The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 747df19747bc9752cd40b9cce761e17a033aa5c2 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@xxxxxxxxxx>
Date: Thu, 11 Oct 2018 20:32:05 +0200
Subject: [PATCH] ASoC: sta32x: set ->component pointer in private struct
The ESD watchdog code in sta32x_watchdog() dereferences the pointer
which is never assigned.
This is a regression from a1be4cead9b950 ("ASoC: sta32x: Convert to direct
regmap API usage.") which went unnoticed since nobody seems to use that ESD
workaround.
Fixes: a1be4cead9b950 ("ASoC: sta32x: Convert to direct regmap API usage.")
Signed-off-by: Daniel Mack <daniel@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index d5035f2f2b2b..ce508b4cc85c 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -879,6 +879,9 @@ static int sta32x_probe(struct snd_soc_component *component)
struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
struct sta32x_platform_data *pdata = sta32x->pdata;
int i, ret = 0, thermal = 0;
+
+ sta32x->component = component;
+
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
