+#define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
+
+static struct snd_akm4xxx_dac_channel revo71_front[] = {
+ AK_DAC("PCM Playback Volume", 2)
+};
+
+static struct snd_akm4xxx_dac_channel revo71_surround[] = {
+ AK_DAC("PCM Center Playback Volume", 1),
+ AK_DAC("PCM LFE Playback Volume", 1),
+ AK_DAC("PCM Side Playback Volume", 2),
+ AK_DAC("PCM Rear Playback Volume", 2),
+};
+
+static struct snd_akm4xxx_dac_channel revo51_dac[] = {
+ AK_DAC("PCM Playback Volume", 2),
+ AK_DAC("PCM Center Playback Volume", 1),
+ AK_DAC("PCM LFE Playback Volume", 1),
+ AK_DAC("PCM Rear Playback Volume", 2),
+};
+
+static struct snd_akm4xxx_adc_channel revo51_adc[] = {
+ {
+ .name = "PCM Capture Volume",
+ .switch_name = "PCM Capture Switch",
+ .num_channels = 2
+ },
+};
+