diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0471-Added-hflip-and-vflip-controls-to-ov9281.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0471-Added-hflip-and-vflip-controls-to-ov9281.patch | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0471-Added-hflip-and-vflip-controls-to-ov9281.patch b/target/linux/bcm27xx/patches-5.10/950-0471-Added-hflip-and-vflip-controls-to-ov9281.patch new file mode 100644 index 0000000000..ded3dce942 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0471-Added-hflip-and-vflip-controls-to-ov9281.patch @@ -0,0 +1,112 @@ +From 6c7ebe661716fc23c52cd800a173e4675b10202a Mon Sep 17 00:00:00 2001 +From: Mathias Anhalt <mathiasanhalt@web.de> +Date: Wed, 3 Feb 2021 20:34:09 +0100 +Subject: [PATCH] Added hflip and vflip controls to ov9281 + +Signed-off-by: Mathias Anhalt <mathiasanhalt@web.de> +--- + drivers/media/i2c/ov9281.c | 58 +++++++++++++++++++++++++++++++++++++- + 1 file changed, 57 insertions(+), 1 deletion(-) + +--- a/drivers/media/i2c/ov9281.c ++++ b/drivers/media/i2c/ov9281.c +@@ -40,6 +40,10 @@ + #define CHIP_ID 0x9281 + #define OV9281_REG_CHIP_ID 0x300a + ++#define OV9281_REG_TIMING_FORMAT_1 0x3820 ++#define OV9281_REG_TIMING_FORMAT_2 0x3821 ++#define OV9281_FLIP_BIT BIT(2) ++ + #define OV9281_REG_CTRL_MODE 0x0100 + #define OV9281_MODE_SW_STANDBY 0x0 + #define OV9281_MODE_STREAMING BIT(0) +@@ -123,6 +127,8 @@ struct ov9281 { + struct v4l2_ctrl *digi_gain; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; ++ struct v4l2_ctrl *hflip; ++ struct v4l2_ctrl *vflip; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *test_pattern; + struct mutex mutex; +@@ -615,6 +621,42 @@ static int ov9281_enable_test_pattern(st + OV9281_REG_VALUE_08BIT, val); + } + ++static int ov9281_set_ctrl_hflip(struct ov9281 *ov9281, int value) ++{ ++ u32 current_val; ++ int ret = ov9281_read_reg(ov9281->client, OV9281_REG_TIMING_FORMAT_2, ++ OV9281_REG_VALUE_08BIT, ¤t_val); ++ if (!ret) { ++ if (value) ++ current_val |= OV9281_FLIP_BIT; ++ else ++ current_val &= ~OV9281_FLIP_BIT; ++ return ov9281_write_reg(ov9281->client, ++ OV9281_REG_TIMING_FORMAT_2, ++ OV9281_REG_VALUE_08BIT, ++ current_val); ++ } ++ return ret; ++} ++ ++static int ov9281_set_ctrl_vflip(struct ov9281 *ov9281, int value) ++{ ++ u32 current_val; ++ int ret = ov9281_read_reg(ov9281->client, OV9281_REG_TIMING_FORMAT_1, ++ OV9281_REG_VALUE_08BIT, ¤t_val); ++ if (!ret) { ++ if (value) ++ current_val |= OV9281_FLIP_BIT; ++ else ++ current_val &= ~OV9281_FLIP_BIT; ++ return ov9281_write_reg(ov9281->client, ++ OV9281_REG_TIMING_FORMAT_1, ++ OV9281_REG_VALUE_08BIT, ++ current_val); ++ } ++ return ret; ++} ++ + static const struct v4l2_rect * + __ov9281_get_pad_crop(struct ov9281 *ov9281, struct v4l2_subdev_pad_config *cfg, + unsigned int pad, enum v4l2_subdev_format_whence which) +@@ -933,6 +975,12 @@ static int ov9281_set_ctrl(struct v4l2_c + return 0; + + switch (ctrl->id) { ++ case V4L2_CID_HFLIP: ++ ret = ov9281_set_ctrl_hflip(ov9281, ctrl->val); ++ break; ++ case V4L2_CID_VFLIP: ++ ret = ov9281_set_ctrl_vflip(ov9281, ctrl->val); ++ break; + case V4L2_CID_EXPOSURE: + /* 4 least significant bits of expsoure are fractional part */ + ret = ov9281_write_reg(ov9281->client, OV9281_REG_EXPOSURE, +@@ -981,7 +1029,7 @@ static int ov9281_initialize_controls(st + + handler = &ov9281->ctrl_handler; + mode = ov9281->cur_mode; +- ret = v4l2_ctrl_handler_init(handler, 8); ++ ret = v4l2_ctrl_handler_init(handler, 9); + if (ret) + return ret; + handler->lock = &ov9281->mutex; +@@ -1022,6 +1070,14 @@ static int ov9281_initialize_controls(st + OV9281_GAIN_STEP, + OV9281_GAIN_DEFAULT); + ++ ov9281->vflip = v4l2_ctrl_new_std(handler, &ov9281_ctrl_ops, ++ V4L2_CID_VFLIP, ++ 0, 1, 1, 0); ++ ++ ov9281->hflip = v4l2_ctrl_new_std(handler, &ov9281_ctrl_ops, ++ V4L2_CID_HFLIP, ++ 0, 1, 1, 0); ++ + ov9281->test_pattern = + v4l2_ctrl_new_std_menu_items(handler, &ov9281_ctrl_ops, + V4L2_CID_TEST_PATTERN, |