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Commit 7b0b0ec1 authored by Peter Meerwald-Stadler's avatar Peter Meerwald-Stadler Committed by Jonathan Cameron
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iio: health: max30102: Fix mode config values 



Table 4 of the datasheet specifies the mode control, these are not
individual bits; add multi LED mode

Add multi-LED mode and fix MODE_MASK (3 bits wide, not 2)

Signed-off-by: default avatarPeter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: default avatarMatt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent c31c946a

drivers/iio/health/max30102.c

+6 −6
Original line number Diff line number Diff line
@@ -60,9 +60,10 @@ 
#define MAX30102_REG_FIFO_CONFIG_AFULL		BIT(0)



#define MAX30102_REG_MODE_CONFIG		0x09

#define MAX30102_REG_MODE_CONFIG_MODE_SPO2_EN	BIT(0)

#define MAX30102_REG_MODE_CONFIG_MODE_HR_EN	BIT(1)

#define MAX30102_REG_MODE_CONFIG_MODE_MASK	0x03

#define MAX30102_REG_MODE_CONFIG_MODE_HR	0x02 /* red LED */

#define MAX30102_REG_MODE_CONFIG_MODE_HR_SPO2	0x03 /* red + IR LED */

#define MAX30102_REG_MODE_CONFIG_MODE_MULTI	0x07 /* multi-LED mode */

#define MAX30102_REG_MODE_CONFIG_MODE_MASK	GENMASK(2, 0)

#define MAX30102_REG_MODE_CONFIG_PWR		BIT(7)



#define MAX30102_REG_SPO2_CONFIG		0x0a
@@ -287,11 +288,10 @@ static int max30102_chip_init(struct max30102_data *data) 
	if (ret)

		return ret;



	/* enable SPO2 mode */

	/* enable HR + SPO2 mode */

	ret = regmap_update_bits(data->regmap, MAX30102_REG_MODE_CONFIG,

				 MAX30102_REG_MODE_CONFIG_MODE_MASK,

				 MAX30102_REG_MODE_CONFIG_MODE_HR_EN |

				 MAX30102_REG_MODE_CONFIG_MODE_SPO2_EN);

				 MAX30102_REG_MODE_CONFIG_MODE_HR_SPO2);

	if (ret)

		return ret;