[ALSA] emu10k1 - EMU 1212 with 16 capture channels
* adding 8 more 32-bit capture channels (total of 16) for emu1010 cards
* adding some code comments and card details description
Signed-off-by: Pavel Hofman <dustin@seznam.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index 4db6e1c..7b2c1dc 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -77,6 +77,10 @@
return 0;
}
+/*
+ * Items labels in enum mixer controls assigning source data to
+ * each destination
+ */
static char *emu1010_src_texts[] = {
"Silence",
"Dock Mic A",
@@ -133,6 +137,9 @@
"DSP 31",
};
+/*
+ * List of data sources available for each destination
+ */
static unsigned int emu1010_src_regs[] = {
EMU_SRC_SILENCE,/* 0 */
EMU_SRC_DOCK_MIC_A1, /* 1 */
@@ -189,6 +196,10 @@
EMU_SRC_ALICE_EMU32B+0xf, /* 52 */
};
+/*
+ * Data destinations - physical EMU outputs.
+ * Each destination has an enum mixer control to choose a data source
+ */
static unsigned int emu1010_output_dst[] = {
EMU_DST_DOCK_DAC1_LEFT1, /* 0 */
EMU_DST_DOCK_DAC1_RIGHT1, /* 1 */
@@ -216,6 +227,11 @@
EMU_DST_HANA_ADAT+7, /* 23 */
};
+/*
+ * Data destinations - HANA outputs going to Alice2 (audigy) for
+ * capture (EMU32 + I2S links)
+ * Each destination has an enum mixer control to choose a data source
+ */
static unsigned int emu1010_input_dst[] = {
EMU_DST_ALICE2_EMU32_0,
EMU_DST_ALICE2_EMU32_1,