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ASoC: arizona: Log thermal events 

Help with debuggability.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
hifive-unleashed-5.1
Mark Brown 2013-03-13 12:32:10 +00:00
parent 56447e1324
commit 899817e27a
1 changed files with 54 additions and 0 deletions
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54
sound/soc/codecs/arizona.c
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@ -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);