diff options
author | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 10:22:15 +0200 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 10:22:59 +0200 |
commit | 07f9479a40cc778bc1462ada11f95b01360ae4ff (patch) | |
tree | 0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /drivers/media/video/cx88/cx88-alsa.c | |
parent | 9d5e6bdb3013acfb311ab407eeca0b6a6a3dedbf (diff) | |
parent | cd2e49e90f1cae7726c9a2c54488d881d7f1cd1c (diff) |
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
-rw-r--r-- | drivers/media/video/cx88/cx88-alsa.c | 118 |
1 files changed, 103 insertions, 15 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index 54b7fcd469a..423c1af8a78 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -40,6 +40,7 @@ #include <sound/control.h> #include <sound/initval.h> #include <sound/tlv.h> +#include <media/wm8775.h> #include "cx88.h" #include "cx88-reg.h" @@ -577,6 +578,35 @@ static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol, return 0; } +static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); + struct cx88_core *core = chip->core; + struct v4l2_control client_ctl; + int left = value->value.integer.value[0]; + int right = value->value.integer.value[1]; + int v, b; + + memset(&client_ctl, 0, sizeof(client_ctl)); + + /* Pass volume & balance onto any WM8775 */ + if (left >= right) { + v = left << 10; + b = left ? (0x8000 * right) / left : 0x8000; + } else { + v = right << 10; + b = right ? 0xffff - (0x8000 * left) / right : 0x8000; + } + client_ctl.value = v; + client_ctl.id = V4L2_CID_AUDIO_VOLUME; + call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); + + client_ctl.value = b; + client_ctl.id = V4L2_CID_AUDIO_BALANCE; + call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); +} + /* OK - TODO: test it */ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *value) @@ -587,25 +617,28 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol, int changed = 0; u32 old; + if (core->board.audio_chip == V4L2_IDENT_WM8775) + snd_cx88_wm8775_volume_put(kcontrol, value); + left = value->value.integer.value[0] & 0x3f; right = value->value.integer.value[1] & 0x3f; b = right - left; if (b < 0) { - v = 0x3f - left; - b = (-b) | 0x40; + v = 0x3f - left; + b = (-b) | 0x40; } else { - v = 0x3f - right; + v = 0x3f - right; } /* Do we really know this will always be called with IRQs on? */ spin_lock_irq(&chip->reg_lock); old = cx_read(AUD_VOL_CTL); if (v != (old & 0x3f)) { - cx_write(AUD_VOL_CTL, (old & ~0x3f) | v); - changed = 1; + cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v); + changed = 1; } - if (cx_read(AUD_BAL_CTL) != b) { - cx_write(AUD_BAL_CTL, b); - changed = 1; + if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) { + cx_write(AUD_BAL_CTL, b); + changed = 1; } spin_unlock_irq(&chip->reg_lock); @@ -618,7 +651,7 @@ static const struct snd_kcontrol_new snd_cx88_volume = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, - .name = "Playback Volume", + .name = "Analog-TV Volume", .info = snd_cx88_volume_info, .get = snd_cx88_volume_get, .put = snd_cx88_volume_put, @@ -649,7 +682,17 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, vol = cx_read(AUD_VOL_CTL); if (value->value.integer.value[0] != !(vol & bit)) { vol ^= bit; - cx_write(AUD_VOL_CTL, vol); + cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol); + /* Pass mute onto any WM8775 */ + if ((core->board.audio_chip == V4L2_IDENT_WM8775) && + ((1<<6) == bit)) { + struct v4l2_control client_ctl; + + memset(&client_ctl, 0, sizeof(client_ctl)); + client_ctl.value = 0 != (vol & bit); + client_ctl.id = V4L2_CID_AUDIO_MUTE; + call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); + } ret = 1; } spin_unlock_irq(&chip->reg_lock); @@ -658,7 +701,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, static const struct snd_kcontrol_new snd_cx88_dac_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Playback Switch", + .name = "Audio-Out Switch", .info = snd_ctl_boolean_mono_info, .get = snd_cx88_switch_get, .put = snd_cx88_switch_put, @@ -667,13 +710,51 @@ static const struct snd_kcontrol_new snd_cx88_dac_switch = { static const struct snd_kcontrol_new snd_cx88_source_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Capture Switch", + .name = "Analog-TV Switch", .info = snd_ctl_boolean_mono_info, .get = snd_cx88_switch_get, .put = snd_cx88_switch_put, .private_value = (1<<6), }; +static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); + struct cx88_core *core = chip->core; + struct v4l2_control client_ctl; + + memset(&client_ctl, 0, sizeof(client_ctl)); + client_ctl.id = V4L2_CID_AUDIO_LOUDNESS; + call_hw(core, WM8775_GID, core, g_ctrl, &client_ctl); + value->value.integer.value[0] = client_ctl.value ? 1 : 0; + + return 0; +} + +static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *value) +{ + snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); + struct cx88_core *core = chip->core; + struct v4l2_control client_ctl; + + memset(&client_ctl, 0, sizeof(client_ctl)); + client_ctl.value = 0 != value->value.integer.value[0]; + client_ctl.id = V4L2_CID_AUDIO_LOUDNESS; + call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); + + return 0; +} + +static struct snd_kcontrol_new snd_cx88_alc_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Line-In ALC Switch", + .info = snd_ctl_boolean_mono_info, + .get = snd_cx88_alc_get, + .put = snd_cx88_alc_put, +}; + /**************************************************************************** Basic Flow for Sound Devices ****************************************************************************/ @@ -724,7 +805,8 @@ static void snd_cx88_dev_free(struct snd_card * card) static int devno; static int __devinit snd_cx88_create(struct snd_card *card, struct pci_dev *pci, - snd_cx88_card_t **rchip) + snd_cx88_card_t **rchip, + struct cx88_core **core_ptr) { snd_cx88_card_t *chip; struct cx88_core *core; @@ -750,7 +832,7 @@ static int __devinit snd_cx88_create(struct snd_card *card, if (!pci_dma_supported(pci,DMA_BIT_MASK(32))) { dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name); err = -EIO; - cx88_core_put(core,pci); + cx88_core_put(core, pci); return err; } @@ -786,6 +868,7 @@ static int __devinit snd_cx88_create(struct snd_card *card, snd_card_set_dev(card, &pci->dev); *rchip = chip; + *core_ptr = core; return 0; } @@ -795,6 +878,7 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci, { struct snd_card *card; snd_cx88_card_t *chip; + struct cx88_core *core = NULL; int err; if (devno >= SNDRV_CARDS) @@ -812,7 +896,7 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci, card->private_free = snd_cx88_dev_free; - err = snd_cx88_create(card, pci, &chip); + err = snd_cx88_create(card, pci, &chip, &core); if (err < 0) goto error; @@ -830,6 +914,10 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci, if (err < 0) goto error; + /* If there's a wm8775 then add a Line-In ALC switch */ + if (core->board.audio_chip == V4L2_IDENT_WM8775) + snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip)); + strcpy (card->driver, "CX88x"); sprintf(card->shortname, "Conexant CX%x", pci->device); sprintf(card->longname, "%s at %#llx", |