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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-13 13:32:10 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-21 18:54:59 +0100 |
| commit | 899817e27a58038546b53bc42eeaa4aae5a886cb (patch) | |
| tree | 1c00e292b65db1a93e4d0011d4b0bc84e6accc36 /sound | |
| parent | ASoC: arizona: Factor out speaker widgets from CODEC drivers (diff) | |
| download | linux-899817e27a58038546b53bc42eeaa4aae5a886cb.tar.xz linux-899817e27a58038546b53bc42eeaa4aae5a886cb.zip | |
ASoC: arizona: Log thermal events
Help with debuggability.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/arizona.c | 54 |
1 files changed, 54 insertions, 0 deletions
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); |