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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-13 12:32:10 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-21 18:54:59 +0100
commit899817e27a58038546b53bc42eeaa4aae5a886cb (patch)
tree1c00e292b65db1a93e4d0011d4b0bc84e6accc36 /sound/soc/codecs/arizona.c
parent56447e1324009d7e3cec40e3cc2987843b59a00f (diff)
ASoC: arizona: Log thermal events
Help with debuggability. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 009810b8c66..895ddf007de 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -122,6 +122,42 @@ static int arizona_spk_ev(struct snd_soc_dapm_widget *w,
return 0;
}
+static irqreturn_t arizona_thermal_warn(int irq, void *data)
+{
+ struct arizona *arizona = data;
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
+ &val);
+ if (ret != 0) {
+ dev_err(arizona->dev, "Failed to read thermal status: %d\n",
+ ret);
+ } else if (val & ARIZONA_SPK_SHUTDOWN_WARN_STS) {
+ dev_crit(arizona->dev, "Thermal warning\n");
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t arizona_thermal_shutdown(int irq, void *data)
+{
+ struct arizona *arizona = data;
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
+ &val);
+ if (ret != 0) {
+ dev_err(arizona->dev, "Failed to read thermal status: %d\n",
+ ret);
+ } else if (val & ARIZONA_SPK_SHUTDOWN_STS) {
+ dev_crit(arizona->dev, "Thermal shutdown\n");
+ }
+
+ return IRQ_HANDLED;
+}
+
static const struct snd_soc_dapm_widget arizona_spkl =
SND_SOC_DAPM_PGA_E("OUT4L", ARIZONA_OUTPUT_ENABLES_1,
ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
@@ -134,6 +170,8 @@ static const struct snd_soc_dapm_widget arizona_spkr =
int arizona_init_spk(struct snd_soc_codec *codec)
{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
int ret;
ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1);
@@ -144,6 +182,22 @@ int arizona_init_spk(struct snd_soc_codec *codec)
if (ret != 0)
return ret;
+ ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_SHUTDOWN_WARN,
+ "Thermal warning", arizona_thermal_warn,
+ arizona);
+ if (ret != 0)
+ dev_err(arizona->dev,
+ "Failed to get thermal warning IRQ: %d\n",
+ ret);
+
+ ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_SHUTDOWN,
+ "Thermal shutdown", arizona_thermal_shutdown,
+ arizona);
+ if (ret != 0)
+ dev_err(arizona->dev,
+ "Failed to get thermal shutdown IRQ: %d\n",
+ ret);
+
return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_spk);