From 37c5293a2e665befa27db8f8ccee56d0042ca840 Mon Sep 17 00:00:00 2001 From: Matt Sealey Date: Thu, 19 Apr 2012 13:52:43 -0500 Subject: [PATCH] siihdmi: comment about setting up interrupt service --- drivers/video/mxc/siihdmi.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/video/mxc/siihdmi.c b/drivers/video/mxc/siihdmi.c index 57390d7310c..abbdf09b12a 100644 --- a/drivers/video/mxc/siihdmi.c +++ b/drivers/video/mxc/siihdmi.c @@ -222,7 +222,14 @@ static int siihdmi_initialise(struct siihdmi_tx *tx) /* step 8: configure embedded sync extraction */ - /* step 9: setup interrupt service */ + /* step 9: setup interrupt service + * + * (SII9022 programmer's reference p42: + * Tplug_dly min. 400 typ. 480 max. 600ms) + * do we need to wait here, or do we know this has already + * happened in hardware? + */ + if (tx->hotplug.enabled) { ret = i2c_smbus_write_byte_data(tx->client, SIIHDMI_TPI_REG_IER,