Commit 99c94bb

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Set SD state to idle before unregister (reduces power) (espressif#4272)

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Original file line number	Diff line number	Diff line change
`@@ -648,6 +648,7 @@ uint8_t sdcard_uninit(uint8_t pdrv)`
`648`	`648`	`if (pdrv >= FF_VOLUMES \|\| card == NULL) {`
`649`	`649`	`return 1;`
`650`	`650`	`}`
	`651`	`+ sdTransaction(pdrv, GO_IDLE_STATE, 0, NULL);`
`651`	`652`	`ff_diskio_register(pdrv, NULL);`
`652`	`653`	`s_cards[pdrv] = NULL;`
`653`	`654`	`esp_err_t err = ESP_OK;`

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