bcm27xx: remove linux 5.10 compatibility
[openwrt/staging/chunkeey.git] / target / linux / bcm27xx / patches-5.10 / 950-0237-media-i2c-ov5647-Advertise-the-correct-exposure-rang.patch
diff --git a/target/linux/bcm27xx/patches-5.10/950-0237-media-i2c-ov5647-Advertise-the-correct-exposure-rang.patch b/target/linux/bcm27xx/patches-5.10/950-0237-media-i2c-ov5647-Advertise-the-correct-exposure-rang.patch
deleted file mode 100644 (file)
index 6bdde3a..0000000
+++ /dev/null
@@ -1,119 +0,0 @@
-From 7048b8678ac96eb512adfb18990eff0c9b8109f5 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.com>
-Date: Thu, 30 Apr 2020 11:03:00 +0100
-Subject: [PATCH] media: i2c: ov5647: Advertise the correct exposure
- range
-
-Exposure is clipped by the VTS of the mode, so needs to be updated as
-and when this is changed.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
----
- drivers/media/i2c/ov5647.c | 47 +++++++++++++++++++++++++++++++-------
- 1 file changed, 39 insertions(+), 8 deletions(-)
-
---- a/drivers/media/i2c/ov5647.c
-+++ b/drivers/media/i2c/ov5647.c
-@@ -84,6 +84,11 @@
- #define OV5647_VBLANK_MIN             4
- #define OV5647_VTS_MAX                        32767
-+#define OV5647_EXPOSURE_MIN           4
-+#define OV5647_EXPOSURE_STEP          1
-+#define OV5647_EXPOSURE_DEFAULT               1000
-+#define OV5647_EXPOSURE_MAX           65535
-+
- struct regval_list {
-       u16 addr;
-       u8 data;
-@@ -117,6 +122,7 @@ struct ov5647 {
-       struct v4l2_ctrl                *pixel_rate;
-       struct v4l2_ctrl                *hblank;
-       struct v4l2_ctrl                *vblank;
-+      struct v4l2_ctrl                *exposure;
-       bool                            write_mode_regs;
- };
-@@ -1202,7 +1208,7 @@ static int ov5647_set_fmt(struct v4l2_su
-                * If we have changed modes, write the I2C register list on
-                * a stream_on().
-                */
--              int hblank;
-+              int exposure_max, exposure_def, hblank;
-               if (state->mode != mode)
-                       state->write_mode_regs = true;
-@@ -1223,6 +1229,15 @@ static int ov5647_set_fmt(struct v4l2_su
-                                        mode->vts_def - mode->format.height);
-               __v4l2_ctrl_s_ctrl(state->vblank,
-                                  mode->vts_def - mode->format.height);
-+
-+              exposure_max = mode->vts_def - 4;
-+              exposure_def = (exposure_max < OV5647_EXPOSURE_DEFAULT) ?
-+                                      exposure_max : OV5647_EXPOSURE_DEFAULT;
-+              __v4l2_ctrl_modify_range(state->exposure,
-+                                       state->exposure->minimum,
-+                                       exposure_max,
-+                                       state->exposure->step,
-+                                       exposure_def);
-       }
-       mutex_unlock(&state->lock);
-@@ -1415,6 +1430,19 @@ static int ov5647_s_ctrl(struct v4l2_ctr
-       /* v4l2_ctrl_lock() locks our own mutex */
-+      if (ctrl->id == V4L2_CID_VBLANK) {
-+              int exposure_max, exposure_def;
-+
-+              /* Update max exposure while meeting expected vblanking */
-+              exposure_max = state->mode->format.height + ctrl->val - 4;
-+              exposure_def = (exposure_max < OV5647_EXPOSURE_DEFAULT) ?
-+                      exposure_max : OV5647_EXPOSURE_DEFAULT;
-+              __v4l2_ctrl_modify_range(state->exposure,
-+                                       state->exposure->minimum,
-+                                       exposure_max, state->exposure->step,
-+                                       exposure_def);
-+      }
-+
-       /*
-        * If the device is not powered up by the host driver do
-        * not apply any controls to H/W at this time. Instead
-@@ -1472,7 +1500,7 @@ static int ov5647_probe(struct i2c_clien
-       struct v4l2_subdev *sd;
-       struct device_node *np = client->dev.of_node;
-       u32 xclk_freq;
--      int hblank;
-+      int hblank, exposure_max, exposure_def;
-       sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
-       if (!sensor)
-@@ -1525,12 +1553,6 @@ static int ov5647_probe(struct i2c_clien
-                              0,                     /* skip_mask */
-                              V4L2_EXPOSURE_MANUAL); /* default */
-       v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
--                        V4L2_CID_EXPOSURE,
--                        4,     /* min lines */
--                        65535, /* max lines (4+8+4 bits)*/
--                        1,     /* step */
--                        1000); /* default number of lines */
--      v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
-                         V4L2_CID_ANALOGUE_GAIN,
-                         16,   /* min, 16 = 1.0x */
-                         1023, /* max (10 bits) */
-@@ -1540,6 +1562,15 @@ static int ov5647_probe(struct i2c_clien
-       /* Set the default mode before we init the subdev */
-       sensor->mode = OV5647_DEFAULT_MODE;
-+      exposure_max = sensor->mode->vts_def - 4;
-+      exposure_def = (exposure_max < OV5647_EXPOSURE_DEFAULT) ?
-+              exposure_max : OV5647_EXPOSURE_DEFAULT;
-+      sensor->exposure = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
-+                                           V4L2_CID_EXPOSURE,
-+                                           OV5647_EXPOSURE_MIN, exposure_max,
-+                                           OV5647_EXPOSURE_STEP,
-+                                           exposure_def);
-+
-       /* By default, PIXEL_RATE is read only, but it does change per mode */
-       sensor->pixel_rate = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
-                                              V4L2_CID_PIXEL_RATE,