diff options
| -rw-r--r-- | sound/soc/sh/rcar/dvc.c | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c index 9096fb0..12a0a206 100644 --- a/sound/soc/sh/rcar/dvc.c +++ b/sound/soc/sh/rcar/dvc.c @@ -20,7 +20,7 @@ struct rsnd_dvc { struct rsnd_dvc_platform_info *info; /* rcar_snd.h */ struct rsnd_mod mod; struct clk *clk; - long volume[RSND_DVC_VOLUME_NUM]; + u8 volume[RSND_DVC_VOLUME_NUM]; }; #define rsnd_mod_to_dvc(_mod) \ @@ -151,12 +151,11 @@ static int rsnd_dvc_volume_info(struct snd_kcontrol *kctrl, static int rsnd_dvc_volume_get(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *ucontrol) { - struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); - struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod); + u8 *val = (u8 *)kctrl->private_value; int i; for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) - ucontrol->value.integer.value[i] = dvc->volume[i]; + ucontrol->value.integer.value[i] = val[i]; return 0; } @@ -165,47 +164,38 @@ static int rsnd_dvc_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *ucontrol) { struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); - struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod); + u8 *val = (u8 *)kctrl->private_value; int i, change = 0; for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) { - if (ucontrol->value.integer.value[i] < 0 || - ucontrol->value.integer.value[i] > RSND_DVC_VOLUME_MAX) - return -EINVAL; - - change |= (ucontrol->value.integer.value[i] != dvc->volume[i]); + change |= (ucontrol->value.integer.value[i] != val[i]); + val[i] = ucontrol->value.integer.value[i]; } - if (change) { - for (i = 0; i < RSND_DVC_VOLUME_NUM; i++) - dvc->volume[i] = ucontrol->value.integer.value[i]; - + if (change) rsnd_dvc_volume_update(mod); - } return change; } -static int rsnd_dvc_pcm_new(struct rsnd_mod *mod, - struct rsnd_dai *rdai, - struct snd_soc_pcm_runtime *rtd) +static int __rsnd_dvc_pcm_new(struct rsnd_mod *mod, + struct rsnd_dai *rdai, + struct snd_soc_pcm_runtime *rtd, + const unsigned char *name, + u8 *private) { - struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); struct snd_card *card = rtd->card->snd_card; struct snd_kcontrol *kctrl; - static struct snd_kcontrol_new knew = { + struct snd_kcontrol_new knew = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = name, .info = rsnd_dvc_volume_info, .get = rsnd_dvc_volume_get, .put = rsnd_dvc_volume_put, + .private_value = (unsigned long)private, }; int ret; - if (rsnd_dai_is_play(rdai, io)) - knew.name = "Playback Volume"; - else - knew.name = "Capture Volume"; - kctrl = snd_ctl_new1(&knew, mod); if (!kctrl) return -ENOMEM; @@ -217,6 +207,25 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod, return 0; } +static int rsnd_dvc_pcm_new(struct rsnd_mod *mod, + struct rsnd_dai *rdai, + struct snd_soc_pcm_runtime *rtd) +{ + struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); + struct rsnd_dvc *dvc = rsnd_mod_to_dvc(mod); + int ret; + + /* Volume */ + ret = __rsnd_dvc_pcm_new(mod, rdai, rtd, + rsnd_dai_is_play(rdai, io) ? + "DVC Out Playback Volume" : "DVC In Capture Volume", + dvc->volume); + if (ret < 0) + return ret; + + return 0; +} + static struct rsnd_mod_ops rsnd_dvc_ops = { .name = DVC_NAME, .probe = rsnd_dvc_probe_gen2, |