diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/pmic_i2c.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/misc/pmic_i2c.c b/drivers/misc/pmic_i2c.c index e74c372..1064bfe 100644 --- a/drivers/misc/pmic_i2c.c +++ b/drivers/misc/pmic_i2c.c @@ -30,6 +30,7 @@ #include <linux/types.h> #include <pmic.h> #include <i2c.h> +#include <compiler.h> int pmic_reg_write(struct pmic *p, u32 reg, u32 val) { @@ -40,16 +41,27 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val) switch (pmic_i2c_tx_num) { case 3: - buf[0] = (val >> 16) & 0xff; - buf[1] = (val >> 8) & 0xff; - buf[2] = val & 0xff; + if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) { + buf[2] = (cpu_to_le32(val) >> 16) & 0xff; + buf[1] = (cpu_to_le32(val) >> 8) & 0xff; + buf[0] = cpu_to_le32(val) & 0xff; + } else { + buf[0] = (cpu_to_le32(val) >> 16) & 0xff; + buf[1] = (cpu_to_le32(val) >> 8) & 0xff; + buf[2] = cpu_to_le32(val) & 0xff; + } break; case 2: - buf[0] = (val >> 8) & 0xff; - buf[1] = val & 0xff; + if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) { + buf[1] = (cpu_to_le32(val) >> 8) & 0xff; + buf[0] = cpu_to_le32(val) & 0xff; + } else { + buf[0] = (cpu_to_le32(val) >> 8) & 0xff; + buf[1] = cpu_to_le32(val) & 0xff; + } break; case 1: - buf[0] = val & 0xff; + buf[0] = cpu_to_le32(val) & 0xff; break; default: printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num); @@ -75,13 +87,21 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) switch (pmic_i2c_tx_num) { case 3: - ret_val = buf[0] << 16 | buf[1] << 8 | buf[2]; + if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) + ret_val = le32_to_cpu(buf[2] << 16 + | buf[1] << 8 | buf[0]); + else + ret_val = le32_to_cpu(buf[0] << 16 | + buf[1] << 8 | buf[2]); break; case 2: - ret_val = buf[0] << 8 | buf[1]; + if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) + ret_val = le32_to_cpu(buf[1] << 8 | buf[0]); + else + ret_val = le32_to_cpu(buf[0] << 8 | buf[1]); break; case 1: - ret_val = buf[0]; + ret_val = le32_to_cpu(buf[0]); break; default: printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num); |