Changeset a64970e1 in mainline for uspace/drv/audio/hdaudio/hdactl.c

Timestamp:

2025-03-05T19:25:06Z (21 hours ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

07039850

Parents:

89b5a75

Message:

Implement quiesce in HD Audio and SB16 drivers.

File:

• uspace/drv/audio/hdaudio/hdactl.c (modified) (2 diffs)

uspace/drv/audio/hdaudio/hdactl.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2022 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -628 +628 @@
 }
 
+void hda_ctl_quiesce(hda_ctl_t *ctl)
+{
+        uint32_t gctl;
+
+        ddf_msg(LVL_DEBUG, "hda_ctl_quiesce(): Resetting controller.");
+        gctl = hda_reg32_read(&ctl->hda->regs->gctl);
+        hda_reg32_write(&ctl->hda->regs->gctl,
+            gctl & ~BIT_V(uint32_t, gctl_crst));
+}
+
 errno_t hda_cmd(hda_t *hda, uint32_t verb, uint32_t *resp)
 {