lkml.org 
[lkml]   [2018]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v4 4/4] ALSA: usb-audio: UAC3: Parse Input Terminal number of channels.
Date
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
\
 
 \ /
  Last update: 2018-05-11 17:26    [W:0.195 / U:0.296 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site