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Subject[PATCH v3 1/2] ALSA: cs35l41: obey the trigger type from DSDT
Date
On some models, CSC3551's interrupt pin connected to
APIC. We need to obey the trigger type from DSDT in this case.

Signed-off-by: ArcticLampyrid <ArcticLampyrid@outlook.com>
---
sound/pci/hda/cs35l41_hda.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index d3fa6e136744..d9c7b4034684 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <sound/hda_codec.h>
+#include <linux/irq.h>
#include <sound/soc.h>
#include <linux/pm_runtime.h>
#include <linux/spi/spi.h>
@@ -1511,6 +1512,14 @@ static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41)
irq_pol = cs35l41_gpio_config(cs35l41->regmap, hw_cfg);

if (cs35l41->irq && using_irq) {
+ struct irq_data *irq_data;
+
+ irq_data = irq_get_irq_data(cs35l41->irq);
+ if (irq_data && irqd_trigger_type_was_set(irq_data)) {
+ irq_pol = irqd_get_trigger_type(irq_data);
+ dev_info(cs35l41->dev, "Using configured IRQ Polarity: %d\n", irq_pol);
+ }
+
ret = devm_regmap_add_irq_chip(cs35l41->dev, cs35l41->regmap, cs35l41->irq,
IRQF_ONESHOT | IRQF_SHARED | irq_pol,
0, &cs35l41_regmap_irq_chip, &cs35l41->irq_data);
--
2.44.0

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