I have a tsc2004 touch controller on I2C3 that is powered by vaux1, and since its probed I have to turn the power on before it can be probed. I've created:
static struct regulator_consumer_supply dm3730logic_vaux1_supply = {
.supply = "vaux1",
};
/* VAUX1 for touch chip */
static struct regulator_init_data dm3730logic_vaux1 = {
.constraints = {
.min_uV = 3000000,
.max_uV = 3000000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &dm3730logic_vaux1_supply,
};
and listed it in the twldata initializer
.vaux1 = &dm3730logic_vaux1,
But it never gets enabled... How can I tell the kernel to turn the regulator on?
If I try to call regulator_get() right before the call to omap_register_i2c_bus for I2C3, regulator_get returns a NULL due to regulator_map_list being empty. If I look in sys/class/regulator I see VAUX1 listed (as regulator.4), but there are no users.
Any suggestions on how I can turn on vaux1 so the tsc2004 touch controller is visible to by the I2C system?
Thanks in advance!
--
Peter Barada
peter.barada@xxxxxxxxxxx
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