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sdmmc: also set card->real_freq_khz for probing frequency

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This commit is contained in:
Ivan Grokhotkov
2023-03-23 23:27:29 +01:00
parent fac832f2bb
commit bfc39e845e
1 changed files with 8 additions and 7 deletions
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7
components/sdmmc/sdmmc_common.c
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@@ -195,28 +195,29 @@ esp_err_t sdmmc_init_host_bus_width(sdmmc_card_t* card)
esp_err_t sdmmc_init_host_frequency(sdmmc_card_t* card) esp_err_t sdmmc_init_host_frequency(sdmmc_card_t* card)
{ {
esp_err_t err;
assert(card->max_freq_khz <= card->host.max_freq_khz); assert(card->max_freq_khz <= card->host.max_freq_khz);
if (card->max_freq_khz > SDMMC_FREQ_PROBING) { if (card->max_freq_khz > SDMMC_FREQ_PROBING) {
esp_err_t err = (*card->host.set_card_clk)(card->host.slot, card->max_freq_khz); err = (*card->host.set_card_clk)(card->host.slot, card->max_freq_khz);
if (err != ESP_OK) { if (err != ESP_OK) {
ESP_LOGE(TAG, "failed to switch bus frequency (0x%x)", err); ESP_LOGE(TAG, "failed to switch bus frequency (0x%x)", err);
return err; return err;
} }
}
err = (*card->host.get_real_freq)(card->host.slot, &(card->real_freq_khz)); err = (*card->host.get_real_freq)(card->host.slot, &(card->real_freq_khz));
if (err != ESP_OK) { if (err != ESP_OK) {
ESP_LOGE(TAG, "failed to get real working frequency (0x%x)", err); ESP_LOGE(TAG, "failed to get real working frequency (0x%x)", err);
return err; return err;
} }
}
if (card->is_ddr) { if (card->is_ddr) {
if (card->host.set_bus_ddr_mode == NULL) { if (card->host.set_bus_ddr_mode == NULL) {
ESP_LOGE(TAG, "host doesn't support DDR mode or voltage switching"); ESP_LOGE(TAG, "host doesn't support DDR mode or voltage switching");
return ESP_ERR_NOT_SUPPORTED; return ESP_ERR_NOT_SUPPORTED;
} }
esp_err_t err = (*card->host.set_bus_ddr_mode)(card->host.slot, true); err = (*card->host.set_bus_ddr_mode)(card->host.slot, true);
if (err != ESP_OK) { if (err != ESP_OK) {
ESP_LOGE(TAG, "failed to switch bus to DDR mode (0x%x)", err); ESP_LOGE(TAG, "failed to switch bus to DDR mode (0x%x)", err);
return err; return err;