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authorPeter Delevoryas <pdel@fb.com>2022-07-14 16:24:38 +0200
committerCédric Le Goater <clg@kaod.org>2022-07-14 16:24:38 +0200
commitd272d1410c91f399af15ef9ae4b561bc621de115 (patch)
treeea7b0428cf5854428ab2cde849dbe3bb97d409f3 /hw/i2c
parent54ee564132bdbd1346a241dde5d51f0a1d1a1c7b (diff)
hw/i2c/pmbus: Add idle state to return 0xff's
Signed-off-by: Peter Delevoryas <pdel@fb.com> Reviewed-by: Titus Rwantare <titusr@google.com> Message-Id: <20220701000626.77395-2-me@pjd.dev> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/i2c')
-rw-r--r--hw/i2c/pmbus_device.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index 749a33af82..4071a88cfc 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -261,6 +261,11 @@ void pmbus_check_limits(PMBusDevice *pmdev)
}
}
+void pmbus_idle(PMBusDevice *pmdev)
+{
+ pmdev->code = PMBUS_IDLE_STATE;
+}
+
/* assert the status_cml error upon receipt of malformed command */
static void pmbus_cml_error(PMBusDevice *pmdev)
{
@@ -980,6 +985,10 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
}
break;
+ case PMBUS_IDLE_STATE:
+ pmbus_send8(pmdev, PMBUS_ERR_BYTE);
+ break;
+
case PMBUS_CLEAR_FAULTS: /* Send Byte */
case PMBUS_PAGE_PLUS_WRITE: /* Block Write-only */
case PMBUS_STORE_DEFAULT_ALL: /* Send Byte */