p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Brian Masney 2018-08-02 20:18:58 -04:00 committed by Jonathan Cameron
parent 28b6977e08
commit 75de3b570b
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/iio/light/tsl2772.c
View File

@ -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);