On Tue Jun 2 14:59:21 2026 +0100, Bryan O'Donoghue wrote:
> commit 66c744e28b69 ("media: venus: assign unique bus_info strings for
> encoder and decoder") introduced the naming convention
> plat:node-addr:video-codec{enc|dec}. Right now Iris does not replicate this
> naming convention.
>
> When we do v4l2-ctrl --list -devices we see:
> Iris Decoder (platform:aa00000.video-codec):
> /dev/video0
> /dev/video1
>
> Enumerate the bus_info field of the capabilities structure for namespace
> parity and appropriate differentiation:
> Iris Decoder (plat:aa00000.video-codec:dec):
> /dev/video0
>
> Iris Encoder (plat:aa00000.video-codec:enc):
> /dev/video1
>
> Fixes: 5ad964ad5656 ("media: iris: Initialize and deinitialize encoder
> instance structure")
> Cc: [email protected]
> Signed-off-by: Bryan O'Donoghue <[email protected]>
> Reviewed-by: Dmitry Baryshkov <[email protected]>
> Signed-off-by: Bryan O'Donoghue <[email protected]>
Patch committed.
Thanks,
Bryan O'Donoghue
drivers/media/platform/qcom/iris/iris_vidc.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c
b/drivers/media/platform/qcom/iris/iris_vidc.c
index 14d63dc76c9b..1c052ca235be 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -449,14 +449,21 @@ static int iris_enum_frameintervals(struct file *filp,
void *fh,
static int iris_querycap(struct file *filp, void *fh, struct v4l2_capability
*cap)
{
+ struct iris_core *core = video_drvdata(filp);
struct iris_inst *inst = iris_get_inst(filp);
+ char *info;
strscpy(cap->driver, IRIS_DRV_NAME, sizeof(cap->driver));
- if (inst->domain == DECODER)
+ if (inst->domain == DECODER) {
strscpy(cap->card, "Iris Decoder", sizeof(cap->card));
- else
+ info = "dec";
+ } else {
strscpy(cap->card, "Iris Encoder", sizeof(cap->card));
+ info = "enc";
+ }
+ snprintf(cap->bus_info, sizeof(cap->bus_info),
+ "plat:%s:%s", dev_name(core->dev), info);
return 0;
}
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