ASoC: Implement WM8994 thermal warning and shutdown interrupt support
ALSA doesn't really have good mechanisms for dealing with these so we just
log them - the hardware already has automatic shutdown support.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index a0d6274..9412491 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3045,6 +3045,24 @@
return IRQ_HANDLED;
}
+static irqreturn_t wm8994_temp_warn(int irq, void *data)
+{
+ struct snd_soc_codec *codec = data;
+
+ dev_err(codec->dev, "Thermal warning\n");
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wm8994_temp_shut(int irq, void *data)
+{
+ struct snd_soc_codec *codec = data;
+
+ dev_crit(codec->dev, "Thermal shutdown\n");
+
+ return IRQ_HANDLED;
+}
+
static int wm8994_codec_probe(struct snd_soc_codec *codec)
{
struct wm8994 *control;
@@ -3123,6 +3141,10 @@
wm8994_request_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR,
wm8994_fifo_error, "FIFO error", codec);
+ wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
+ wm8994_temp_warn, "Thermal warning", codec);
+ wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
+ wm8994_temp_shut, "Thermal shutdown", codec);
ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
wm_hubs_dcs_done, "DC servo done",
@@ -3387,6 +3409,8 @@
wm8994_free_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
&wm8994->hubs);
wm8994_free_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR, codec);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_TEMP_SHUT, codec);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_TEMP_WARN, codec);
err:
kfree(wm8994);
return ret;
@@ -3409,6 +3433,8 @@
wm8994_free_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
&wm8994->hubs);
wm8994_free_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR, codec);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_TEMP_SHUT, codec);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_TEMP_WARN, codec);
switch (control->type) {
case WM8994: