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Set gain to range 32-255 -> 100.000-796.875

This commit is contained in:
dchvs 2021-04-05 00:18:35 -06:00
parent 6d982b1ebe
commit 71bc9b31dd
2 changed files with 21 additions and 21 deletions
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40
hardware/nvidia-spiri/platform/t18x/common/kernel-dts/t18x-common-platforms/tegra186-tx2-spiri-camera.dtsi
View File

@ -93,18 +93,18 @@ i2c8 = "/i2c@31e0000";
csi_pixel_bit_depth = "12"; csi_pixel_bit_depth = "12";
mode_type = "bayer"; mode_type = "bayer";
pixel_phase = "rggb"; pixel_phase = "rggb";
readout_orientation = "0"; readout_orientation = "0";
line_length = "1650"; line_length = "1650";
inherent_gain = "1"; inherent_gain = "1";
pix_clk_hz = "74250000"; pix_clk_hz = "74250000";
gain_factor = "3"; gain_factor = "3125";
framerate_factor = "1000000"; framerate_factor = "1000000";
exposure_factor = "1000000"; exposure_factor = "1000000";
min_gain_val = "96"; /* 1x */ min_gain_val = "100000"; /* 1x */
max_gain_val = "765"; /* 7.97x */ max_gain_val = "796875"; /* 7.97x */
step_gain_val = "1"; step_gain_val = "1";
default_gain = "96"; /* 1x */ default_gain = "100000"; /* 1x */
min_hdr_ratio = "1"; min_hdr_ratio = "1";
max_hdr_ratio = "1"; max_hdr_ratio = "1";
@ -132,18 +132,18 @@ i2c8 = "/i2c@31e0000";
csi_pixel_bit_depth = "12"; csi_pixel_bit_depth = "12";
mode_type = "bayer"; mode_type = "bayer";
pixel_phase = "rggb"; pixel_phase = "rggb";
readout_orientation = "0"; readout_orientation = "0";
line_length = "1650"; line_length = "1650";
inherent_gain = "1"; inherent_gain = "1";
pix_clk_hz = "74250000"; pix_clk_hz = "74250000";
gain_factor = "3"; gain_factor = "3125";
framerate_factor = "1000000"; framerate_factor = "1000000";
exposure_factor = "1000000"; exposure_factor = "1000000";
min_gain_val = "96"; /* 1x */ min_gain_val = "100000"; /* 1x */
max_gain_val = "765"; /* 7.97x */ max_gain_val = "796875"; /* 7.97x */
step_gain_val = "1"; step_gain_val = "1";
default_gain = "96"; /* 1x */ default_gain = "100000"; /* 1x */
min_hdr_ratio = "1"; min_hdr_ratio = "1";
max_hdr_ratio = "1"; max_hdr_ratio = "1";
@ -220,18 +220,18 @@ i2c8 = "/i2c@31e0000";
csi_pixel_bit_depth = "12"; csi_pixel_bit_depth = "12";
mode_type = "bayer"; mode_type = "bayer";
pixel_phase = "rggb"; pixel_phase = "rggb";
readout_orientation = "0"; readout_orientation = "0";
line_length = "1650"; line_length = "1650";
inherent_gain = "1"; inherent_gain = "1";
pix_clk_hz = "74250000"; pix_clk_hz = "74250000";
gain_factor = "3"; gain_factor = "3125";
framerate_factor = "1000000"; framerate_factor = "1000000";
exposure_factor = "1000000"; exposure_factor = "1000000";
min_gain_val = "96"; /* 1x */ min_gain_val = "100000"; /* 1x */
max_gain_val = "765"; /* 7.97x */ max_gain_val = "796875"; /* 7.97x */
step_gain_val = "1"; step_gain_val = "1";
default_gain = "96"; /* 1x */ default_gain = "100000"; /* 1x */
min_hdr_ratio = "1"; min_hdr_ratio = "1";
max_hdr_ratio = "1"; max_hdr_ratio = "1";
@ -259,18 +259,18 @@ i2c8 = "/i2c@31e0000";
csi_pixel_bit_depth = "12"; csi_pixel_bit_depth = "12";
mode_type = "bayer"; mode_type = "bayer";
pixel_phase = "rggb"; pixel_phase = "rggb";
readout_orientation = "0"; readout_orientation = "0";
line_length = "1650"; line_length = "1650";
inherent_gain = "1"; inherent_gain = "1";
pix_clk_hz = "74250000"; pix_clk_hz = "74250000";
gain_factor = "3"; gain_factor = "3125";
framerate_factor = "1000000"; framerate_factor = "1000000";
exposure_factor = "1000000"; exposure_factor = "1000000";
min_gain_val = "96"; /* 1x */ min_gain_val = "100000"; /* 1x */
max_gain_val = "765"; /* 7.97x */ max_gain_val = "796875"; /* 7.97x */
step_gain_val = "1"; step_gain_val = "1";
default_gain = "96"; /* 1x */ default_gain = "100000"; /* 1x */
min_hdr_ratio = "1"; min_hdr_ratio = "1";
max_hdr_ratio = "1"; max_hdr_ratio = "1";

2
kernel/nvidia-spiri/drivers/media/i2c/mt9m021.c
View File

@ -416,7 +416,7 @@ static int mt9m021_set_gain(struct tegracam_device *tc_dev, s64 val)
* gain_factor = 3 * gain_factor = 3
* *
*/ */
gain = val / 3; gain = val / 3125;
/* Update global gain */ /* Update global gain */
err = mt9m021_write_reg16(s_data, MT9M021_GLOBAL_GAIN, gain); err = mt9m021_write_reg16(s_data, MT9M021_GLOBAL_GAIN, gain);