On Wed Nov 26 15:00:24 2025 +0100, Jorge Ramirez-Ortiz wrote:
> The Venus encoder and decoder video devices currently report the same
> bus_info string ("platform:qcom-venus").
>
> Assign unique bus_info identifiers by appending ":dec" and ":enc" to the
> parent device name. With this change v4l2-ctl will display two separate
> logical devices
>
> Signed-off-by: Jorge Ramirez-Ortiz <[email protected]>
> Reviewed-by: Bryan O'Donoghue <[email protected]>
> Signed-off-by: Bryan O'Donoghue <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/qcom/venus/vdec.c | 6 +++++-
drivers/media/platform/qcom/venus/venc.c | 6 +++++-
2 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/platform/qcom/venus/vdec.c
b/drivers/media/platform/qcom/venus/vdec.c
index 4cd69440e875..21ca4947a849 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -433,9 +433,13 @@ vdec_g_selection(struct file *file, void *fh, struct
v4l2_selection *s)
static int
vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
{
+ struct venus_inst *inst = to_inst(file);
+ struct venus_core *core = inst->core;
+
strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
- strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
+ snprintf(cap->bus_info, sizeof(cap->bus_info),
+ "plat:%s:dec", dev_name(core->dev));
return 0;
}
diff --git a/drivers/media/platform/qcom/venus/venc.c
b/drivers/media/platform/qcom/venus/venc.c
index b478b982a80d..0b5843ba536f 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -144,9 +144,13 @@ static int venc_v4l2_to_hfi(int id, int value)
static int
venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
{
+ struct venus_inst *inst = to_inst(file);
+ struct venus_core *core = inst->core;
+
strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
strscpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
- strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
+ snprintf(cap->bus_info, sizeof(cap->bus_info),
+ "plat:%s:enc", dev_name(core->dev));
return 0;
}
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