diff options
Diffstat (limited to 'sound/pci/ice1712/delta.c')
| -rw-r--r-- | sound/pci/ice1712/delta.c | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/sound/pci/ice1712/delta.c b/sound/pci/ice1712/delta.c index 9a51d34e6817af..af659800c9b040 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, ®, 1) != 1) + snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg); + snd_i2c_readbytes(ice->cs8427, ®, 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; } |