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32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
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From bffad37e28b7c39543847568664635514f5a2533 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Wed, 4 Oct 2023 09:39:59 +0100
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Subject: [PATCH 0652/1085] media: rp1: cfe: Fail streaming if FE_CONFIG node
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is not enabled
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When the FE is enabled, ensure that the FE_CONFIG node is enabled.
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Otherwise fail cfe_start_streaming() entirely.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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drivers/media/platform/raspberrypi/rp1_cfe/cfe.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/drivers/media/platform/raspberrypi/rp1_cfe/cfe.c
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+++ b/drivers/media/platform/raspberrypi/rp1_cfe/cfe.c
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@@ -997,6 +997,14 @@ static int cfe_start_streaming(struct vb
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goto err_streaming;
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}
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+ /* When using the Frontend, we must enable the FE_CONFIG node. */
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+ if (is_fe_enabled(cfe) &&
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+ !check_state(cfe, NODE_ENABLED, cfe->node[FE_CONFIG].id)) {
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+ cfe_err("FE enabled, but FE_CONFIG node is not\n");
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+ ret = -EINVAL;
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+ goto err_streaming;
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+ }
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+
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ret = media_pipeline_start(&node->pad, &cfe->pipe);
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if (ret < 0) {
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cfe_err("Failed to start media pipeline: %d\n", ret);
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