documentation: Fix gain equation on Driver

This commit is contained in:
dchvs 2021-03-15 22:22:34 -06:00
parent 809d88dd93
commit d4df26e9f9
1 changed files with 4 additions and 5 deletions

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@ -417,16 +417,15 @@ static int mt9m021_set_gain(struct tegracam_device *tc_dev, s64 val)
* Digital gain equation: * Digital gain equation:
* *
* RANGE: 1x, 7.97x * RANGE: 1x, 7.97x
* GAIN: VAL / STEPS;
* STEPS: 1/32 * STEPS: 1/32
* *
* SCALE FACTOR = 32 * SCALE FACTOR = 3
* *
* min_gain_val = 100 * min_gain_val = 102
* max_gain_val = 762 * max_gain_val = 160
* gain_factor = 3 * gain_factor = 3
* *
* gain maps to range 32 - 255 * gain accepts mapping to range 32 - 53
*/ */
gain = val / 3; gain = val / 3;