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37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
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From 62e8ab88d2c230dad122aabe2ad0e227d7ceba40 Mon Sep 17 00:00:00 2001
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From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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Date: Thu, 28 Sep 2023 10:42:22 +0300
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Subject: [PATCH] media: rp1: csi2: Fix missing reg writes
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The driver has two places where it writes a register based on a
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condition, and when that condition is false, the driver presumes that
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the register has the reset value. This is not a good idea, so fix those
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places to always write the register.
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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---
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drivers/media/platform/raspberrypi/rp1_cfe/csi2.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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--- a/drivers/media/platform/raspberrypi/rp1_cfe/csi2.c
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+++ b/drivers/media/platform/raspberrypi/rp1_cfe/csi2.c
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@@ -253,6 +253,7 @@ void csi2_start_channel(struct csi2_devi
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*/
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set_field(&ctrl, 0x3ff, LC_MASK);
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set_field(&ctrl, 0x00, CH_MODE_MASK);
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+ csi2_reg_write(csi2, CSI2_CH_FRAME_SIZE(channel), 0);
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}
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set_field(&ctrl, dt, DT_MASK);
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@@ -277,8 +278,8 @@ void csi2_open_rx(struct csi2_device *cs
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{
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dphy_start(&csi2->dphy);
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- if (!csi2->multipacket_line)
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- csi2_reg_write(csi2, CSI2_CTRL, EOP_IS_EOL);
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+ csi2_reg_write(csi2, CSI2_CTRL,
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+ csi2->multipacket_line ? 0 : EOP_IS_EOL);
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}
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void csi2_close_rx(struct csi2_device *csi2)
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