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f07e572f64
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>
44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
From 970208edb92b04eaa329c666e2e91717984c28b6 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 26 Jun 2020 18:11:49 +0100
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Subject: [PATCH] media: i2c: imx290: Switch set_hmax to use
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imx290_write_buffered_reg
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imx290_set_hmax was using two independent writes to set up hmax,
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when all other multi-register writes were using imx290_write_buffered_reg
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which claims the group hold first.
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Switch imx290_set_hmax to using imx290_write_buffered_reg too.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/media/i2c/imx290.c | 15 ++++-----------
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1 file changed, 4 insertions(+), 11 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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@@ -568,19 +568,12 @@ static int imx290_set_hmax(struct imx290
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u32 hmax = val + imx290->current_mode->width;
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int ret;
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- ret = imx290_write_reg(imx290, IMX290_HMAX_LOW, (hmax & 0xff));
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- if (ret) {
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+ ret = imx290_write_buffered_reg(imx290, IMX290_HMAX_LOW, 2,
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+ hmax);
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+ if (ret)
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dev_err(imx290->dev, "Error setting HMAX register\n");
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- return ret;
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- }
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- ret = imx290_write_reg(imx290, IMX290_HMAX_HIGH, ((hmax >> 8) & 0xff));
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- if (ret) {
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- dev_err(imx290->dev, "Error setting HMAX register\n");
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- return ret;
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- }
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-
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- return 0;
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+ return ret;
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}
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static int imx290_set_vmax(struct imx290 *imx290, u32 val)
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