Unverified Commit e2264458 authored by Shuming Fan's avatar Shuming Fan Committed by Mark Brown
Browse files

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: default avatarShuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191030085533.14299-1-shumingf@realtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e9904ed5

include/sound/rt5682.h

+1 −0
Original line number Diff line number Diff line
@@ -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

sound/soc/codecs/rt5682.c

+15 −0
Original line number Diff line number Diff line
@@ -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);

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