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leds: lm3559: Fix overexposed images when flash is used

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Change-Id: Ie353c61644e07d22448331961f16b06721f8ac77
Signed-off-by: John Kramer <john.kramer@motorola.com>
This commit is contained in:
John Kramer 2011-01-11 10:43:59 -06:00 committed by Rebecca Schultz Zavin
parent 01e596103e
commit acbdbf3a12
1 changed files with 3 additions and 5 deletions
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8
drivers/leds/led-lm3559.c
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@ -281,10 +281,9 @@ static int lm3559_flash_prepare(struct lm3559_data *torch_data)
if (err)
return err;
if (torch_data->flash_dev.brightness != LED_OFF) {
if (torch_data->flash_dev.brightness) {
uint8_t strobe_brightness;
uint val = torch_data->flash_dev.brightness;
val = (val * (1024/LM3559_STROBE_STEP)) >> 10;
uint val = torch_data->flash_dev.brightness - 1;
strobe_brightness = val | (val << 4);
err = lm3559_write_reg(torch_data, LM3559_FLASH_BRIGHTNESS,
@ -335,8 +334,7 @@ static int lm3559_torch_enable(struct lm3559_data *torch_data)
if (torch_data->torch_dev.brightness) {
uint8_t torch_brightness;
uint val = torch_data->torch_dev.brightness;
val = (val * (1024/LM3559_TORCH_STEP)) >> 10;
uint val = (torch_data->torch_dev.brightness - 1) & 0x3F;
torch_brightness = val | (val << 3);
err = lm3559_write_reg(torch_data, LM3559_TORCH_BRIGHTNESS,