From: KaiChieh Chuang <kaichieh.chu...@mediatek.com>
This fix a bug in dapm_widget_power_read_file(),
where it may sent opposite order of source/sink widget
into the p->connected().
for example,
static int connected_check(source, sink);
{"w_sink", NULL, "w_source", connected_check}
the dapm_widget_power_read_file() will query p->connected()
in following case
p->conneted("w_source", "w_sink")
p->conneted("w_sink", "w_source")
we should avoid the last case, since it's the wrong order (source/sink)
as declared in snd_soc_dapm_route.
Signed-off-by: KaiChieh Chuang <kaichieh.chu...@mediatek.com>
Signed-off-by: Mark Brown <broo...@kernel.org>
Signed-off-by: Matthias Kaehlcke <m...@chromium.org>
---
sound/soc/soc-dapm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a10b21cfc31e..ee6d9d9a3c5e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2026,7 +2026,7 @@ static ssize_t dapm_widget_power_read_file(struct file
*file,
snd_soc_dapm_for_each_direction(dir) {
rdir = SND_SOC_DAPM_DIR_REVERSE(dir);
snd_soc_dapm_widget_for_each_path(w, dir, p) {
- if (p->connected && !p->connected(w, p->node[rdir]))
+ if (p->connected && !p->connected(p->source, p->sink))
continue;
if (!p->connect)
--
2.16.0.rc1.238.g530d649a79-goog
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