diff --git a/components/esp_system/port/soc/esp32/clk.c b/components/esp_system/port/soc/esp32/clk.c index 91bb4199f6..a685a8bb13 100644 --- a/components/esp_system/port/soc/esp32/clk.c +++ b/components/esp_system/port/soc/esp32/clk.c @@ -61,7 +61,9 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) */ int retry_32k_xtal = RTC_XTAL_CAL_RETRY; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -85,13 +87,15 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) } ESP_EARLY_LOGW(TAG, "32 kHz XTAL not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC_FAST_D256) { rtc_clk_8m_enable(true, true); } rtc_clk_slow_src_set(rtc_slow_clk_src); - if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) { + if (revoke_32k_enable || \ + ((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32c2/clk.c b/components/esp_system/port/soc/esp32c2/clk.c index d9efd4d598..5cf617b2d7 100644 --- a/components/esp_system/port/soc/esp32c2/clk.c +++ b/components/esp_system/port/soc/esp32c2/clk.c @@ -154,7 +154,9 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) */ int retry_ext_clk = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* external clock needs to be connected to PIN0 before it can * be used. Here we use rtc_clk_cal function to count @@ -174,13 +176,15 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) } ESP_EARLY_LOGW(TAG, "external clock connected to pin0 not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC_FAST_D256) { rtc_clk_8m_enable(true, true); } rtc_clk_slow_src_set(rtc_slow_clk_src); - if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { + if (revoke_32k_enable || \ + ((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW))) { rtc_clk_32k_disable_external(); } if (SLOW_CLK_CAL_CYCLES > 0) { diff --git a/components/esp_system/port/soc/esp32c3/clk.c b/components/esp_system/port/soc/esp32c3/clk.c index a3f206016f..55c6f2e6b3 100644 --- a/components/esp_system/port/soc/esp32c3/clk.c +++ b/components/esp_system/port/soc/esp32c3/clk.c @@ -146,7 +146,9 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -170,13 +172,15 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) } ESP_EARLY_LOGW(TAG, "32 kHz XTAL not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC_FAST_D256) { rtc_clk_8m_enable(true, true); } rtc_clk_slow_src_set(rtc_slow_clk_src); - if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) { + if (revoke_32k_enable || \ + ((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32c5/clk.c b/components/esp_system/port/soc/esp32c5/clk.c index 8d493871c6..432b22dcd4 100644 --- a/components/esp_system/port/soc/esp32c5/clk.c +++ b/components/esp_system/port/soc/esp32c5/clk.c @@ -167,7 +167,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K || rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -194,13 +196,16 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } rtc_clk_slow_src_set(rtc_slow_clk_src); // Disable unused clock sources after clock source switching is complete. // Regardless of the clock source selection, the internal 136K clock source will always keep on. - if ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) { + if (revoke_32k_enable || \ + (((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) || (old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) && \ + ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32c6/clk.c b/components/esp_system/port/soc/esp32c6/clk.c index 95f2a92bbb..a656425f1c 100644 --- a/components/esp_system/port/soc/esp32c6/clk.c +++ b/components/esp_system/port/soc/esp32c6/clk.c @@ -148,7 +148,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K || rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -175,6 +177,7 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC32K) { @@ -183,7 +186,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) rtc_clk_slow_src_set(rtc_slow_clk_src); // Disable unused clock sources after clock source switching is complete. // Regardless of the clock source selection, the internal 136K clock source will always keep on. - if ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) { + if (revoke_32k_enable || \ + (((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) || (old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) && \ + ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32c61/clk.c b/components/esp_system/port/soc/esp32c61/clk.c index fea0281655..cb891009fd 100644 --- a/components/esp_system/port/soc/esp32c61/clk.c +++ b/components/esp_system/port/soc/esp32c61/clk.c @@ -117,7 +117,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K || rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -144,13 +146,16 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } rtc_clk_slow_src_set(rtc_slow_clk_src); // Disable unused clock sources after clock source switching is complete. // Regardless of the clock source selection, the internal 136K clock source will always keep on. - if ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) { + if (revoke_32k_enable || \ + (((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) || (old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) && \ + ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32h2/clk.c b/components/esp_system/port/soc/esp32h2/clk.c index a3d5caa394..315e8cb977 100644 --- a/components/esp_system/port/soc/esp32h2/clk.c +++ b/components/esp_system/port/soc/esp32h2/clk.c @@ -150,7 +150,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K || rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -177,6 +179,7 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC32K) { @@ -185,7 +188,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) rtc_clk_slow_src_set(rtc_slow_clk_src); // Disable unused clock sources after clock source switching is complete. // Regardless of the clock source selection, the internal 136K clock source will always keep on. - if ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) { + if (revoke_32k_enable || \ + (((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) || (old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) && \ + ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32h21/clk.c b/components/esp_system/port/soc/esp32h21/clk.c index f2573103b9..200e04e0af 100644 --- a/components/esp_system/port/soc/esp32h21/clk.c +++ b/components/esp_system/port/soc/esp32h21/clk.c @@ -129,7 +129,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K || rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -156,6 +158,7 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC32K) { @@ -164,7 +167,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) rtc_clk_slow_src_set(rtc_slow_clk_src); // Disable unused clock sources after clock source switching is complete. // Regardless of the clock source selection, the internal 136K clock source will always keep on. - if ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) { + if (revoke_32k_enable || \ + (((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) || (old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) && \ + ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32h4/clk.c b/components/esp_system/port/soc/esp32h4/clk.c index a82553ec68..a58fdc49ff 100644 --- a/components/esp_system/port/soc/esp32h4/clk.c +++ b/components/esp_system/port/soc/esp32h4/clk.c @@ -112,7 +112,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K || rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -139,13 +141,16 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC32K) { rtc_clk_rc32k_enable(true); } rtc_clk_slow_src_set(rtc_slow_clk_src); - if ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) { + if (revoke_32k_enable || \ + (((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) || (old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)) && \ + ((rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_OSC_SLOW)))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32p4/clk.c b/components/esp_system/port/soc/esp32p4/clk.c index 6e0a7d937d..8c7e599266 100644 --- a/components/esp_system/port/soc/esp32p4/clk.c +++ b/components/esp_system/port/soc/esp32p4/clk.c @@ -162,7 +162,9 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) */ int retry_32k_xtal = 3; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -186,6 +188,7 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) } ESP_EARLY_LOGW(TAG, "32 kHz clock not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC32K) { @@ -195,7 +198,8 @@ static void select_rtc_slow_clk(soc_rtc_slow_clk_src_t rtc_slow_clk_src) // Disable unused clock sources after clock source switching is complete. // Regardless of the clock source selection, the internal 136K clock source will always keep on. - if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) { + if (revoke_32k_enable || \ + ((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) && rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K)) { rtc_clk_32k_enable(false); } if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_RC32K) { diff --git a/components/esp_system/port/soc/esp32s2/clk.c b/components/esp_system/port/soc/esp32s2/clk.c index 0335b56a22..4b594cdea6 100644 --- a/components/esp_system/port/soc/esp32s2/clk.c +++ b/components/esp_system/port/soc/esp32s2/clk.c @@ -149,7 +149,9 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) */ int retry_32k_xtal = RTC_XTAL_CAL_RETRY; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -173,13 +175,15 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) } ESP_EARLY_LOGW(TAG, "32 kHz XTAL not found, switching to internal 90 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC_FAST_D256) { rtc_clk_8m_enable(true, true); } rtc_clk_slow_src_set(rtc_slow_clk_src); - if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) { + if (revoke_32k_enable || \ + ((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); } diff --git a/components/esp_system/port/soc/esp32s3/clk.c b/components/esp_system/port/soc/esp32s3/clk.c index 9a58cfbdb2..5b503ce635 100644 --- a/components/esp_system/port/soc/esp32s3/clk.c +++ b/components/esp_system/port/soc/esp32s3/clk.c @@ -148,7 +148,9 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) */ int retry_32k_xtal = RTC_XTAL_CAL_RETRY; + soc_rtc_slow_clk_src_t old_rtc_slow_clk_src = rtc_clk_slow_src_get(); do { + bool revoke_32k_enable = false; if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) { /* 32k XTAL oscillator needs to be enabled and running before it can * be used. Hardware doesn't have a direct way of checking if the @@ -172,13 +174,15 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk) } ESP_EARLY_LOGW(TAG, "32 kHz XTAL not found, switching to internal 150 kHz oscillator"); rtc_slow_clk_src = SOC_RTC_SLOW_CLK_SRC_RC_SLOW; + revoke_32k_enable = true; } } } else if (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC_FAST_D256) { rtc_clk_8m_enable(true, true); } rtc_clk_slow_src_set(rtc_slow_clk_src); - if (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K) { + if (revoke_32k_enable || \ + ((old_rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K) && (rtc_slow_clk_src != SOC_RTC_SLOW_CLK_SRC_XTAL32K))) { rtc_clk_32k_enable(false); rtc_clk_32k_disable_external(); }