path: root/sound
diff options
authorTzung-Bi Shih <tzungbi@google.com>2018-11-14 17:06:13 +0800
committerMark Brown <broonie@kernel.org>2018-11-14 14:26:00 -0800
commit882eab6c28d23a970ae73b7eb831b169a672d456 (patch)
treed55876fa0887424249cf38738144ca9bd8cd080c /sound
parent76836fd354922ebe4798a64fda01f8dc6a8b0984 (diff)
ASoC: dapm: Recalculate audio map forcely when card instantiated
Audio map are possible in wrong state before card->instantiated has been set to true. Imaging the following examples: time 1: at the beginning in:-1 in:-1 in:-1 in:-1 out:-1 out:-1 out:-1 out:-1 SIGGEN A B Spk time 2: after someone called snd_soc_dapm_new_widgets() (e.g. create_fill_widget_route_map() in sound/soc/codecs/hdac_hdmi.c) in:1 in:0 in:0 in:0 out:0 out:0 out:0 out:1 SIGGEN A B Spk time 3: routes added in:1 in:0 in:0 in:0 out:0 out:0 out:0 out:1 SIGGEN -----> A -----> B ---> Spk In the end, the path should be powered on but it did not. At time 3, "in" of SIGGEN and "out" of Spk did not propagate to their neighbors because snd_soc_dapm_add_path() will not invalidate the paths if the card has not instantiated (i.e. card->instantiated is false). To correct the state of audio map, recalculate the whole map forcely. Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 6ddcf12bc030..b29d0f65611e 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2131,6 +2131,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
card->instantiated = 1;
+ dapm_mark_endpoints_dirty(card);