From 7c3206d14cea8962f79628f11cd3f582f2b9644d Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Date: Thu, 18 Oct 2007 16:25:58 -0200
Subject: Fix compilation for distro kernels with newer -ALSA trees

From: Mauro Carvalho Chehab <mchehab@infradead.org>



Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
 v4l/scripts/make_config_compat.pl | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 mode change 100644 => 100755 v4l/scripts/make_config_compat.pl

(limited to 'v4l/scripts')

diff --git a/v4l/scripts/make_config_compat.pl b/v4l/scripts/make_config_compat.pl
old mode 100644
new mode 100755
index 21dce0126..785f9ff72
--- a/v4l/scripts/make_config_compat.pl
+++ b/v4l/scripts/make_config_compat.pl
@@ -26,6 +26,25 @@ sub check_spin_lock()
 	close INNET;
 }
 
+sub check_snd_pcm_rate_to_rate_bit()
+{
+	my $file = "$kdir/include/sound/pcm.h";
+	my $old_syntax = 1;
+
+	open INNET, "<$file" or die "File not found: $file";
+	while (<INNET>) {
+		if (m/snd_pcm_rate_to_rate_bit/) {
+			$old_syntax = 0;
+			last;
+		}
+	}
+
+	if ($old_syntax) {
+		$out.= "\n#define COMPAT_PCM_TO_RATE_BIT 1\n";
+	}
+	close INNET;
+}
+
 sub check_snd_ctl_boolean_mono_info()
 {
 	my $file = "$kdir/include/sound/control.h";
@@ -49,6 +68,7 @@ sub check_other_dependencies()
 {
 	check_spin_lock();
 	check_snd_ctl_boolean_mono_info();
+	check_snd_pcm_rate_to_rate_bit();
 }
 
 # Do the basic rules
-- 
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