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hw/i2c/pmbus: Add idle state to return 0xff's

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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>
This commit is contained in:
Peter Delevoryas 2022-07-14 16:24:38 +02:00 • committed by Cédric Le Goater
parent 54ee564132
commit d272d1410c
2 changed files with 16 additions and 0 deletions
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9
hw/i2c/pmbus_device.c
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@ -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 */