From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82B1E3205; Mon, 20 Jun 2022 17:55:38 +0000 (UTC) Received: by mail-wm1-f54.google.com with SMTP id n185so6220361wmn.4; Mon, 20 Jun 2022 10:55:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rO76farMqYrPQC4ew78x4uRO3kIuRntTwzkVO3g3BmE=; b=IXKYt1GNB0skST+g+G4WX5y6frV6Y4HqH2GhmT+UmjHsf9n/eI/8mQ/1U9DblJ6nA+ EuQQBR7A64ljTuDVW0sTn1xiDxxQCPWO8F5rfuzYDMXiCFM+o5ZCoJHN9uhhUWbNC/ma Cy12wOo2F6wvVmCZc8uA73rbiBazH+msWsg66pnnXJhV3hyoRqDw8eVrI/KkeWDFyNoj JUHYPoUJjygpC98Hd13+KqHXDnQEkd5ywSFlDtsbDwPzT5Tciop659ZSJ3q2yNV3IP+7 KaaYG2DOOU60fAyt7bmRps3R+IZzONdJS5MaxDw4ryX58jj8QbNzXmXO+wmzKVLghsqc dyBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rO76farMqYrPQC4ew78x4uRO3kIuRntTwzkVO3g3BmE=; b=LAC80BBFX5USatkcXex9NeGvbMIr5U3ik/+Q8XeXV1+5kCWtDjrPlVpUu9mOZgQoyD vR9Fdnk+kMnf7e/UjUHirqqEQZrJQxx3QhkbQJ2NnonNyuo/rS12LpVVjQuZFjlHvuzG 6Qq0O0hTS4SKz2yJTND96SvOXWYT0XdV03TNonf9EMXQLmBg+0KQGAzdMHtys2b7zaR5 74nLSRChirViIpJdyXu/3wo5guPiOmUPHR3nAJKigUg+ewAWmVhP6siKNJgocOt0TeCO oV154AIgN4uWTVYH0cNaAUdLq5pgeHr4G+M6qTNLuKM1jq9xe+a8aDZQp2LNfwMScN6q vmeQ== X-Gm-Message-State: AJIora89d804Y6R+1sFpdd/ssZNcAzOLYBqzTA0cmBAWGP6J7Gv1rQMm Gv12+q5kjb0W0zA3F6Ncq6Q= X-Google-Smtp-Source: AGRyM1u30Dw+JFAP13t7yhgHTvIDNuEJxA8aQ+DfNlPldZrFipM6Pgrn21E14dvHe/90gjXmt5wvtA== X-Received: by 2002:a1c:4e15:0:b0:3a0:1990:afeb with SMTP id g21-20020a1c4e15000000b003a01990afebmr4215164wmh.137.1655747736907; Mon, 20 Jun 2022 10:55:36 -0700 (PDT) Received: from kista.localdomain (213-161-3-76.dynamic.telemach.net. [213.161.3.76]) by smtp.gmail.com with ESMTPSA id 184-20020a1c02c1000000b0039db31f6372sm19620752wmc.2.2022.06.20.10.55.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 10:55:36 -0700 (PDT) From: Jernej Skrabec To: mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, samuel@sholland.org Cc: mchehab@kernel.org, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH 6/7] media: cedrus: Add helper for determining number of elements Date: Mon, 20 Jun 2022 19:55:16 +0200 Message-Id: <20220620175517.648767-7-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220620175517.648767-1-jernej.skrabec@gmail.com> References: <20220620175517.648767-1-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Now that controls can be dynamic arrays, we need to know how many elements are in such array. Add a helper for that. Signed-off-by: Jernej Skrabec --- drivers/staging/media/sunxi/cedrus/cedrus.c | 11 +++++++++++ drivers/staging/media/sunxi/cedrus/cedrus.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c index 99c87319d2b4..b855e608885c 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c @@ -232,6 +232,17 @@ void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id) return NULL; } +u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id) +{ + unsigned int i; + + for (i = 0; ctx->ctrls[i]; i++) + if (ctx->ctrls[i]->id == id) + return ctx->ctrls[i]->elems; + + return 0; +} + static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx) { struct v4l2_ctrl_handler *hdl = &ctx->hdl; diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h index d2b697a9ded2..15a1bdbf6a1f 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.h +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h @@ -261,5 +261,6 @@ vb2_to_cedrus_buffer(const struct vb2_buffer *p) } void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id); +u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id); #endif -- 2.36.1