Commit 899817e2 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: arizona: Log thermal events 



Help with debuggability.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 56447e13

sound/soc/codecs/arizona.c

+54 −0
Original line number Diff line number Diff line
@@ -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);