Messages in this thread Patch in this message | | | From | Jorge Sanjuan <> | Subject | [PATCH v4 4/4] ALSA: usb-audio: UAC3: Parse Input Terminal number of channels. | Date | Fri, 11 May 2018 16:25:37 +0100 |
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Obtain the number of channels for the Input Terminal from the Logical Cluster Descriptor. This achieves a useful minimal parsing of this unit so it can be used in other units in the topology.
Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk> --- sound/usb/mixer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 431f3c319839..19b25fbc7437 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -903,9 +903,9 @@ static int check_input_term(struct mixer_build *state, int id, * recursion calls */ term->id = id; term->type = le16_to_cpu(d->wTerminalType); + term->channels = get_cluster_channels_v3(state, d->wClusterDescrID); - /* REVISIT: UAC3 IT doesn't have channels/cfg */ - term->channels = 0; + /* REVISIT: UAC3 IT doesn't have channels cfg */ term->chconfig = 0; term->name = le16_to_cpu(d->wTerminalDescrStr); -- 2.11.0
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