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| author | Gerrit <chrome-bot@google.com> | 2012-03-01 16:18:35 -0800 |
|---|---|---|
| committer | Gerrit Code Review <gerrit@gerrit.golo.chromium.org> | 2012-03-01 16:18:35 -0800 |
| commit | 72d8d99c95fadb6b792a8bd21011132face51d2b (patch) | |
| tree | 1586efff9a7277833c32c5815a353bbd18dd35e4 /common | |
| parent | 5cd0f292e9c769264c5fa1f0fe262c910a9194ec (diff) | |
| parent | feb5a62d7996a1ea86d79a7bfaa44ecd10c0e18e (diff) | |
| download | chrome-ec-72d8d99c95fadb6b792a8bd21011132face51d2b.tar.gz | |
Merge "Make TMP006 polling check for power first."
Diffstat (limited to 'common')
| -rw-r--r-- | common/tmp006.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/common/tmp006.c b/common/tmp006.c index 54e37f8e2b..46cd8dbe30 100644 --- a/common/tmp006.c +++ b/common/tmp006.c @@ -5,16 +5,18 @@ /* TMP006 temperature sensor module for Chrome EC */ -#include "tmp006.h" -#include "temp_sensor.h" #include "board.h" -#include "uart.h" -#include "util.h" +#include "config.h" #include "console.h" -#include "task.h" #include "fpu.h" -#include "math.h" +#include "gpio.h" #include "i2c.h" +#include "math.h" +#include "task.h" +#include "temp_sensor.h" +#include "tmp006.h" +#include "uart.h" +#include "util.h" /* Defined in board_temp_sensor.c. */ extern const struct tmp006_t tmp006_sensors[TMP006_COUNT]; @@ -170,6 +172,14 @@ static int tmp006_poll_sensor(int sensor_id) int addr = tmp006_sensors[sensor_id].addr; int idx; + /* TODO: For now, all TMP006 sensors are powered by VS. Modify this + * if we have different design. + */ + if (gpio_get_level(GPIO_PGOOD_1_8VS) == 0) { + tmp006_data[sensor_id].fail = 1; + return EC_ERROR_UNKNOWN; + } + rv = i2c_read16(TMP006_PORT(addr), TMP006_REG(addr), 0x01, &traw); if (rv) { tmp006_data[sensor_id].fail = 1; @@ -201,7 +211,17 @@ static int tmp006_print(int idx) int d; int addr = tmp006_sensors[idx].addr; + uart_printf("Debug data from %s:\n", tmp006_sensors[idx].name); + + /* TODO: For now, all TMP006 sensors are powered by VS. Modify this + * if we have different design. + */ + if (gpio_get_level(GPIO_PGOOD_1_8VS) == 0) { + uart_puts("Sensor powered off.\n"); + return EC_ERROR_UNKNOWN; + } + rv = i2c_read16(TMP006_PORT(addr), TMP006_REG(addr), 0xfe, &d); if (rv) return rv; |