[ALSA] Add some more 'const', but needs changes in i2c/other/ak4*

Make data passed to ak4xxx_create 'const'.
Signed-of-by: Philipp Matthias Hahn <pmhahn@pmhahn.de>

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 7d3bccbf..025a7e8 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -185,18 +185,18 @@
 
 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
 
-static struct snd_akm4xxx_dac_channel revo71_front[] = {
+static const struct snd_akm4xxx_dac_channel revo71_front[] = {
 	AK_DAC("PCM Playback Volume", 2)
 };
 
-static struct snd_akm4xxx_dac_channel revo71_surround[] = {
+static const 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[] = {
+static const 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),
@@ -210,7 +210,7 @@
 	NULL
 };
 
-static struct snd_akm4xxx_adc_channel revo51_adc[] = {
+static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
 	{
 		.name = "PCM Capture Volume",
 		.switch_name = "PCM Capture Switch",
@@ -219,7 +219,7 @@
 	},
 };
 
-static struct snd_akm4xxx akm_revo_front __devinitdata = {
+static const struct snd_akm4xxx akm_revo_front __devinitdata = {
 	.type = SND_AK4381,
 	.num_dacs = 2,
 	.ops = {
@@ -320,11 +320,11 @@
 #endif
 }
 
-static struct snd_akm4xxx_dac_channel ap192_dac[] = {
+static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
 	AK_DAC("PCM Playback Volume", 2)
 };
 
-static struct snd_akm4xxx akm_ap192 __devinitdata = {
+static const struct snd_akm4xxx akm_ap192 __devinitdata = {
 	.type = SND_AK4358,
 	.num_dacs = 2,
 	.ops = {