diff options
Diffstat (limited to 'drivers/input/touchscreen/atmel_mxt_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 7659bc48f1db..20e1224d1a6d 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -324,6 +324,8 @@ struct mxt_data { /* for config update handling */ struct completion crc_completion; + + enum mxt_suspend_mode suspend_mode; }; struct mxt_vb2_buffer { @@ -2868,7 +2870,7 @@ static const struct attribute_group mxt_attr_group = { static void mxt_start(struct mxt_data *data) { - switch (data->pdata->suspend_mode) { + switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: mxt_soft_reset(data); @@ -2886,12 +2888,11 @@ static void mxt_start(struct mxt_data *data) mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false); break; } - } static void mxt_stop(struct mxt_data *data) { - switch (data->pdata->suspend_mode) { + switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: /* Touch disable */ mxt_write_object(data, @@ -2954,8 +2955,6 @@ static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) pdata->t19_keymap = keymap; } - pdata->suspend_mode = MXT_SUSPEND_DEEP_SLEEP; - return pdata; } #else @@ -3109,6 +3108,21 @@ mxt_get_platform_data(struct i2c_client *client) return ERR_PTR(-EINVAL); } +static const struct dmi_system_id chromebook_T9_suspend_dmi[] = { + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Link"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Peppy"), + }, + }, + { } +}; + static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct mxt_data *data; @@ -3135,6 +3149,9 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) init_completion(&data->reset_completion); init_completion(&data->crc_completion); + data->suspend_mode = dmi_check_system(chromebook_T9_suspend_dmi) ? + MXT_SUSPEND_T9_CTRL : MXT_SUSPEND_DEEP_SLEEP; + data->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(data->reset_gpio)) { |