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path: root/drivers/media/video/v4l2-ctrls.c
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Diffstat (limited to 'drivers/media/video/v4l2-ctrls.c')
-rw-r--r--drivers/media/video/v4l2-ctrls.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index 909117203610..e6c7c8e8cc4e 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -362,6 +362,16 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
NULL,
};
+ static const char * const jpeg_chroma_subsampling[] = {
+ "4:4:4",
+ "4:2:2",
+ "4:2:0",
+ "4:1:1",
+ "4:1:0",
+ "Gray",
+ NULL,
+ };
+
switch (id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
return mpeg_audio_sampling_freq;
@@ -426,6 +436,9 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
return mpeg_mpeg4_level;
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
return mpeg4_profile;
+ case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
+ return jpeg_chroma_subsampling;
+
default:
return NULL;
}
@@ -623,6 +636,14 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_FLASH_CHARGE: return "Charge";
case V4L2_CID_FLASH_READY: return "Ready to Strobe";
+ /* JPEG encoder controls */
+ /* Keep the order of the 'case's the same as in videodev2.h! */
+ case V4L2_CID_JPEG_CLASS: return "JPEG Compression Controls";
+ case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: return "Chroma Subsampling";
+ case V4L2_CID_JPEG_RESTART_INTERVAL: return "Restart Interval";
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY: return "Compression Quality";
+ case V4L2_CID_JPEG_ACTIVE_MARKER: return "Active Markers";
+
default:
return NULL;
}
@@ -711,6 +732,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
+ case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
*type = V4L2_CTRL_TYPE_MENU;
break;
case V4L2_CID_RDS_TX_PS_NAME:
@@ -722,6 +744,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_CLASS:
case V4L2_CID_FM_TX_CLASS:
case V4L2_CID_FLASH_CLASS:
+ case V4L2_CID_JPEG_CLASS:
*type = V4L2_CTRL_TYPE_CTRL_CLASS;
/* You can neither read not write these */
*flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY;
@@ -735,6 +758,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
*max = 0xFFFFFF;
break;
case V4L2_CID_FLASH_FAULT:
+ case V4L2_CID_JPEG_ACTIVE_MARKER:
*type = V4L2_CTRL_TYPE_BITMASK;
break;
case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: