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media: i2c: alvium: enable acquisition frame rate

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Alvium camera by default is in free running mode. Datasheet say that
acquisition frame rate reg can only be used if frame start trigger
mode is set to off.
Enable r/w acquisition frame rate and turn off trigger mode.

Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com>
[Sakari Ailus: Fix spelling of "acquisition".]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Tommaso Merciai 2024-06-10 10:10:32 +02:00 committed by Hans Verkuil
parent 6be70e7981
commit 50b631c6ec
1 changed files with 14 additions and 0 deletions
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14
drivers/media/i2c/alvium-csi2.c
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@ -1189,6 +1189,20 @@ static int alvium_set_frame_rate(struct alvium_dev *alvium, u64 fr)
struct device *dev = &alvium->i2c_client->dev;
int ret;
ret = alvium_write_hshake(alvium, REG_BCRM_ACQUISITION_FRAME_RATE_EN_RW,
1);
if (ret) {
dev_err(dev, "Fail to set acquisition frame rate enable reg\n");
return ret;
}
ret = alvium_write_hshake(alvium, REG_BCRM_FRAME_START_TRIGGER_MODE_RW,
0);
if (ret) {
dev_err(dev, "Fail to set frame start trigger mode reg\n");
return ret;
}
ret = alvium_write_hshake(alvium, REG_BCRM_ACQUISITION_FRAME_RATE_RW,
fr);
if (ret) {