--- drivers/i2c/chips/tps65200.c
+++ drivers/i2c/chips/tps65200.c
@@ -22,7 +22,7 @@
#include <asm/mach-types.h>
static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
-
+static int tps65200_initial = -1;
/**
* Insmod parameters
*/
@@ -174,19 +174,21 @@ int tps_set_charger_ctrl(u32 ctl)
u8 status;
u8 regh;
+ if (tps65200_initial < 0)
+ return 0;
+
switch (ctl) {
case DISABLE:
pr_info("Switch charger OFF\n");
tps65200_i2c_write_byte(0x29, 0x01);
tps65200_i2c_write_byte(0x28, 0x00);
- tps65200_i2c_read_byte(&status, 0x09);
- pr_info("TPS65200 INT2 %x\n", status);
break;
case ENABLE_SLOW_CHG:
pr_info("Switch charger ON (SLOW)\n");
tps65200_i2c_write_byte(0x29, 0x01);
tps65200_i2c_write_byte(0x2A, 0x00);
tps65200_i2c_write_byte(0x86, 0x03);
+ tps65200_i2c_write_byte(0x63, 0x02);
break;
case ENABLE_FAST_CHG:
pr_info("Switch charger ON (FAST)\n");
@@ -206,7 +208,8 @@ int tps_set_charger_ctrl(u32 ctl)
case CHECK_CHG:
pr_info("Switch charger CHECK \n");
tps65200_i2c_read_byte(&status, 0x06);
- pr_info("TPS65200 STATUS_A%x\n", status);
+ tps65200_i2c_read_byte(®h, 0x09);
+ pr_info("TPS65200 STATUS_A%x, INT2:%x\n", status, regh);
break;
case SET_ICL500:
pr_info("Switch charger SET_ICL500 \n");
@@ -216,10 +219,38 @@ int tps_set_charger_ctrl(u32 ctl)
pr_info("Switch charger SET_ICL100 \n");
tps65200_i2c_write_byte(0x23, 0x02);
break;
+ case CHECK_INT1:
+ pr_info("Switch charger CHECK_INT1 \n");
+ tps65200_i2c_read_byte(&status, 0x08);
+ pr_info("Switch charger CHECK_INT1: regh 0x08h=%x\n", status);
+ result = (int)status;
+ break;
case CHECK_INT2:
pr_info("Switch charger CHECK_INT2 \n");
tps65200_i2c_read_byte(&status, 0x09);
pr_info("TPS65200 INT2 %x\n", status);
+ result = (int)status;
+ break;
+ case CHECK_CONTROL:
+ pr_info("Switch charger CHECK_CONTROL \n");
+ tps65200_i2c_read_byte(&status, 0x00);
+ pr_info("TPS65200 regh 0x00=%x\n", regh);
+ break;
+ case OVERTEMP_VREG_4060:
+ pr_info("Switch charger OVERTEMP_VREG_4060 \n");
+ tps65200_i2c_read_byte(®h, 0x02);
+ regh = (regh & 0xC0) | 0x1C;
+ tps65200_i2c_write_byte(regh, 0x02);
+ tps65200_i2c_read_byte(®h, 0x02);
+ pr_info("Switch charger OVERTEMP_VREG_4060: regh 0x02=%x\n", regh);
+ break;
+ case NORMALTEMP_VREG_4200:
+ pr_info("Switch charger NORMALTEMP_VREG_4200 \n");
+ tps65200_i2c_read_byte(®h, 0x02);
+ regh = (regh & 0xC0) | 0X23;
+ tps65200_i2c_write_byte(regh, 0x02);
+ tps65200_i2c_read_byte(®h, 0x02);
+ pr_info("Switch charger NORMALTEMP_VREG_4200: regh 0x02=%x\n", regh);
break;
default:
pr_info("%s: Not supported battery ctr called.!", __func__);
@@ -259,6 +290,7 @@ static int tps65200_probe(struct i2c_cli
data->address = client->addr;
data->client = client;
mutex_init(&data->xfer_lock);
+ tps65200_initial = 1;
pr_info("[TPS65200]: Driver registration done\n");
return 0;
}
projects / ziggy471-frankenstein-kernel.git / blobdiff