linux-kernel - [PATCH] alsa: hide HDMI/ELD printks unless in debug kernels

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Message-ID: <20120409021517.GA14618@localhost>
Date:	Mon, 9 Apr 2012 10:15:17 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	alsa-devel@...a-project.org,
	Nick Bowler <nbowler@...iptictech.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Keith Packard <keithp@...thp.com>
Subject: [PATCH] alsa: hide HDMI/ELD printks unless in debug kernels

These trivial messages will show up repeatedly on hot plug as well as
video mode changes, which could be annoying.

Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>
---
 sound/pci/hda/hda_eld.c    |    6 +++---
 sound/pci/hda/patch_hdmi.c |    4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

--- linux.orig/sound/pci/hda/hda_eld.c	2011-11-11 19:08:21.000000000 +0800
+++ linux/sound/pci/hda/hda_eld.c	2011-11-11 19:09:35.000000000 +0800
@@ -410,7 +410,7 @@ static void hdmi_show_short_audio_desc(s
 	else
 		buf2[0] = '\0';
 
-	printk(KERN_INFO "HDMI: supports coding type %s:"
+	snd_printdd("HDMI: supports coding type %s:"
 			" channels = %d, rates =%s%s\n",
 			cea_audio_coding_type_names[a->format],
 			a->channels,
@@ -434,14 +434,14 @@ void snd_hdmi_show_eld(struct hdmi_eld *
 {
 	int i;
 
-	printk(KERN_INFO "HDMI: detected monitor %s at connection type %s\n",
+	snd_printdd("HDMI: detected monitor %s at connection type %s\n",
 			e->monitor_name,
 			eld_connection_type_names[e->conn_type]);
 
 	if (e->spk_alloc) {
 		char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 		snd_print_channel_allocation(e->spk_alloc, buf, sizeof(buf));
-		printk(KERN_INFO "HDMI: available speakers:%s\n", buf);
+		snd_printdd("HDMI: available speakers:%s\n", buf);
 	}
 
 	for (i = 0; i < e->sad_count; i++)
--- linux.orig/sound/pci/hda/patch_hdmi.c	2011-11-11 19:07:15.000000000 +0800
+++ linux/sound/pci/hda/patch_hdmi.c	2011-11-11 19:08:16.000000000 +0800
@@ -757,7 +757,7 @@ static void hdmi_intrinsic_event(struct 
 	int pin_idx;
 	struct hdmi_eld *eld;
 
-	printk(KERN_INFO
+	snd_printdd(
 		"HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 		codec->addr, pin_nid, pd, eldv);
 
@@ -989,7 +989,7 @@ static void hdmi_present_sense(struct hd
 	else
 		eld->eld_valid	= 0;
 
-	printk(KERN_INFO
+	snd_printdd(
 		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 		codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
 
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