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-rw-r--r--drivers/power/twl4030.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c
index 4a4ddeb..36b2144 100644
--- a/drivers/power/twl4030.c
+++ b/drivers/power/twl4030.c
@@ -65,13 +65,23 @@ void twl4030_power_reset_init(void)
void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val,
u8 dev_grp, u8 dev_grp_sel)
{
- /* Select the Device Group */
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp_sel,
- dev_grp);
+ int ret;
/* Select the Voltage */
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_val,
+ ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_val,
vsel_reg);
+ if (ret != 0) {
+ printf("Could could not write vsel to reg %02x (%d)\n",
+ vsel_reg, ret);
+ return;
+ }
+
+ /* Select the Device Group (enable the supply if dev_grp_sel != 0) */
+ ret = twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp_sel,
+ dev_grp);
+ if (ret != 0)
+ printf("Could could not write grp_sel to reg %02x (%d)\n",
+ dev_grp, ret);
}
void twl4030_power_init(void)