It seems that, originally, the logic would allow selecting between
fine and coarse integration. However, only coarse seems to be
implemented.
Get rid of this warning:
drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c: In function
'mt9m114_s_exposure':
drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c:1003:6: warning: variable
'exposure_local' set but not used [-Wunused-but-set-variable]
u16 exposure_local[3];
^~~~~~~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
index 44db9f9f1fc5..454a5c31a206 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c
@@ -995,12 +995,10 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
struct mt9m114_device *dev = to_mt9m114_sensor(sd);
int ret = 0;
unsigned int coarse_integration = 0;
- unsigned int fine_integration = 0;
unsigned int FLines = 0;
unsigned int FrameLengthLines = 0; /* ExposureTime.FrameLengthLines; */
unsigned int AnalogGain, DigitalGain;
u32 AnalogGainToWrite = 0;
- u16 exposure_local[3];
dev_dbg(&client->dev, "%s(0x%X 0x%X 0x%X)\n", __func__,
exposure->integration_time[0], exposure->gain[0],
@@ -1032,10 +1030,7 @@ static long mt9m114_s_exposure(struct v4l2_subdev *sd,
return -EINVAL;
}
- /* set coarse/fine integration */
- exposure_local[0] = REG_EXPO_COARSE;
- exposure_local[1] = (u16)coarse_integration;
- exposure_local[2] = (u16)fine_integration;
+ /* set coarse integration */
/* 3A provide real exposure time.
should not translate to any value here. */
ret = mt9m114_write_reg(client, MISENSOR_16BIT,
--
2.14.3
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