diff options
| author | Shuming Fan <shumingf@realtek.com> | 2019-10-30 16:55:33 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-10-30 14:13:21 +0000 |
| commit | e226445802cb2a51c3cb127fac31fba0a4330e87 (patch) | |
| tree | 9863c7d9cda0cb717201d4ad62501787ffef59d0 | |
| parent | e9904ed5e73af4fd00cf4fcf705420a385af45da (diff) | |
| download | linux-e226445802cb2a51c3cb127fac31fba0a4330e87.tar.bz2 | |
ASoC: rt5682: improve the sensitivity of push button
The sensitivity could improve by decreasing the HW debounce time
and reduce the delay time of workequeue.
This patch added a device property for HW debounce time control.
We could change this value to tune the sensitivity of push button.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191030085533.14299-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | include/sound/rt5682.h | 1 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5682.c | 15 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/sound/rt5682.h b/include/sound/rt5682.h index bf2ee75aabb1..bc2c31734df1 100644 --- a/include/sound/rt5682.h +++ b/include/sound/rt5682.h @@ -31,6 +31,7 @@ struct rt5682_platform_data { enum rt5682_dmic1_data_pin dmic1_data_pin; enum rt5682_dmic1_clk_pin dmic1_clk_pin; enum rt5682_jd_src jd_src; + unsigned int btndet_delay; }; #endif diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index c50b75ce82e0..35dcec135c8a 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -44,6 +44,7 @@ static const struct rt5682_platform_data i2s_default_platform_data = { .dmic1_data_pin = RT5682_DMIC1_DATA_GPIO2, .dmic1_clk_pin = RT5682_DMIC1_CLK_GPIO3, .jd_src = RT5682_JD1, + .btndet_delay = 16, }; struct rt5682_priv { @@ -1026,6 +1027,18 @@ static int rt5682_set_jack_detect(struct snd_soc_component *component, regmap_update_bits(rt5682->regmap, RT5682_IRQ_CTRL_2, RT5682_JD1_EN_MASK | RT5682_JD1_POL_MASK, RT5682_JD1_EN | RT5682_JD1_POL_NOR); + regmap_update_bits(rt5682->regmap, RT5682_4BTN_IL_CMD_4, + 0x7f7f, (rt5682->pdata.btndet_delay << 8 | + rt5682->pdata.btndet_delay)); + regmap_update_bits(rt5682->regmap, RT5682_4BTN_IL_CMD_5, + 0x7f7f, (rt5682->pdata.btndet_delay << 8 | + rt5682->pdata.btndet_delay)); + regmap_update_bits(rt5682->regmap, RT5682_4BTN_IL_CMD_6, + 0x7f7f, (rt5682->pdata.btndet_delay << 8 | + rt5682->pdata.btndet_delay)); + regmap_update_bits(rt5682->regmap, RT5682_4BTN_IL_CMD_7, + 0x7f7f, (rt5682->pdata.btndet_delay << 8 | + rt5682->pdata.btndet_delay)); mod_delayed_work(system_power_efficient_wq, &rt5682->jack_detect_work, msecs_to_jiffies(250)); break; @@ -2467,6 +2480,8 @@ static int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev) &rt5682->pdata.dmic1_clk_pin); device_property_read_u32(dev, "realtek,jd-src", &rt5682->pdata.jd_src); + device_property_read_u32(dev, "realtek,btndet-delay", + &rt5682->pdata.btndet_delay); rt5682->pdata.ldo1_en = of_get_named_gpio(dev->of_node, "realtek,ldo1-en-gpios", 0); |