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105 lines
3.4 KiB
Diff
105 lines
3.4 KiB
Diff
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From 1fbe6c846412c7c114f599fef881366f1e81ef9c Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Sat, 12 Feb 2022 09:47:38 +0000
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Subject: [PATCH] media: i2c: ov7251: V4L2_CID_PIXEL_RATE is fixed
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The pixel rate doesn't actually change based on the mode, and
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can not be set by userspace.
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Fix the control. The control is already read only as set by the core.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/media/i2c/ov7251.c | 24 +++++-------------------
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1 file changed, 5 insertions(+), 19 deletions(-)
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--- a/drivers/media/i2c/ov7251.c
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+++ b/drivers/media/i2c/ov7251.c
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@@ -54,6 +54,8 @@
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#define OV7251_PLL2_SYS_DIV_REG 0x309a
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#define OV7251_PLL2_ADC_DIV_REG 0x309b
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+#define OV7251_PIXEL_CLOCK 48000000
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+
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struct reg_value {
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u16 reg;
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u8 val;
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@@ -64,7 +66,6 @@ struct ov7251_mode_info {
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u32 height;
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const struct reg_value *data;
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u32 data_size;
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- u32 pixel_clock;
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u32 link_freq;
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u16 exposure_max;
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u16 exposure_def;
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@@ -112,7 +113,6 @@ struct ov7251 {
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const struct ov7251_mode_info *current_mode;
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struct v4l2_ctrl_handler ctrls;
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- struct v4l2_ctrl *pixel_clock;
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struct v4l2_ctrl *link_freq;
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struct v4l2_ctrl *exposure;
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struct v4l2_ctrl *gain;
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@@ -591,7 +591,6 @@ static const struct ov7251_mode_info ov7
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.height = 480,
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.data = ov7251_setting_vga_30fps,
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.data_size = ARRAY_SIZE(ov7251_setting_vga_30fps),
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- .pixel_clock = 48000000,
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.link_freq = 0, /* an index in link_freq[] */
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.exposure_max = 1704,
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.exposure_def = 504,
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@@ -605,7 +604,6 @@ static const struct ov7251_mode_info ov7
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.height = 480,
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.data = ov7251_setting_vga_60fps,
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.data_size = ARRAY_SIZE(ov7251_setting_vga_60fps),
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- .pixel_clock = 48000000,
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.link_freq = 0, /* an index in link_freq[] */
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.exposure_max = 840,
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.exposure_def = 504,
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@@ -619,7 +617,6 @@ static const struct ov7251_mode_info ov7
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.height = 480,
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.data = ov7251_setting_vga_90fps,
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.data_size = ARRAY_SIZE(ov7251_setting_vga_90fps),
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- .pixel_clock = 48000000,
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.link_freq = 0, /* an index in link_freq[] */
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.exposure_max = 552,
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.exposure_def = 504,
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@@ -1155,11 +1152,6 @@ static int ov7251_set_format(struct v4l2
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__crop->height = new_mode->height;
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if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
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- ret = __v4l2_ctrl_s_ctrl_int64(ov7251->pixel_clock,
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- new_mode->pixel_clock);
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- if (ret < 0)
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- goto exit;
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-
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ret = __v4l2_ctrl_s_ctrl(ov7251->link_freq,
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new_mode->link_freq);
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if (ret < 0)
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@@ -1319,11 +1311,6 @@ static int ov7251_set_frame_interval(str
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new_mode = ov7251_find_mode_by_ival(ov7251, &fi->interval);
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if (new_mode != ov7251->current_mode) {
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- ret = __v4l2_ctrl_s_ctrl_int64(ov7251->pixel_clock,
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- new_mode->pixel_clock);
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- if (ret < 0)
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- goto exit;
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-
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ret = __v4l2_ctrl_s_ctrl(ov7251->link_freq,
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new_mode->link_freq);
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if (ret < 0)
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@@ -1571,10 +1558,9 @@ static int ov7251_probe(struct i2c_clien
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V4L2_CID_TEST_PATTERN,
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ARRAY_SIZE(ov7251_test_pattern_menu) - 1,
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0, 0, ov7251_test_pattern_menu);
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- ov7251->pixel_clock = v4l2_ctrl_new_std(&ov7251->ctrls,
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- &ov7251_ctrl_ops,
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- V4L2_CID_PIXEL_RATE,
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- 1, INT_MAX, 1, 1);
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+ v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,
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+ V4L2_CID_PIXEL_RATE, OV7251_PIXEL_CLOCK,
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+ OV7251_PIXEL_CLOCK, 1, OV7251_PIXEL_CLOCK);
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ov7251->link_freq = v4l2_ctrl_new_int_menu(&ov7251->ctrls,
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&ov7251_ctrl_ops,
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V4L2_CID_LINK_FREQ,
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