Commit 75de3b57 authored by Brian Masney's avatar Brian Masney Committed by Jonathan Cameron
Browse files

iio: tsl2772: add support for avago,apds9930 

The Avago APDS9930 has the same register set as the TAOS/AMS TSL2772 so
this patch adds the correct bindings and the appropriate LUX table
values derived from the values in the datasheet. Driver was tested on a
LG Nexus 5 (hammerhead) phone.

avago,apds9930 datasheet:
https://www.mouser.com/datasheet/2/678/avago_AV02-3190EN_DS_APDS-9930_2014-03-25[1]-1217273.pdf

tsl2772 datasheet:
https://ams.com/eng/content/download/291503/1066377/file/TSL2772_DS000181_2-00.pdf



Signed-off-by: default avatarBrian Masney <masneyb@onstation.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 28b6977e

drivers/iio/light/tsl2772.c

+16 −2
Original line number Diff line number Diff line
@@ -120,7 +120,8 @@ enum { 
	tsl2672,

	tmd2672,

	tsl2772,

	tmd2772

	tmd2772,

	apds9930,

};



enum {
@@ -207,6 +208,12 @@ static const struct tsl2772_lux tmd2x72_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = { 
	{     0,      0 },

};



static const struct tsl2772_lux apds9930_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = {

	{ 52000,  96824 },

	{ 38792,  67132 },

	{     0,      0 },

};



static const struct tsl2772_lux *tsl2772_default_lux_table_group[] = {

	[tsl2571] = tsl2x71_lux_table,

	[tsl2671] = tsl2x71_lux_table,
@@ -218,6 +225,7 @@ static const struct tsl2772_lux *tsl2772_default_lux_table_group[] = { 
	[tmd2672] = tmd2x72_lux_table,

	[tsl2772] = tsl2x72_lux_table,

	[tmd2772] = tmd2x72_lux_table,

	[apds9930] = apds9930_lux_table,

};



static const struct tsl2772_settings tsl2772_default_settings = {
@@ -268,6 +276,7 @@ static const int tsl2772_int_time_avail[][6] = { 
	[tmd2672] = { 0, 2730, 0, 2730, 0, 699000 },

	[tsl2772] = { 0, 2730, 0, 2730, 0, 699000 },

	[tmd2772] = { 0, 2730, 0, 2730, 0, 699000 },

	[apds9930] = { 0, 2730, 0, 2730, 0, 699000 },

};



static int tsl2772_int_calibscale_avail[] = { 1, 8, 16, 120 };
@@ -293,7 +302,8 @@ static const u8 device_channel_config[] = { 
	[tsl2672] = PRX2,

	[tmd2672] = PRX2,

	[tsl2772] = ALSPRX2,

	[tmd2772] = ALSPRX2

	[tmd2772] = ALSPRX2,

	[apds9930] = ALSPRX2,

};



static int tsl2772_read_status(struct tsl2772_chip *chip)
@@ -507,6 +517,7 @@ static int tsl2772_get_prox(struct iio_dev *indio_dev) 
	case tmd2672:

	case tsl2772:

	case tmd2772:

	case apds9930:

		if (!(ret & TSL2772_STA_PRX_VALID)) {

			ret = -EINVAL;

			goto prox_poll_err;
@@ -1341,6 +1352,7 @@ static int tsl2772_device_id_verif(int id, int target) 
	case tmd2672:

	case tsl2772:

	case tmd2772:

	case apds9930:

		return (id & 0xf0) == SWORDFISH_ID;

	}
@@ -1839,6 +1851,7 @@ static const struct i2c_device_id tsl2772_idtable[] = { 
	{ "tmd2672", tmd2672 },

	{ "tsl2772", tsl2772 },

	{ "tmd2772", tmd2772 },

	{ "apds9930", apds9930},

	{}

};
@@ -1855,6 +1868,7 @@ static const struct of_device_id tsl2772_of_match[] = { 
	{ .compatible = "amstaos,tmd2672" },

	{ .compatible = "amstaos,tsl2772" },

	{ .compatible = "amstaos,tmd2772" },

	{ .compatible = "avago,apds9930" },

	{}

};

MODULE_DEVICE_TABLE(of, tsl2772_of_match);

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