diff options
Diffstat (limited to 'drivers/sensor/ak8963.c')
| -rw-r--r-- | drivers/sensor/ak8963.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/sensor/ak8963.c b/drivers/sensor/ak8963.c index 674deee..8b4e2a5 100644 --- a/drivers/sensor/ak8963.c +++ b/drivers/sensor/ak8963.c @@ -27,7 +27,8 @@ #include "ak8963-reg.h" #include <linux/sensor/sensors_core.h> -#if defined(CONFIG_SLP) || defined(CONFIG_MACH_GC1) +#if defined(CONFIG_SLP) || defined(CONFIG_MACH_GC1)\ + || defined(CONFIG_MACH_M3_USA_TMO) #define FACTORY_TEST #else #undef FACTORY_TEST @@ -369,7 +370,9 @@ static int ak8963c_selftest(struct akm8963_data *ak_data, int *sf) { u8 buf[6]; s16 x, y, z; + int retry_count = 0; +retry: /* read device info */ i2c_smbus_read_i2c_block_data(ak_data->this_client, AK8963_REG_WIA, 2, buf); @@ -437,10 +440,21 @@ static int ak8963c_selftest(struct akm8963_data *ak_data, int *sf) if (((x >= -200) && (x <= 200)) && ((y >= -200) && (y <= 200)) && - ((z >= -3200) && (z <= -800))) + ((z >= -3200) && (z <= -800))) { + pr_info("%s, Selftest is successful.\n", __func__); return 1; - else - return 0; + } else { + if (retry_count < 5) { + retry_count++; + pr_warn("############################################"); + pr_warn("%s, retry_count=%d\n", __func__, retry_count); + pr_warn("############################################"); + goto retry; + } else { + pr_err("%s, Selftest is failed.\n", __func__); + return 0; + } + } } static ssize_t ak8963c_get_asa(struct device *dev, |