fix SDL for new ALSA

git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@2183 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc

package/blindcoder/libsdl/alsa-fix.patch

@@ -0,0 +1,19 @@
+
+Fix broken snd_pcm_hw_params_get_channels useage ...
+
+  - Rene Rebe <rene@rocklinux.org>
+
+--- SDL-1.2.6/src/audio/alsa/SDL_alsa_audio.c.orig	2004-01-11 20:16:20.000000000 +0100
++++ SDL-1.2.6/src/audio/alsa/SDL_alsa_audio.c	2004-01-11 20:17:30.000000000 +0100
+@@ -269,8 +269,9 @@
+ 	/* Set the number of channels */
+ 	status = snd_pcm_hw_params_set_channels(pcm_handle, params, spec->channels);
+ 	if ( status < 0 ) {
+-		status = snd_pcm_hw_params_get_channels(params);
+-		if ( (status <= 0) || (status > 2) ) {
++		int ch;
++		status = snd_pcm_hw_params_get_channels(params, &ch);
++		if ( (status < 0) || (ch != spec->channels) ) {
+ 			SDL_SetError("Couldn't set audio channels");
+ 			ALSA_CloseAudio(this);
+ 			return(-1);