diff options
Diffstat (limited to 'sound/soc/codecs/cs35l34.c')
| -rw-r--r-- | sound/soc/codecs/cs35l34.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sound/soc/codecs/cs35l34.c b/sound/soc/codecs/cs35l34.c index a5a8075598ff..35bc38132f23 100644 --- a/sound/soc/codecs/cs35l34.c +++ b/sound/soc/codecs/cs35l34.c @@ -45,6 +45,7 @@ struct cs35l34_private { int num_core_supplies; int mclk_int; bool tdm_mode; + bool irq_requested; struct gpio_desc *reset_gpio; /* Active-low reset GPIO */ }; @@ -1032,10 +1033,12 @@ static int cs35l34_i2c_probe(struct i2c_client *i2c_client) } ret = devm_request_threaded_irq(&i2c_client->dev, i2c_client->irq, NULL, - cs35l34_irq_thread, IRQF_ONESHOT | IRQF_TRIGGER_LOW, - "cs35l34", cs35l34); + cs35l34_irq_thread, IRQF_ONESHOT | IRQF_TRIGGER_LOW, + "cs35l34", cs35l34); if (ret != 0) dev_err(&i2c_client->dev, "Failed to request IRQ: %d\n", ret); + else + cs35l34->irq_requested = true; cs35l34->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, "reset", GPIOD_OUT_LOW); @@ -1140,6 +1143,9 @@ static int cs35l34_runtime_resume(struct device *dev) dev_err(dev, "Failed to restore register cache\n"); goto err; } + + if (cs35l34->irq_requested) + enable_irq(to_i2c_client(dev)->irq); return 0; err: regcache_cache_only(cs35l34->regmap, true); @@ -1153,6 +1159,10 @@ static int cs35l34_runtime_suspend(struct device *dev) { struct cs35l34_private *cs35l34 = dev_get_drvdata(dev); + /* Drain and block the threaded IRQ before cache_only/power-off. */ + if (cs35l34->irq_requested) + disable_irq(to_i2c_client(dev)->irq); + regcache_cache_only(cs35l34->regmap, true); regcache_mark_dirty(cs35l34->regmap); |