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freifunkist-firmware/target/linux/brcm2708/patches-3.10/0134-V4L2-Fix-ISO-controls....

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From d9dc4b7760b20885d5bd1d17fd6dce818f1141e0 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dsteve@broadcom.com>
Date: Mon, 9 Dec 2013 15:30:48 +0000
Subject: [PATCH 134/174] V4L2: Fix ISO controls.
Driver was passing the index to the GPU, and not the desired
ISO value.
Signed-off-by: Dave Stevenson <dsteve@broadcom.com>
---
drivers/media/platform/bcm2835/controls.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
--- a/drivers/media/platform/bcm2835/controls.c
+++ b/drivers/media/platform/bcm2835/controls.c
@@ -178,6 +178,25 @@ static int ctrl_set_value(struct bm2835_
&u32_value, sizeof(u32_value));
}
+static int ctrl_set_value_menu(struct bm2835_mmal_dev *dev,
+ struct v4l2_ctrl *ctrl,
+ const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl)
+{
+ u32 u32_value;
+ struct vchiq_mmal_port *control;
+
+ if (ctrl->val > mmal_ctrl->max || ctrl->val < mmal_ctrl->min)
+ return 1;
+
+ control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+
+ u32_value = mmal_ctrl->imenu[ctrl->val];
+
+ return vchiq_mmal_port_parameter_set(dev->instance, control,
+ mmal_ctrl->mmal_id,
+ &u32_value, sizeof(u32_value));
+}
+
static int ctrl_set_value_ev(struct bm2835_mmal_dev *dev,
struct v4l2_ctrl *ctrl,
const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl)
@@ -601,7 +620,7 @@ static const struct bm2835_mmal_v4l2_ctr
{
V4L2_CID_ISO_SENSITIVITY, MMAL_CONTROL_TYPE_INT_MENU,
0, ARRAY_SIZE(iso_qmenu) - 1, 0, 1, iso_qmenu,
- MMAL_PARAMETER_ISO, &ctrl_set_value
+ MMAL_PARAMETER_ISO, &ctrl_set_value_menu
},
{
V4L2_CID_IMAGE_STABILIZATION, MMAL_CONTROL_TYPE_STD,