mmcsd:add reset card to idle state (CMD0) support

gneworld · xiaoxiang781216 · commit 9ee4566b4d72 · 2024-10-15T03:15:24.000+08:00
Signed-off-by: wanggang26 &lt;wanggang26@xiaomi.com&gt;
diff --git a/drivers/mmcsd/mmcsd_sdio.c b/drivers/mmcsd/mmcsd_sdio.c
@@ -3365,6 +3365,12 @@ static int mmcsd_iocmd(FAR struct mmcsd_state_s *priv,
   opcode = ic_ptr->opcode & MMCSD_CMDIDX_MASK;
   switch (opcode)
     {
+    case MMCSD_CMDIDX0: /* Reset card to idle state */
+      {
+        mmcsd_sendcmdpoll(priv, MMCSD_CMD0, ic_ptr->arg);
+        MMCSD_USLEEP(MMCSD_IDLE_DELAY);
+      }
+      break;
     case MMCSD_CMDIDX2: /* Get cid reg data */
       {
         memcpy((FAR void *)(uintptr_t)ic_ptr->data_ptr,

Original file line number	Diff line number	Diff line change
`@@ -3365,6 +3365,12 @@ static int mmcsd_iocmd(FAR struct mmcsd_state_s *priv,`
`3365`	`3365`	`opcode = ic_ptr->opcode & MMCSD_CMDIDX_MASK;`
`3366`	`3366`	`switch (opcode)`
`3367`	`3367`	`{`
	`3368`	`+ case MMCSD_CMDIDX0: /* Reset card to idle state */`
	`3369`	`+ {`
	`3370`	`+ mmcsd_sendcmdpoll(priv, MMCSD_CMD0, ic_ptr->arg);`
	`3371`	`+ MMCSD_USLEEP(MMCSD_IDLE_DELAY);`
	`3372`	`+ }`
	`3373`	`+ break;`
`3368`	`3374`	`case MMCSD_CMDIDX2: /* Get cid reg data */`
`3369`	`3375`	`{`
`3370`	`3376`	`memcpy((FAR void *)(uintptr_t)ic_ptr->data_ptr,`