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path: root/sound/pci/ice1712/delta.c
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Diffstat (limited to 'sound/pci/ice1712/delta.c')
-rw-r--r--sound/pci/ice1712/delta.c62
1 files changed, 49 insertions, 13 deletions
diff --git a/sound/pci/ice1712/delta.c b/sound/pci/ice1712/delta.c
index 9a51d34e681..af659800c9b 100644
--- a/sound/pci/ice1712/delta.c
+++ b/sound/pci/ice1712/delta.c
@@ -28,6 +28,8 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/mutex.h>
+
#include <sound/core.h>
#include <sound/cs8427.h>
#include <sound/asoundef.h>
@@ -130,13 +132,13 @@ static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *byt
int res = count;
unsigned char tmp;
- down(&ice->gpio_mutex);
+ mutex_lock(&ice->gpio_mutex);
tmp = ap_cs8427_codec_select(ice);
ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
while (count-- > 0)
ap_cs8427_write_byte(ice, *bytes++, tmp);
ap_cs8427_codec_deassert(ice, tmp);
- up(&ice->gpio_mutex);
+ mutex_unlock(&ice->gpio_mutex);
return res;
}
@@ -147,13 +149,13 @@ static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *byt
int res = count;
unsigned char tmp;
- down(&ice->gpio_mutex);
+ mutex_lock(&ice->gpio_mutex);
tmp = ap_cs8427_codec_select(ice);
ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
while (count-- > 0)
*bytes++ = ap_cs8427_read_byte(ice, tmp);
ap_cs8427_codec_deassert(ice, tmp);
- up(&ice->gpio_mutex);
+ mutex_unlock(&ice->gpio_mutex);
return res;
}
@@ -180,7 +182,7 @@ static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsign
/* send byte to transmitter */
mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
- down(&ice->gpio_mutex);
+ mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
for (idx = 7; idx >= 0; idx--) {
tmp &= ~(mask1 | mask2);
@@ -194,7 +196,7 @@ static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsign
}
tmp &= ~mask1;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
- up(&ice->gpio_mutex);
+ mutex_unlock(&ice->gpio_mutex);
}
@@ -296,14 +298,14 @@ static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
- down(&ice->gpio_mutex);
+ mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
tmp2 = tmp & ~ICE1712_DELTA_DFS;
if (rate > 48000)
tmp2 |= ICE1712_DELTA_DFS;
if (tmp != tmp2)
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
- up(&ice->gpio_mutex);
+ mutex_unlock(&ice->gpio_mutex);
}
/*
@@ -318,9 +320,9 @@ static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
return;
/* check before reset ak4524 to avoid unnecessary clicks */
- down(&ice->gpio_mutex);
+ mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
- up(&ice->gpio_mutex);
+ mutex_unlock(&ice->gpio_mutex);
tmp2 = tmp & ~ICE1712_DELTA_DFS;
if (rate > 48000)
tmp2 |= ICE1712_DELTA_DFS;
@@ -329,12 +331,12 @@ static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
/* do it again */
snd_akm4xxx_reset(ak, 1);
- down(&ice->gpio_mutex);
+ mutex_lock(&ice->gpio_mutex);
tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
if (rate > 48000)
tmp |= ICE1712_DELTA_DFS;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
- up(&ice->gpio_mutex);
+ mutex_unlock(&ice->gpio_mutex);
snd_akm4xxx_reset(ak, 0);
}
@@ -391,6 +393,37 @@ static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
}
+static int snd_ice1712_delta1010lt_wordclock_status_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ char reg = 0x10; // cs8427 receiver error register
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+
+ if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
+ snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
+ snd_i2c_readbytes(ice->cs8427, &reg, 1);
+ ucontrol->value.integer.value[0] = (reg ? 1 : 0);
+ return 0;
+}
+
+static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =
+{
+ .access = (SNDRV_CTL_ELEM_ACCESS_READ),
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Word Clock Status",
+ .info = snd_ice1712_delta1010lt_wordclock_status_info,
+ .get = snd_ice1712_delta1010lt_wordclock_status_get,
+};
/*
* initialize the chips on M-Audio cards
@@ -620,7 +653,7 @@ static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =
ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =
-ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 1, 0);
+ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =
ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Status", 0, ICE1712_DELTA_WORD_CLOCK_STATUS, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
@@ -653,6 +686,9 @@ static int __devinit snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
if (err < 0)
return err;
+ err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
+ if (err < 0)
+ return err;
break;
}