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Fri, 16 Oct 2026 04:38:21 -0700 (PDT) Received: from thinkpad ([2.176.196.112]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48dfe4d2321sm4363551f8f.19.2026.10.16.04.38.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Oct 2026 04:38:21 -0700 (PDT) From: Arash Golgol To: linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: yong.deng@magewell.com, paulk@sys-base.io, mchehab@kernel.org, wens@kernel.org, jernej.skrabec@gmail.com, samuel@sholland.org, laurent.pinchart@ideasonboard.com, Arash Golgol Subject: [PATCH v1 2/3] media: sun6i-csi: capture: Add enum_framesizes support Date: Fri, 16 Oct 2026 15:08:45 +0330 Message-Id: <20261016113846.8602-3-arash.golgol@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261016113846.8602-1-arash.golgol@gmail.com> References: <20261016113846.8602-1-arash.golgol@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= Implement VIDIOC_ENUM_FRAMESIZES as a stepwise range from the minimum and maximum sizes supported by the hardware. The step follows the alignment enforced by try_fmt: 16 for NV12_16L16 and 2 otherwise. Assisted-by: Claude:claude-sonnet-5-5 Signed-off-by: Arash Golgol --- .../sunxi/sun6i-csi/sun6i_csi_capture.c | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index f55edfd0b174..3adb10b62857 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -746,6 +746,30 @@ static int sun6i_csi_capture_enum_fmt(struct file *file, void *priv, return 0; } +static int sun6i_csi_capture_enum_framesizes(struct file *file, void *priv, + struct v4l2_frmsizeenum *fsize) +{ + unsigned int step; + + if (fsize->index != 0) + return -EINVAL; + + if (!sun6i_csi_capture_format_find(fsize->pixel_format)) + return -EINVAL; + + step = 1U << sun6i_csi_capture_format_align(fsize->pixel_format); + + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + fsize->stepwise.min_width = SUN6I_CSI_CAPTURE_WIDTH_MIN; + fsize->stepwise.max_width = SUN6I_CSI_CAPTURE_WIDTH_MAX; + fsize->stepwise.step_width = step; + fsize->stepwise.min_height = SUN6I_CSI_CAPTURE_HEIGHT_MIN; + fsize->stepwise.max_height = SUN6I_CSI_CAPTURE_HEIGHT_MAX; + fsize->stepwise.step_height = step; + + return 0; +} + static int sun6i_csi_capture_g_fmt(struct file *file, void *priv, struct v4l2_format *format) { @@ -813,6 +837,7 @@ static const struct v4l2_ioctl_ops sun6i_csi_capture_ioctl_ops = { .vidioc_querycap = sun6i_csi_capture_querycap, .vidioc_enum_fmt_vid_cap = sun6i_csi_capture_enum_fmt, + .vidioc_enum_framesizes = sun6i_csi_capture_enum_framesizes, .vidioc_g_fmt_vid_cap = sun6i_csi_capture_g_fmt, .vidioc_s_fmt_vid_cap = sun6i_csi_capture_s_fmt, .vidioc_try_fmt_vid_cap = sun6i_csi_capture_try_fmt,