From 899817e27a58038546b53bc42eeaa4aae5a886cb Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 13 Mar 2013 12:32:10 +0000 Subject: [PATCH] ASoC: arizona: Log thermal events Help with debuggability. Signed-off-by: Mark Brown --- sound/soc/codecs/arizona.c | 54 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 009810b8c667..895ddf007de2 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);