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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-5.4/950-0835-media-i2c-imx290-Switch-set_hmax-to-use-imx290_write.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-5.4/950-0835-media-i2c-imx290-Switch-set_hmax-to-use-imx290_write.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0835-media-i2c-imx290-Switch-set_hmax-to-use-imx290_write.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0835-media-i2c-imx290-Switch-set_hmax-to-use-imx290_write.patch b/target/linux/bcm27xx/patches-5.4/950-0835-media-i2c-imx290-Switch-set_hmax-to-use-imx290_write.patch new file mode 100644 index 0000000000..7819e70ea3 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0835-media-i2c-imx290-Switch-set_hmax-to-use-imx290_write.patch @@ -0,0 +1,43 @@ +From 970208edb92b04eaa329c666e2e91717984c28b6 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Fri, 26 Jun 2020 18:11:49 +0100 +Subject: [PATCH] media: i2c: imx290: Switch set_hmax to use + imx290_write_buffered_reg + +imx290_set_hmax was using two independent writes to set up hmax, +when all other multi-register writes were using imx290_write_buffered_reg +which claims the group hold first. + +Switch imx290_set_hmax to using imx290_write_buffered_reg too. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/media/i2c/imx290.c | 15 ++++----------- + 1 file changed, 4 insertions(+), 11 deletions(-) + +--- a/drivers/media/i2c/imx290.c ++++ b/drivers/media/i2c/imx290.c +@@ -568,19 +568,12 @@ static int imx290_set_hmax(struct imx290 + u32 hmax = val + imx290->current_mode->width; + int ret; + +- ret = imx290_write_reg(imx290, IMX290_HMAX_LOW, (hmax & 0xff)); +- if (ret) { ++ ret = imx290_write_buffered_reg(imx290, IMX290_HMAX_LOW, 2, ++ hmax); ++ if (ret) + dev_err(imx290->dev, "Error setting HMAX register\n"); +- return ret; +- } + +- ret = imx290_write_reg(imx290, IMX290_HMAX_HIGH, ((hmax >> 8) & 0xff)); +- if (ret) { +- dev_err(imx290->dev, "Error setting HMAX register\n"); +- return ret; +- } +- +- return 0; ++ return ret; + } + + static int imx290_set_vmax(struct imx290 *imx290, u32 val) |