#include <linux/util_macros.h>
#include <linux/acpi.h>
+#include <asm/unaligned.h>
+
/* I2C commands: */
#define HP206C_CMD_SOFT_RST 0x06
int ret;
u8 values[3];
- ret = i2c_smbus_read_i2c_block_data(client, cmd, 3, values);
+ ret = i2c_smbus_read_i2c_block_data(client, cmd, sizeof(values), values);
if (ret < 0)
return ret;
- if (ret != 3)
+ if (ret != sizeof(values))
return -EIO;
- return ((values[0] & 0xF) << 16) | (values[1] << 8) | (values[2]);
+ return get_unaligned_be24(&values[0]) & GENMASK(19, 0);
}
/* Spin for max 160ms until DEV_RDY is 1, or return error. */