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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From 1551a08118c8e468b3afe0dd5ae0cfa47b7518e1 Mon Sep 17 00:00:00 2001
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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Date: Mon, 16 Jan 2023 15:44:53 +0100
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Subject: [PATCH] media: i2c: imx290: Simplify imx290_set_data_lanes()
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Upstream commit 76c001287f6a
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There's no need to check for an incorrect number of data lanes in
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imx290_set_data_lanes() as the value is validated at probe() time. Drop
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the check.
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The PHY_LANE_NUM and CSI_LANE_MODE registers are programmed with a value
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equal to the number of lanes minus one. Compute it instead of handling
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it in the switch/case.
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
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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@kernel.org>
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---
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drivers/media/i2c/imx290.c | 17 +++++------------
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1 file changed, 5 insertions(+), 12 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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@@ -512,28 +512,21 @@ static int imx290_set_register_array(str
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static int imx290_set_data_lanes(struct imx290 *imx290)
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{
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- int ret = 0, laneval, frsel;
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+ int ret = 0;
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+ u32 frsel;
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switch (imx290->nlanes) {
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case 2:
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- laneval = 0x01;
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+ default:
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frsel = 0x02;
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break;
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case 4:
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- laneval = 0x03;
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frsel = 0x01;
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break;
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- default:
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- /*
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- * We should never hit this since the data lane count is
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- * validated in probe itself
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- */
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- dev_err(imx290->dev, "Lane configuration not supported\n");
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- return -EINVAL;
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}
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- imx290_write(imx290, IMX290_PHY_LANE_NUM, laneval, &ret);
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- imx290_write(imx290, IMX290_CSI_LANE_MODE, laneval, &ret);
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+ imx290_write(imx290, IMX290_PHY_LANE_NUM, imx290->nlanes - 1, &ret);
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+ imx290_write(imx290, IMX290_CSI_LANE_MODE, imx290->nlanes - 1, &ret);
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imx290_write(imx290, IMX290_FR_FDG_SEL, frsel, &ret);
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return ret;
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