diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0976-staging-bcm2835-codec-Correct-buffer-number-change-o.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0976-staging-bcm2835-codec-Correct-buffer-number-change-o.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0976-staging-bcm2835-codec-Correct-buffer-number-change-o.patch b/target/linux/bcm27xx/patches-5.4/950-0976-staging-bcm2835-codec-Correct-buffer-number-change-o.patch new file mode 100644 index 0000000000..c0193cb2e7 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0976-staging-bcm2835-codec-Correct-buffer-number-change-o.patch @@ -0,0 +1,30 @@ +From 96f4d69496b483b8eb65dc4602d5cb96844f6647 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Wed, 30 Sep 2020 12:13:44 +0100 +Subject: [PATCH] staging: bcm2835-codec: Correct buffer number + change on start streaming + +"cac8c90 staging: vc04_service: codec: Allow start_streaming to update +the buffernum" allowed the number of buffers configured to be decreased +as well as increased, but there is no requirement for all buffers to +have been queued when start_streaming is called. + +Only allow increasing the buffernum. + +Fixes: "cac8c90 staging: vc04_service: codec: Allow start_streaming to update the buffernum" +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + .../staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c ++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c +@@ -2290,7 +2290,7 @@ static int bcm2835_codec_start_streaming + if (count < port->minimum_buffer.num) + count = port->minimum_buffer.num; + +- if (port->current_buffer.num != count + 1) { ++ if (port->current_buffer.num < count + 1) { + v4l2_dbg(2, debug, &ctx->dev->v4l2_dev, "%s: ctx:%p, buffer count changed %u to %u\n", + __func__, ctx, port->current_buffer.num, count + 1); + |