diff mbox series

[v2,3/5] media: i2c: alvium: enable acquisition frame rate

Message ID 20240610081034.1195523-4-tomm.merciai@gmail.com
State Accepted
Commit 50b631c6ecb33d45fe6919645bf19fdd3ab82f26
Headers show
Series [v2,1/5] media: i2c: alvium: fix alvium_get_fw_version() | expand

Commit Message

Tommaso Merciai June 10, 2024, 8:10 a.m. UTC 
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 aquisition frame rate and turn off trigger mode.

Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com>
---
 drivers/media/i2c/alvium-csi2.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c
index 7a38c424ea48..a88809333e56 100644
--- a/drivers/media/i2c/alvium-csi2.c
+++ b/drivers/media/i2c/alvium-csi2.c
@@ -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) {