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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 23:42:32 +0100 |
| commit | f07e572f6447465d8938679533d604e402b0f066 (patch) | |
| tree | cb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0825-media-i2c-imx290-Move-the-settle-time-delay-out-of-l.patch | |
| parent | 5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff) | |
| download | upstream-f07e572f6447465d8938679533d604e402b0f066.tar.gz upstream-f07e572f6447465d8938679533d604e402b0f066.tar.bz2 upstream-f07e572f6447465d8938679533d604e402b0f066.zip | |
bcm27xx: import latest patches from the RPi foundation
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>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0825-media-i2c-imx290-Move-the-settle-time-delay-out-of-l.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0825-media-i2c-imx290-Move-the-settle-time-delay-out-of-l.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0825-media-i2c-imx290-Move-the-settle-time-delay-out-of-l.patch b/target/linux/bcm27xx/patches-5.4/950-0825-media-i2c-imx290-Move-the-settle-time-delay-out-of-l.patch new file mode 100644 index 0000000000..a46c0c98ea --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0825-media-i2c-imx290-Move-the-settle-time-delay-out-of-l.patch @@ -0,0 +1,37 @@ +From d2155366275ce70438d12169a59959e90b637f9c Mon Sep 17 00:00:00 2001 +From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> +Date: Fri, 12 Jun 2020 15:53:54 +0200 +Subject: [PATCH] media: i2c: imx290: Move the settle time delay out + of loop + +Commit 6544af9b04b4484867c234ba0be1b5008e4a14ee upstream. + +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@linaro.org> +Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org> +Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> +Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> +--- + drivers/media/i2c/imx290.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +--- a/drivers/media/i2c/imx290.c ++++ b/drivers/media/i2c/imx290.c +@@ -404,11 +404,11 @@ static int imx290_set_register_array(str + 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; + } + |