[PATCH] vivid: Enable 4k resolution for webcam capture device

From: Soren Brinkmann
Date: Thu Dec 15 2016 - 23:51:58 EST


Add 3840x2160 as valid resolution for the webcam capture input and
adjust the webcam intervals accordingly.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
---
Hi,

we'd like to use the vivid webcam capture device with a 4k resolution. This
basically seems to do the trick, though, I'm not sure if there is a particular
system in choosing values for the 'intervals' array.

SÃren

drivers/media/platform/vivid/vivid-vid-cap.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c
index c52dd8787794..a18e6fec219b 100644
--- a/drivers/media/platform/vivid/vivid-vid-cap.c
+++ b/drivers/media/platform/vivid/vivid-vid-cap.c
@@ -63,7 +63,7 @@ static const struct vivid_fmt formats_ovl[] = {
};

/* The number of discrete webcam framesizes */
-#define VIVID_WEBCAM_SIZES 4
+#define VIVID_WEBCAM_SIZES 5
/* The number of discrete webcam frameintervals */
#define VIVID_WEBCAM_IVALS (VIVID_WEBCAM_SIZES * 2)

@@ -73,6 +73,7 @@ static const struct v4l2_frmsize_discrete webcam_sizes[VIVID_WEBCAM_SIZES] = {
{ 640, 360 },
{ 1280, 720 },
{ 1920, 1080 },
+ { 3840, 2160 },
};

/*
@@ -80,7 +81,9 @@ static const struct v4l2_frmsize_discrete webcam_sizes[VIVID_WEBCAM_SIZES] = {
* elements in this array as there are in webcam_sizes.
*/
static const struct v4l2_fract webcam_intervals[VIVID_WEBCAM_IVALS] = {
+ { 1, 1 },
{ 1, 2 },
+ { 1, 4 },
{ 1, 5 },
{ 1, 10 },
{ 1, 15 },
--
2.11.0.3.g119133d