCcWDqac7ZTk2BZgJrXNm8rZpSw6OMimBsU=; b=juVuqNIAo95NqjiFbbrFMnZ7vfSLwdFTjoEXauwNrnReH8hzs5zm81UCZqvsU0wZTMTNuMenP nHLOY3zROL0Df6VkWil8eQbY0Bkq0Hm2DeAj5PEhE0Mup8nqKbWOtML X-Developer-Key: i=richard.leitner@linux.dev; a=ed25519; pk=8hZNyyyQFqZ5ruVJsSGBSPIrmJpfDm5HwHU4QVOP1Pk= X-Endpoint-Received: by B4 Relay for richard.leitner@linux.dev/20250225 with auth_id=350 Add a control V4L2_CID_FLASH_DURATION to set the duration of a flash/strobe pulse. This is different to the V4L2_CID_FLASH_TIMEOUT control, as the timeout defines a limit after which the flash is "forcefully" turned off again. On the other hand the new V4L2_CID_FLASH_DURATION is the desired length of the flash/strobe pulse. Signed-off-by: Richard Leitner --- drivers/media/v4l2-core/v4l2-ctrls-defs.c | 1 + include/uapi/linux/v4l2-controls.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 1ea52011247accc51d0261f56eab1cf13c0624a0..f9ed7273a9f3eafe01c31b638e1c8d9fcf5424af 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -1135,6 +1135,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_FLASH_FAULT: return "Faults"; case V4L2_CID_FLASH_CHARGE: return "Charge"; case V4L2_CID_FLASH_READY: return "Ready to Strobe"; + case V4L2_CID_FLASH_DURATION: return "Strobe Duration"; /* JPEG encoder controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 72e32814ea83dee5f1202c1249eac7cf3b85a22a..72c6bd26e2dfa23a0224e745e5cd07c9fca0c8b5 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1180,6 +1180,7 @@ enum v4l2_flash_strobe_source { #define V4L2_CID_FLASH_CHARGE (V4L2_CID_FLASH_CLASS_BASE + 11) #define V4L2_CID_FLASH_READY (V4L2_CID_FLASH_CLASS_BASE + 12) +#define V4L2_CID_FLASH_DURATION (V4L2_CID_FLASH_CLASS_BASE + 13) /* JPEG-class control IDs */ -- 2.47.2