Add devicetree parameters to control the insert, release and press
debounce times.
Signed-off-by: Astrid Rost <[email protected]>
---
sound/soc/codecs/ts3a227e.c | 61 +++++++++++++++++++++++++++++++++----
1 file changed, 55 insertions(+), 6 deletions(-)
diff --git a/sound/soc/codecs/ts3a227e.c b/sound/soc/codecs/ts3a227e.c
index d8ab0810fceb..2305a472d132 100644
--- a/sound/soc/codecs/ts3a227e.c
+++ b/sound/soc/codecs/ts3a227e.c
@@ -78,12 +78,20 @@ static const int ts3a227e_buttons[] = {
#define ADC_COMPLETE_INT_DISABLE 0x04
#define INTB_DISABLE 0x08
+/* TS3A227E_REG_SETTING_1 0x4 */
+#define DEBOUNCE_INSERTION_SETTING_SFT (0)
+#define DEBOUNCE_INSERTION_SETTING_MASK (0x7 << DEBOUNCE_PRESS_SETTING_SFT)
+
/* TS3A227E_REG_SETTING_2 0x05 */
#define KP_ENABLE 0x04
/* TS3A227E_REG_SETTING_3 0x06 */
-#define MICBIAS_SETTING_SFT (3)
+#define MICBIAS_SETTING_SFT 3
#define MICBIAS_SETTING_MASK (0x7 << MICBIAS_SETTING_SFT)
+#define DEBOUNCE_RELEASE_SETTING_SFT 2
+#define DEBOUNCE_RELEASE_SETTING_MASK (0x1 << DEBOUNCE_RELEASE_SETTING_SFT)
+#define DEBOUNCE_PRESS_SETTING_SFT 0
+#define DEBOUNCE_PRESS_SETTING_MASK (0x3 << DEBOUNCE_PRESS_SETTING_SFT)
/* TS3A227E_REG_ACCESSORY_STATUS 0x0b */
#define TYPE_3_POLE 0x01
@@ -136,7 +144,7 @@ static bool ts3a227e_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case TS3A227E_REG_INTERRUPT ... TS3A227E_REG_INTERRUPT_DISABLE:
- case TS3A227E_REG_SETTING_2:
+ case TS3A227E_REG_SETTING_1 ... TS3A227E_REG_SETTING_2:
case TS3A227E_REG_SWITCH_STATUS_1 ... TS3A227E_REG_ADC_OUTPUT:
return true;
default:
@@ -269,14 +277,55 @@ static const struct regmap_config ts3a227e_regmap_config = {
static int ts3a227e_parse_device_property(struct ts3a227e *ts3a227e,
struct device *dev)
{
- u32 micbias;
+ u32 value;
+ u32 value_ms;
+ u32 setting3_value = 0;
+ u32 setting3_mask = 0;
int err;
- err = device_property_read_u32(dev, "ti,micbias", &micbias);
+ err = device_property_read_u32(dev, "ti,micbias", &value);
+ if (!err) {
+ setting3_mask = MICBIAS_SETTING_MASK;
+ setting3_value = (value << MICBIAS_SETTING_SFT) &
+ MICBIAS_SETTING_MASK;
+ }
+
+ err = device_property_read_u32(dev, "ti,debounce-release-ms",
+ &value_ms);
if (!err) {
+ value = (value_ms > 10);
+ setting3_mask |= DEBOUNCE_RELEASE_SETTING_MASK;
+ setting3_value |= (value << DEBOUNCE_RELEASE_SETTING_SFT) &
+ DEBOUNCE_RELEASE_SETTING_MASK;
+ }
+
+ err = device_property_read_u32(dev, "ti,debounce-press-ms", &value_ms);
+ if (!err) {
+ value = (value_ms + 20) / 40;
+ if (value > 3)
+ value = 3;
+ setting3_mask |= DEBOUNCE_PRESS_SETTING_MASK;
+ setting3_value |= (value << DEBOUNCE_PRESS_SETTING_SFT) &
+ DEBOUNCE_PRESS_SETTING_MASK;
+ }
+
+ if (setting3_mask)
regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_3,
- MICBIAS_SETTING_MASK,
- (micbias & 0x07) << MICBIAS_SETTING_SFT);
+ setting3_mask, setting3_value);
+
+ err = device_property_read_u32(dev, "ti,debounce-insertion-ms",
+ &value_ms);
+ if (!err) {
+ if (value_ms < 165)
+ value = (value_ms + 15) / 30;
+ else if (value_ms < 1500)
+ value = 6;
+ else
+ value = 7;
+ regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_1,
+ DEBOUNCE_INSERTION_SETTING_MASK,
+ (value << DEBOUNCE_INSERTION_SETTING_SFT) &
+ DEBOUNCE_INSERTION_SETTING_MASK);
}
return 0;
--
2.20.1