[PATCH v5 09/10] media: i2c: imx290: Move the settle time delay out of loop

From: Andrey Konovalov
Date: Fri Jun 12 2020 - 09:55:42 EST


From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

The 10ms settle time is needed only at the end of all consecutive
register writes. So move the delay to outside of the for loop of
imx290_set_register_array().

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Signed-off-by: Andrey Konovalov <andrey.konovalov@xxxxxxxxxx>
---
drivers/media/i2c/imx290.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index fd147fac5ef2..02001c1b0dfc 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -404,11 +404,11 @@ static int imx290_set_register_array(struct imx290 *imx290,
ret = imx290_write_reg(imx290, settings->reg, settings->val);
if (ret < 0)
return ret;
-
- /* Settle time is 10ms for all registers */
- msleep(10);
}

+ /* Provide 10ms settle time */
+ msleep(10);
+
return 0;
}

--
2.17.1