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media: i2c: jx_h62: fix set gain bug

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Signed-off-by: Zhichao Yu <zhichao.yu@rock-chips.com>
Change-Id: I2375125c5eafea26c983ef6f08a0ba88c4ccec7d
This commit is contained in:
Zhichao Yu
2021-04-20 22:06:07 +08:00
parent 4b0af1a9d7
commit 2592f0397b
1 changed files with 6 additions and 6 deletions
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12
drivers/media/i2c/jx_h62.c
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@@ -866,15 +866,15 @@ static int jx_h62_set_ctrl_gain(struct jx_h62 *jx_h62, u32 a_gain)
/* Total gain = 2^PGA[5:4]*(1+PGA[3:0]/16) */
if ( a_gain != jx_h62->old_gain) {
if (a_gain < 0x10) { /*1x ~ 2x*/
fine_again = a_gain;
coarse_again = 0x00 << 4;
} else if (a_gain < 0x40) { /*2x ~ 4x*/
if (a_gain <= 0x20) { /*1x ~ 2x*/
fine_again = a_gain - 16;
coarse_again = (0x00 << 4);
} else if (a_gain <= 0x40) { /*2x ~ 4x*/
fine_again = (a_gain >> 1) - 16;
coarse_again = 0x01 << 4;
} else if (a_gain < 0x80) { /*4x ~ 8x*/
} else if (a_gain <= 0x80) { /*4x ~ 8x*/
fine_again = (a_gain >> 2) - 16;
coarse_again = 0x2;
coarse_again = 0x2 << 4;
} else { /*8x ~ 15.5x*/
fine_again = (a_gain >> 3) - 16;
coarse_again = 0x03 << 4;