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62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From d2155366275ce70438d12169a59959e90b637f9c Mon Sep 17 00:00:00 2001
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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Date: Fri, 12 Jun 2020 15:53:54 +0200
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Subject: [PATCH] media: i2c: imx290: Move the settle time delay out
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of loop
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Commit 6544af9b04b4484867c234ba0be1b5008e4a14ee upstream.
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The 10ms settle time is needed only at the end of all consecutive
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register writes. So move the delay to outside of the for loop of
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imx290_set_register_array().
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Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
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Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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---
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drivers/media/i2c/imx290.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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--- a/drivers/media/i2c/imx290.c
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+++ b/drivers/media/i2c/imx290.c
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@@ -404,11 +404,11 @@ static int imx290_set_register_array(str
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ret = imx290_write_reg(imx290, settings->reg, settings->val);
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if (ret < 0)
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return ret;
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-
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- /* Settle time is 10ms for all registers */
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- msleep(10);
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}
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+ /* Provide 10ms settle time */
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+ msleep(10);
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+
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return 0;
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}
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