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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
From 8f57ad92b4eec553b7e411558a4f503155d95fba Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 31 Mar 2022 17:12:12 +0100
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Subject: [PATCH 0457/1085] media: i2c: imx258: Issue reset before starting
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streaming
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Whilst not documented, register 0x0103 bit 0 is the soft
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reset for the sensor, so send it before trying to configure
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the sensor.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/media/i2c/imx258.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/media/i2c/imx258.c
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+++ b/drivers/media/i2c/imx258.c
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@@ -20,6 +20,8 @@
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#define IMX258_MODE_STANDBY 0x00
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#define IMX258_MODE_STREAMING 0x01
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+#define IMX258_REG_RESET 0x0103
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+
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/* Chip ID */
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#define IMX258_REG_CHIP_ID 0x0016
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#define IMX258_CHIP_ID 0x0258
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@@ -1279,6 +1281,14 @@ static int imx258_start_streaming(struct
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const struct imx258_link_freq_config *link_freq_cfg;
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int ret, link_freq_index;
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+ ret = imx258_write_reg(imx258, IMX258_REG_RESET, IMX258_REG_VALUE_08BIT,
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+ 0x01);
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+ if (ret) {
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+ dev_err(&client->dev, "%s failed to reset sensor\n", __func__);
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+ return ret;
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+ }
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+ usleep_range(10000, 15000);
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+
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/* Setup PLL */
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link_freq_index = imx258->cur_mode->link_freq_index;
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link_freq_cfg = &imx258->link_freq_configs[link_freq_index];
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