On Thu, 03 Dec 2015 11:45:50 +0100, Adam Thomson wrote:
This patch adds support to the codec driver to handle mic level detect related IRQs, and report these to user-space using a uevent variable.
Is the uevent the best way for this?
thanks,
Takashi
Signed-off-by: Adam Thomson Adam.Thomson.Opensource@diasemi.com
sound/soc/codecs/da7218.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c index 4fee7ae..752ed04 100644 --- a/sound/soc/codecs/da7218.c +++ b/sound/soc/codecs/da7218.c @@ -2202,6 +2202,16 @@ int da7218_hpldet(struct snd_soc_codec *codec, struct snd_soc_jack *jack) } EXPORT_SYMBOL_GPL(da7218_hpldet);
+static void da7218_micldet_irq(struct snd_soc_codec *codec) +{
- char *envp[] = {
"EVENT=MIC_LEVEL_DETECT",NULL,- };
- kobject_uevent_env(&codec->dev->kobj, KOBJ_CHANGE, envp);
+}
static void da7218_hpldet_irq(struct snd_soc_codec *codec) { struct da7218_priv *da7218 = snd_soc_codec_get_drvdata(codec); @@ -2232,6 +2242,10 @@ static irqreturn_t da7218_irq_thread(int irq, void *data) if (!status) return IRQ_NONE;
- /* Mic level detect */
- if (status & DA7218_LVL_DET_EVENT_MASK)
da7218_micldet_irq(codec);- /* HP detect */ if (status & DA7218_HPLDET_JACK_EVENT_MASK) da7218_hpldet_irq(codec);
@@ -2936,11 +2950,6 @@ static int da7218_probe(struct snd_soc_codec *codec) }
if (da7218->irq) {
/* Mask off mic level events, currently not handled */snd_soc_update_bits(codec, DA7218_EVENT_MASK,DA7218_LVL_DET_EVENT_MSK_MASK,DA7218_LVL_DET_EVENT_MSK_MASK);- ret = devm_request_threaded_irq(codec->dev, da7218->irq, NULL, da7218_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-- 1.9.3