From patchwork Mon Nov 27 16:54:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 747709 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="aqpRUR5B" Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5D8D2119; Mon, 27 Nov 2023 08:55:33 -0800 (PST) Received: from benjamin-XPS-13-9310.. (ec2-34-240-57-77.eu-west-1.compute.amazonaws.com [34.240.57.77]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 085D266073E5; Mon, 27 Nov 2023 16:55:31 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104132; bh=2gAqxxEJ2KqwbPuMzplAmWNudI3ZJjJVcvYYervFwW8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aqpRUR5B7rLkIPBrl96mQJqeD5R0o9Q5BMCoaKtg5QuqkLlcc+C911iU2FJnQzBX6 F2zlghBwHF16o0UIYyjlbkocDMkKKD/AaICpRYiV4w57I/LqUDJ+7dQqqlVlGB+s99 qG5ySA4re0p45He3Ra0IqcIm/IGL4lvPbWUIDdb93OxZFJA3DvKJqzFTnZhRkLtVu+ wOSCU48w+YYSaPCltcO+cYnd3AyuzqTB6xc881+R4CslyHe3nXrQe92JmFPJhK2CcM LegUwvBEHebpAjinyfNEM35kcTmAZRZrrc3iy/D1gvAN5Mt2PtX0axNXNrjYIbSTiV +T5FmrLdIH1Ow== From: Benjamin Gaignard To: hverkuil@xs4all.nl, mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, matt.ranostay@konsulko.com Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard , Dmitry Torokhov , linux-input@vger.kernel.org Subject: [PATCH 34/55] input: touchscreen: sur40: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:33 +0100 Message-Id: <20231127165454.166373-35-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231127165454.166373-1-benjamin.gaignard@collabora.com> References: <20231127165454.166373-1-benjamin.gaignard@collabora.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 'min_buffers_needed' is suppose to be used to indicate the number of buffers needed by DMA engine to start streaming. sur40 touchscreen driver doesn't use DMA engine and just want to specify the minimum number of buffers to allocate when calling VIDIOC_REQBUFS. That 'min_reqbufs_allocation' field purpose so use it. Signed-off-by: Benjamin Gaignard CC: Dmitry Torokhov CC: linux-input@vger.kernel.org --- drivers/input/touchscreen/sur40.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index e7d2a52169a0..4da3063c352e 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -1124,7 +1124,7 @@ static const struct vb2_queue sur40_queue = { .ops = &sur40_queue_ops, .mem_ops = &vb2_dma_sg_memops, .timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, - .min_buffers_needed = 3, + .min_reqbufs_allocation = 3, }; static const struct v4l2_file_operations sur40_video_fops = {