commit 8f35c7bc265c99fadb5b4057f623e2e242043736
author Philipp Zabel <p.zabel@pengutronix.de> Mon Jul 09 04:25:52 2012 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> Wed Sep 26 16:55:22 2012 -0300
tree a5842a10391d6a167be7fc99b5d2d3a977521f67
parent 451d43ad44b00bd6d518254086378464ffef96ef

[media] media: coda: add horizontal / vertical flipping support

The hardware can also rotate in 90° steps, but there is no
corresponding V4L2_CID defined yet.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/coda.c

diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 2e046d0..23985b3 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -141,6 +141,7 @@
 };
 
 struct coda_params {
+	u8			rot_mode;
 	u8			h264_intra_qp;
 	u8			h264_inter_qp;
 	u8			mpeg4_intra_qp;
@@ -700,7 +701,7 @@
 	}
 
 	/* submit */
-	coda_write(dev, 0, CODA_CMD_ENC_PIC_ROT_MODE);
+	coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode, CODA_CMD_ENC_PIC_ROT_MODE);
 	coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
 
 
@@ -1276,6 +1277,18 @@
 		 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
 
 	switch (ctrl->id) {
+	case V4L2_CID_HFLIP:
+		if (ctrl->val)
+			ctx->params.rot_mode |= CODA_MIR_HOR;
+		else
+			ctx->params.rot_mode &= ~CODA_MIR_HOR;
+		break;
+	case V4L2_CID_VFLIP:
+		if (ctrl->val)
+			ctx->params.rot_mode |= CODA_MIR_VER;
+		else
+			ctx->params.rot_mode &= ~CODA_MIR_VER;
+		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE:
 		ctx->params.bitrate = ctrl->val / 1000;
 		break;
@@ -1321,6 +1334,10 @@
 	v4l2_ctrl_handler_init(&ctx->ctrls, 9);
 
 	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_HFLIP, 0, 1, 1, 0);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_VFLIP, 0, 1, 1, 0);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
 		V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
 	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
 		V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);