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media: cedrus: Improve error messages for controls

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Currently error messages when control creation fails are very sparse.
Granted, user should never observe them. However, developer working on
codecs can. In such cases additional information like which control
creation failed and error number are very useful.

Expand error messages with additional info.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Jernej Skrabec 2022-06-20 18:55:13 +01:00 committed by Mauro Carvalho Chehab
parent f1a413902a
commit 1f258653e1
1 changed files with 5 additions and 2 deletions
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7
drivers/staging/media/sunxi/cedrus/cedrus.c
View file

@ -242,7 +242,8 @@ static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)
v4l2_ctrl_handler_init(hdl, CEDRUS_CONTROLS_COUNT);
if (hdl->error) {
v4l2_err(&dev->v4l2_dev,
"Failed to initialize control handler\n");
"Failed to initialize control handler: %d\n",
hdl->error);
return hdl->error;
}
@ -257,7 +258,9 @@ static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)
NULL);
if (hdl->error) {
v4l2_err(&dev->v4l2_dev,
"Failed to create new custom control\n");
"Failed to create %s control: %d\n",
v4l2_ctrl_get_name(cedrus_controls[i].cfg.id),
hdl->error);
v4l2_ctrl_handler_free(hdl);
kfree(ctx->ctrls);