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ASoC: ts3a227e: add parameters to control debounce times 

Add devicetree parameters to control the insert, release and press
debounce times.

Signed-off-by: Astrid Rost <astrid.rost@axis.com>
Link: https://lore.kernel.org/r/20220921081834.22009-4-astrid.rost@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Astrid Rost 2022-09-21 10:18:34 +02:00 committed by Mark Brown
parent f7aadbb23c
commit d20fa87e80
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 55 additions and 6 deletions
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61
sound/soc/codecs/ts3a227e.c
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@ -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;