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Commit 278982b5 authored by oder_chiou@realtek.com's avatar oder_chiou@realtek.com Committed by Mark Brown
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ASoC: rt5663: Seprate the DC offset between headphone and headset 



The patch seprates the DC offset between headphone and headset.

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c1bbaff6

Documentation/devicetree/bindings/sound/rt5663.txt

+4 −1
Original line number Diff line number Diff line
@@ -14,8 +14,11 @@ Optional properties: 


- "realtek,dc_offset_l_manual"

- "realtek,dc_offset_r_manual"

- "realtek,dc_offset_l_manual_mic"

- "realtek,dc_offset_r_manual_mic"

  Based on the different PCB layout, add the manual offset value to

  compensate the DC offset for each L and R channel.

  compensate the DC offset for each L and R channel, and they are different

  between headphone and headset.



Pins on the device (for linking into audio routes) for RT5663:

include/sound/rt5663.h

+2 −0
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
struct rt5663_platform_data {

	unsigned int dc_offset_l_manual;

	unsigned int dc_offset_r_manual;

	unsigned int dc_offset_l_manual_mic;

	unsigned int dc_offset_r_manual_mic;

};



#endif

sound/soc/codecs/rt5663.c

+38 −14
Original line number Diff line number Diff line
@@ -1570,9 +1570,43 @@ static int rt5663_jack_detect(struct snd_soc_codec *codec, int jack_insert) 
		case 2:

			rt5663->jack_type = SND_JACK_HEADSET;

			rt5663_enable_push_button_irq(codec, true);



			if (rt5663->pdata.dc_offset_l_manual_mic) {

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_2,

					rt5663->pdata.dc_offset_l_manual_mic >>

					16);

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_3,

					rt5663->pdata.dc_offset_l_manual_mic &

					0xffff);

			}



			if (rt5663->pdata.dc_offset_r_manual_mic) {

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_5,

					rt5663->pdata.dc_offset_r_manual_mic >>

					16);

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_6,

					rt5663->pdata.dc_offset_r_manual_mic &

					0xffff);

			}

			break;

		default:

			rt5663->jack_type = SND_JACK_HEADPHONE;



			if (rt5663->pdata.dc_offset_l_manual) {

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_2,

					rt5663->pdata.dc_offset_l_manual >> 16);

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_3,

					rt5663->pdata.dc_offset_l_manual &

					0xffff);

			}



			if (rt5663->pdata.dc_offset_r_manual) {

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_5,

					rt5663->pdata.dc_offset_r_manual >> 16);

				regmap_write(rt5663->regmap, RT5663_MIC_DECRO_6,

					rt5663->pdata.dc_offset_r_manual &

					0xffff);

			}

			break;

		}

	} else {
@@ -3133,6 +3167,10 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) 
		&rt5663->pdata.dc_offset_l_manual);

	device_property_read_u32(dev, "realtek,dc_offset_r_manual",

		&rt5663->pdata.dc_offset_r_manual);

	device_property_read_u32(dev, "realtek,dc_offset_l_manual_mic",

		&rt5663->pdata.dc_offset_l_manual_mic);

	device_property_read_u32(dev, "realtek,dc_offset_r_manual_mic",

		&rt5663->pdata.dc_offset_r_manual_mic);



	return 0;

}
@@ -3221,20 +3259,6 @@ static int rt5663_i2c_probe(struct i2c_client *i2c, 
		dev_err(&i2c->dev, "%s:Unknown codec type\n", __func__);

	}



	if (rt5663->pdata.dc_offset_l_manual) {

		regmap_write(rt5663->regmap, RT5663_MIC_DECRO_2,

			rt5663->pdata.dc_offset_l_manual >> 16);

		regmap_write(rt5663->regmap, RT5663_MIC_DECRO_3,

			rt5663->pdata.dc_offset_l_manual & 0xffff);

	}



	if (rt5663->pdata.dc_offset_r_manual) {

		regmap_write(rt5663->regmap, RT5663_MIC_DECRO_5,

			rt5663->pdata.dc_offset_r_manual >> 16);

		regmap_write(rt5663->regmap, RT5663_MIC_DECRO_6,

			rt5663->pdata.dc_offset_r_manual & 0xffff);

	}



	/* GPIO1 as IRQ */

	regmap_update_bits(rt5663->regmap, RT5663_GPIO_1, RT5663_GP1_PIN_MASK,

		RT5663_GP1_PIN_IRQ);