* other DBRI low-level stuff
*/
-#include <sound/driver.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <sound/control.h>
#include <sound/initval.h>
-#include <asm/prom.h>
+#include <linux/of.h>
#include <asm/sbus.h>
#include <asm/atomic.h>
struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);
struct dbri_streaminfo *info =
&dbri->stream_info[kcontrol->private_value];
+ unsigned int vol[2];
int changed = 0;
- if (info->left_gain != ucontrol->value.integer.value[0]) {
- info->left_gain = ucontrol->value.integer.value[0];
+ vol[0] = ucontrol->value.integer.value[0];
+ vol[1] = ucontrol->value.integer.value[1];
+ if (kcontrol->private_value == DBRI_PLAY) {
+ if (vol[0] > DBRI_MAX_VOLUME || vol[1] > DBRI_MAX_VOLUME)
+ return -EINVAL;
+ } else {
+ if (vol[0] > DBRI_MAX_GAIN || vol[1] > DBRI_MAX_GAIN)
+ return -EINVAL;
+ }
+
+ if (info->left_gain != vol[0]) {
+ info->left_gain = vol[0];
changed = 1;
}
- if (info->right_gain != ucontrol->value.integer.value[1]) {
- info->right_gain = ucontrol->value.integer.value[1];
+ if (info->right_gain != vol[1]) {
+ info->right_gain = vol[1];
changed = 1;
}
if (changed) {