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path: root/drivers/power/power_spi.c
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Diffstat (limited to 'drivers/power/power_spi.c')
-rw-r--r--drivers/power/power_spi.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/power/power_spi.c b/drivers/power/power_spi.c
index 1e55446..ef8531d 100644
--- a/drivers/power/power_spi.c
+++ b/drivers/power/power_spi.c
@@ -27,14 +27,14 @@ static u32 pmic_reg(struct pmic *p, u32 reg, u32 *val, u32 write)
p->hw.spi.mode);
if (!slave)
- return -1;
+ return -ENODEV;
}
if (check_reg(p, reg))
- return -1;
+ return -EINVAL;
if (spi_claim_bus(slave))
- return -1;
+ return -EBUSY;
pmic_tx = p->hw.spi.prepare_tx(reg, val, write);
@@ -59,21 +59,15 @@ static u32 pmic_reg(struct pmic *p, u32 reg, u32 *val, u32 write)
err:
spi_release_bus(slave);
- return -1;
+ return -ENOTSUPP;
}
int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
{
- if (pmic_reg(p, reg, &val, 1))
- return -1;
-
- return 0;
+ return pmic_reg(p, reg, &val, 1);
}
int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
{
- if (pmic_reg(p, reg, val, 0))
- return -1;
-
- return 0;
+ return pmic_reg(p, reg, val, 0);
}