Re: [PATCH v3 7/9] iio: tsl2772: add support for avago,apds9930

From: Jonathan Cameron
Date: Fri Aug 03 2018 - 17:53:46 EST


On Thu, 2 Aug 2018 20:18:58 -0400
Brian Masney <masneyb@xxxxxxxxxxxxx> wrote:

> 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@xxxxxxxxxxxxx>
Glad you noticed they were the same. will apply once precursors are in.

Thanks,

Jonathan

> ---
> drivers/iio/light/tsl2772.c | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iio/light/tsl2772.c b/drivers/iio/light/tsl2772.c
> index 4a11bf77a4d0..83cece921843 100644
> --- a/drivers/iio/light/tsl2772.c
> +++ b/drivers/iio/light/tsl2772.c
> @@ -124,7 +124,8 @@ enum {
> tsl2672,
> tmd2672,
> tsl2772,
> - tmd2772
> + tmd2772,
> + apds9930,
> };
>
> enum {
> @@ -213,6 +214,12 @@ 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,
> @@ -224,6 +231,7 @@ 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 = {
> @@ -274,6 +282,7 @@ 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 };
> @@ -299,7 +308,8 @@ 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)
> @@ -513,6 +523,7 @@ 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;
> @@ -1393,6 +1404,7 @@ static int tsl2772_device_id_verif(int id, int target)
> case tmd2672:
> case tsl2772:
> case tmd2772:
> + case apds9930:
> return (id & 0xf0) == SWORDFISH_ID;
> }
>
> @@ -1932,6 +1944,7 @@ static const struct i2c_device_id tsl2772_idtable[] = {
> { "tmd2672", tmd2672 },
> { "tsl2772", tsl2772 },
> { "tmd2772", tmd2772 },
> + { "apds9930", apds9930},
> {}
> };
>
> @@ -1948,6 +1961,7 @@ 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);