From: Curtis Malainey <cujomalainey@xxxxxxxxxxxx> Provide a UCM value to mark devices which are needed to be opened only for HW purposes but should not be consumed for userspace. Signed-off-by: Curtis Malainey <cujomalainey@xxxxxxxxxxxx> --- include/use-case.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/use-case.h b/include/use-case.h index 3c7c0a26..3d629667 100644 --- a/include/use-case.h +++ b/include/use-case.h @@ -387,6 +387,12 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, * device with the same parameters it opens the source device with. * - EDIDFile * - Path to EDID file for HDMI devices + * - IVDataEcho + * - Used only on devices pointed to by EchoReferenceDev. Used to mark + * references that might be lower quality (e.g. reduced bit depth) as + * they are intended for a HW feature and not userspace consumption. + * These PCMs still need to be opened by userspace but are not + * recommended for consumption. * - JackCTL * - jack control device name * - JackControl -- 2.42.0.rc1.204.g551eb34607-goog
