From 126be90f720d9b23e89c68519022fb806882f42d Mon Sep 17 00:00:00 2001 From: Jaime Velasco Juan Date: Thu, 25 Dec 2008 07:04:52 -0300 Subject: [PATCH] V4L/DVB (9978): stkwebcam: Implement VIDIOC_ENUM_FRAMESIZES ioctl This patch implements VIDIOC_ENUM_FRAMESIZES, it is used at least by gstreamer. Signed-off-by: Jaime Velasco Juan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-webcam.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index e9eb6d754d5c..5566c2379d64 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -1262,6 +1262,25 @@ static int stk_vidioc_g_parm(struct file *filp, return 0; } +static int stk_vidioc_enum_framesizes(struct file *filp, + void *priv, struct v4l2_frmsizeenum *frms) +{ + if (frms->index >= ARRAY_SIZE(stk_sizes)) + return -EINVAL; + switch (frms->pixel_format) { + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_RGB565X: + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_SBGGR8: + frms->type = V4L2_FRMSIZE_TYPE_DISCRETE; + frms->discrete.width = stk_sizes[frms->index].w; + frms->discrete.height = stk_sizes[frms->index].h; + return 0; + default: return -EINVAL; + } +} + static struct file_operations v4l_stk_fops = { .owner = THIS_MODULE, .open = v4l_stk_open, @@ -1296,6 +1315,7 @@ static const struct v4l2_ioctl_ops v4l_stk_ioctl_ops = { .vidioc_g_ctrl = stk_vidioc_g_ctrl, .vidioc_s_ctrl = stk_vidioc_s_ctrl, .vidioc_g_parm = stk_vidioc_g_parm, + .vidioc_enum_framesizes = stk_vidioc_enum_framesizes, }; static void stk_v4l_dev_release(struct video_device *vd) -- 2.20.1