Return error in case of invalid pmic_i2c_tx_num.
Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
---
drivers/misc/pmic_i2c.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/misc/pmic_i2c.c b/drivers/misc/pmic_i2c.c
index ad55d64..ebb124d 100644
--- a/drivers/misc/pmic_i2c.c
+++ b/drivers/misc/pmic_i2c.c
@@ -47,6 +47,9 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
case 1:
buf[0] = val & 0xff;
break;
+ default:
+ printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
+ return -1;
}
if (i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num))
@@ -73,6 +76,9 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
case 1:
ret_val = buf[0];
break;
+ default:
+ printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
+ return -1;
}
memcpy(val, &ret_val, sizeof(ret_val));
--
1.7.1
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