Merge branch 'fix/fix_sleep_reject_on_esp32' into 'master'

fix(esp_hw_support): fix short duration sleep requests rejected in pd_flash lightsleep

Closes PM-382

See merge request espressif/esp-idf!37878

Author: esp-wzh

components/esp_hw_support/sleep_modes.c

@@ -211,9 +211,6 @@
 #endif
 #endif
 
-// Minimal amount of time we can sleep for
-#define LIGHT_SLEEP_MIN_TIME_US     200
-
 #define RTC_MODULE_SLEEP_PREPARE_CYCLES (6)
 
 #define CHECK_SOURCE(source, value, mask) ((s_config.wakeup_triggers & mask) && \
@@ -1447,8 +1444,8 @@ esp_err_t esp_light_sleep_start(void)
         * 4. All the adjustment time which is s_config.sleep_time_adjustment below.
         */
         const uint32_t vddsdio_pd_sleep_duration = MAX(FLASH_PD_MIN_SLEEP_TIME_US,
-                        flash_enable_time_us + LIGHT_SLEEP_MIN_TIME_US + s_config.sleep_time_adjustment
-                        + rtc_time_slowclk_to_us(RTC_MODULE_SLEEP_PREPARE_CYCLES, s_config.rtc_clk_cal_period));
+                        flash_enable_time_us + s_config.sleep_time_adjustment
+                        + rtc_time_slowclk_to_us(RTC_MODULE_SLEEP_PREPARE_CYCLES + RTC_CNTL_MIN_SLP_VAL_MIN, s_config.rtc_clk_cal_period));
 
         if (can_power_down_vddsdio(sleep_flags, vddsdio_pd_sleep_duration)) {
             if (s_config.sleep_time_overhead_out < flash_enable_time_us) {