feedc0de/esp-idf
1
0
Fork 0
forked from espressif/esp-idf
Code Pull Requests Activity

i2c: Acquire PM lock after acquiring mutex

Browse Source
This commit is contained in:
Sachin Parekh
2020-12-22 00:47:30 +05:30
parent 37317d1f2f
commit e78721db05
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
components/driver/i2c.c
View File

@@ -1290,12 +1290,12 @@ esp_err_t i2c_master_cmd_begin(i2c_port_t i2c_num, i2c_cmd_handle_t cmd_handle,
i2c_obj_t* p_i2c = p_i2c_obj[i2c_num];
portTickType ticks_start = xTaskGetTickCount();
portBASE_TYPE res = xSemaphoreTake(p_i2c->cmd_mux, ticks_to_wait);
#ifdef CONFIG_PM_ENABLE
esp_pm_lock_acquire(p_i2c->pm_lock);
#endif
if (res == pdFALSE) {
return ESP_ERR_TIMEOUT;
}
#ifdef CONFIG_PM_ENABLE
esp_pm_lock_acquire(p_i2c->pm_lock);
#endif
xQueueReset(p_i2c->cmd_evt_queue);
if (p_i2c->status == I2C_STATUS_TIMEOUT
|| I2C[i2c_num]->status_reg.bus_busy == 1) {