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Diffstat (limited to 'recipes/linux/linux-gumstix-2.6.15/ucb1400-ac97-audio.patch')
-rw-r--r--recipes/linux/linux-gumstix-2.6.15/ucb1400-ac97-audio.patch84
1 files changed, 84 insertions, 0 deletions
diff --git a/recipes/linux/linux-gumstix-2.6.15/ucb1400-ac97-audio.patch b/recipes/linux/linux-gumstix-2.6.15/ucb1400-ac97-audio.patch
new file mode 100644
index 0000000000..32a0af5a05
--- /dev/null
+++ b/recipes/linux/linux-gumstix-2.6.15/ucb1400-ac97-audio.patch
@@ -0,0 +1,84 @@
+Index: linux-2.6.15gum/sound/pci/ac97/ac97_codec.c
+===================================================================
+--- linux-2.6.15gum.orig/sound/pci/ac97/ac97_codec.c
++++ linux-2.6.15gum/sound/pci/ac97/ac97_codec.c
+@@ -150,7 +150,7 @@ static const ac97_codec_id_t snd_ac97_co
+ { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
+ { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
+ { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
+-{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
++{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL, AC97_HAS_NO_STD_PCM },
+ { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
+ { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
+ { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
+Index: linux-2.6.15gum/sound/pci/ac97/ac97_patch.c
+===================================================================
+--- linux-2.6.15gum.orig/sound/pci/ac97/ac97_patch.c
++++ linux-2.6.15gum/sound/pci/ac97/ac97_patch.c
+@@ -375,6 +375,56 @@ int patch_yamaha_ymf753(ac97_t * ac97)
+ }
+
+ /*
++ * UCB1400 codec
++ */
++
++#define AC97_UCB1400_FCSR1 0x6a
++#define AC97_UCB1400_FCSR2 0x6c
++
++static const snd_kcontrol_new_t ucb1400_snd_ac97_controls[] = {
++ AC97_SINGLE("Tone Control - Bass", AC97_UCB1400_FCSR1, 11, 4, 0),
++ AC97_SINGLE("Tone Control - Treble", AC97_UCB1400_FCSR1, 9, 2, 0),
++ AC97_SINGLE("Headphone Playback Switch", AC97_UCB1400_FCSR1, 6, 1, 0),
++ AC97_SINGLE("De-emphasis", AC97_UCB1400_FCSR1, 5, 1, 0),
++ AC97_SINGLE("DC Filter", AC97_UCB1400_FCSR1, 4, 1, 0),
++ AC97_SINGLE("Hi-pass Filter", AC97_UCB1400_FCSR1, 3, 1, 0),
++ AC97_SINGLE("ADC Filter", AC97_UCB1400_FCSR2, 12, 1, 0),
++};
++
++int patch_ucb1400(ac97_t * ac97)
++{
++ int err, i;
++
++ for(i = 0; i < ARRAY_SIZE(ucb1400_snd_ac97_controls); i++) {
++ if((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&ucb1400_snd_ac97_controls[i], ac97))) < 0)
++ return err;
++ }
++
++ snd_ac97_write_cache(ac97, AC97_UCB1400_FCSR1,
++ (0 << 11) | // 0 base boost
++ (0 << 9) | // 0 treble boost
++ (0 << 7) | // Mode = flat
++ (1 << 6) | // Headphones enable
++ (0 << 5) | // De-emphasis disabled
++ (1 << 4) | // DC filter enabled
++ (1 << 3) | // Hi-pass filter enabled
++ (0 << 2) | // disable interrupt signalling via GPIO_INT
++ (1 << 0) // clear ADC overflow status if set
++ );
++
++ snd_ac97_write_cache(ac97, AC97_UCB1400_FCSR2,
++ (0 << 15) | // must be 0
++ (0 << 13) | // must be 0
++ (1 << 12) | // ADC filter enabled
++ (0 << 10) | // must be 0
++ (0 << 4) | // Smart low power mode on neither Codec nor PLL
++ (0 << 0) // must be 0
++ );
++
++ return 0;
++}
++
++/*
+ * May 2, 2003 Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * removed broken wolfson00 patch.
+ * added support for WM9705,WM9708,WM9709,WM9710,WM9711,WM9712 and WM9717.
+Index: linux-2.6.15gum/sound/pci/ac97/ac97_patch.h
+===================================================================
+--- linux-2.6.15gum.orig/sound/pci/ac97/ac97_patch.h
++++ linux-2.6.15gum/sound/pci/ac97/ac97_patch.h
+@@ -58,4 +58,5 @@ int patch_cm9780(ac97_t * ac97);
+ int patch_vt1616(ac97_t * ac97);
+ int patch_vt1617a(ac97_t * ac97);
+ int patch_it2646(ac97_t * ac97);
++int patch_ucb1400(ac97_t * ac97);
+ int mpatch_si3036(ac97_t * ac97);