linux: added NHK15 support for 2.6.20 version

staged headers are needed for x11 acceleration

1 files changed, 78 insertions, 0 deletions

diff --git a/recipes/linux/linux-2.6.20/nhk15/audio_codec_patch_base_v5.6.0.patch b/recipes/linux/linux-2.6.20/nhk15/audio_codec_patch_base_v5.6.0.patch
new file mode 100644
index 0000000000..1a7bd9e836
--- /dev/null
+++ b/recipes/linux/linux-2.6.20/nhk15/audio_codec_patch_base_v5.6.0.patch
@@ -0,0 +1,78 @@
+diff -Nauprw linux-2.6.20/drivers/media/nomadik_mm/saa/nomadik-saa.c ../new/linux-2.6.20/drivers/media/nomadik_mm/saa/nomadik-saa.c
+--- linux-2.6.20/drivers/media/nomadik_mm/saa/nomadik-saa.c	2008-11-24 14:06:25.000000000 +0530
++++ ../new/linux-2.6.20/drivers/media/nomadik_mm/saa/nomadik-saa.c	2008-11-26 18:37:16.000000000 +0530
+@@ -1292,12 +1292,14 @@ static int link_msp (struct instance_des
+ 	else
+ 	{
+ 		/*Configure Output sink for audiocodec*/
++		//Audiocodec driver will do this.
++		#if 0
+ 		acodec_error = nomadik_acodec_select_output(DEFAULT_OUTPUT_DEVICE, USER_SAA);
+ 		if (acodec_error != CODEC_OK) {
+ 			printk ("SAA_DRV ERROR : configuring audiocodec:%i\n", acodec_error);
+ 			return acodec_error;
+ 		}
+-
++		#endif
+ 		down(&saa_desc->open_lock);
+ 		if(saa_desc->msp_out_flag != 0){
+ 			printk ("SAA_DRV ERROR : MSP OUT already used \n");
+diff -Nauprw linux-2.6.20/sound/arm/nomadik_alsa.c ../new/linux-2.6.20/sound/arm/nomadik_alsa.c
+--- linux-2.6.20/sound/arm/nomadik_alsa.c	2008-11-24 14:06:29.000000000 +0530
++++ ../new/linux-2.6.20/sound/arm/nomadik_alsa.c	2008-11-26 18:36:26.000000000 +0530
+@@ -568,10 +568,14 @@ static int snd_nomadik_alsa_pcm_open(snd
+ 	if (stream_id == SNDRV_PCM_STREAM_PLAYBACK) {
+ 		runtime->hw = snd_nomadik_playback_hw;
+ 		/* configure the output sink for the acodec */
++		#if 0
++		if(codec_conf.codec_output != chip->output_device){			
+ 		if ((error = nomadik_acodec_select_output(chip->output_device, USER_ALSA))) {
+ 			printk("ALSA: ERROR: select output failed\n");
+ 			return error;
+ 		}
++		}
++		#endif
+ 	} else {
+ 		runtime->hw = snd_nomadik_capture_hw;
+ 		/* configure the input source for the acodec */
+diff -Nauprw linux-2.6.20/sound/nomadik_stw5095.c ../new/linux-2.6.20/sound/nomadik_stw5095.c
+--- linux-2.6.20/sound/nomadik_stw5095.c	2008-11-24 14:06:29.000000000 +0530
++++ ../new/linux-2.6.20/sound/nomadik_stw5095.c	2008-11-26 18:36:04.000000000 +0530
+@@ -3237,6 +3237,7 @@ t_codec_error nomadik_acodec_setuser(t_a
+ 
+ t_codec_error nomadik_acodec_unsetuser(t_acodec_user user)
+ {
++	int err=0;
+ 	t_codec_error codec_error = CODEC_OK;
+ 
+ 	if(g_codec_system_context.cur_user != user){
+@@ -3246,6 +3247,18 @@ t_codec_error nomadik_acodec_unsetuser(t
+ 	}
+ 	else {
+ 		g_codec_system_context.cur_user = NO_USER;
++		
++		err = STMPE2401_Install_Callback(STMPE0, EGPIO_PIN_7 ,NULL,(void*)user);
++		if (err != STMPE2401_OK)
++		{
++			printk("Couldn't setup codec callback\n");
++		}
++
++		err = STMPE2401_Install_Callback(STMPE0, EGPIO_PIN_6 ,NULL,(void*)user);
++		if (err != STMPE2401_OK)
++		{
++			printk("Couldn't setup codec callback\n");
++		}
+                 nomadik_acodec_powerdown(0);
+         }
+ 
+@@ -3282,6 +3295,10 @@ static void codec_callback1(void *user)
+ 	uint8 byte_value;
+ 	t_acodec_user t;
+ 	t = (t_acodec_user) user;
++	//spurious interuupt protection
++	if((t != USER_ALSA) && (t != USER_SAA) )
++		return;
++
+ 	err = STMPE2401_GetGpioVal(STMPE0,EGPIO_PIN_7,&byte_value);
+ 	switch(byte_value)	{
+