X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=sound%2Fsoc%2Fsoc-core.c;h=462e635dfc74bc084f2c140480c4e6fe8e8cd7cc;hb=2fca5ccf97d2c28bcfce44f5b07d85e74e3cd18e;hp=83f1190293a8287c2a516a81a07575dc7f4933c7;hpb=bc588df79ebfb710abc27342fccf336a68ed1216;p=linux-2.6-omap-h63xx.git diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 83f1190293a..462e635dfc7 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -4,8 +4,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * with code, comments and ideas from :- * Richard Purdie * @@ -340,6 +339,12 @@ static int soc_codec_close(struct snd_pcm_substream *substream) } codec->active--; + /* Muting the DAC suppresses artifacts caused during digital + * shutdown, for example from stopping clocks. + */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + snd_soc_dai_digital_mute(codec_dai, 1); + if (cpu_dai->ops.shutdown) cpu_dai->ops.shutdown(substream); @@ -970,9 +975,29 @@ static ssize_t codec_reg_show(struct device *dev, step = codec->reg_cache_step; count += sprintf(buf, "%s registers\n", codec->name); - for (i = 0; i < codec->reg_cache_size; i += step) - count += sprintf(buf + count, "%2x: %4x\n", i, - codec->read(codec, i)); + for (i = 0; i < codec->reg_cache_size; i += step) { + count += sprintf(buf + count, "%2x: ", i); + if (count >= PAGE_SIZE - 1) + break; + + if (codec->display_register) + count += codec->display_register(codec, buf + count, + PAGE_SIZE - count, i); + else + count += snprintf(buf + count, PAGE_SIZE - count, + "%4x", codec->read(codec, i)); + + if (count >= PAGE_SIZE - 1) + break; + + count += snprintf(buf + count, PAGE_SIZE - count, "\n"); + if (count >= PAGE_SIZE - 1) + break; + } + + /* Truncate count; min() would cause a warning */ + if (count >= PAGE_SIZE) + count = PAGE_SIZE - 1; return count; } @@ -1296,10 +1321,10 @@ int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = e->shift_l == e->shift_r ? 1 : 2; - uinfo->value.enumerated.items = e->mask; + uinfo->value.enumerated.items = e->max; - if (uinfo->value.enumerated.item > e->mask - 1) - uinfo->value.enumerated.item = e->mask - 1; + if (uinfo->value.enumerated.item > e->max - 1) + uinfo->value.enumerated.item = e->max - 1; strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); return 0; @@ -1322,7 +1347,7 @@ int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned short val, bitmask; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; val = snd_soc_read(codec, e->reg); ucontrol->value.enumerated.item[0] @@ -1352,14 +1377,14 @@ int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, unsigned short val; unsigned short mask, bitmask; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; - if (ucontrol->value.enumerated.item[0] > e->mask - 1) + if (ucontrol->value.enumerated.item[0] > e->max - 1) return -EINVAL; val = ucontrol->value.enumerated.item[0] << e->shift_l; mask = (bitmask - 1) << e->shift_l; if (e->shift_l != e->shift_r) { - if (ucontrol->value.enumerated.item[1] > e->mask - 1) + if (ucontrol->value.enumerated.item[1] > e->max - 1) return -EINVAL; val |= ucontrol->value.enumerated.item[1] << e->shift_r; mask |= (bitmask - 1) << e->shift_r; @@ -1386,10 +1411,10 @@ int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; - uinfo->value.enumerated.items = e->mask; + uinfo->value.enumerated.items = e->max; - if (uinfo->value.enumerated.item > e->mask - 1) - uinfo->value.enumerated.item = e->mask - 1; + if (uinfo->value.enumerated.item > e->max - 1) + uinfo->value.enumerated.item = e->max - 1; strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); return 0; @@ -1434,9 +1459,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int max = (kcontrol->private_value >> 16) & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; + unsigned int shift = mc->min; + unsigned int rshift = mc->rshift; if (max == 1) uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; @@ -1462,13 +1489,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw); int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; - int max = (kcontrol->private_value >> 16) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 24) & 0x01; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; @@ -1499,13 +1528,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw); int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; - int max = (kcontrol->private_value >> 16) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 24) & 0x01; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; unsigned short val, val2, val_mask; val = (ucontrol->value.integer.value[0] & mask); @@ -1537,7 +1568,9 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw); int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int max = (kcontrol->private_value >> 12) & 0xff; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; if (max == 1) uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; @@ -1563,13 +1596,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 24) & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int max = (kcontrol->private_value >> 12) & 0xff; - int mask = (1<private_value >> 20) & 0x01; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; + int max = mc->max; + unsigned int mask = (1<invert; ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; @@ -1598,13 +1633,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 24) & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int max = (kcontrol->private_value >> 12) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 20) & 0x01; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; int err; unsigned short val, val2, val_mask; @@ -1641,8 +1678,10 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r); int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int max = (signed char)((kcontrol->private_value >> 16) & 0xff); - int min = (signed char)((kcontrol->private_value >> 24) & 0xff); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; + int min = mc->min; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; @@ -1664,9 +1703,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int min = (signed char)((kcontrol->private_value >> 24) & 0xff); + unsigned int reg = mc->reg; + int min = mc->min; int val = snd_soc_read(codec, reg); ucontrol->value.integer.value[0] = @@ -1689,9 +1730,11 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int min = (signed char)((kcontrol->private_value >> 24) & 0xff); + unsigned int reg = mc->reg; + int min = mc->min; unsigned short val; val = (ucontrol->value.integer.value[0]+min) & 0xff; @@ -1842,7 +1885,7 @@ module_init(snd_soc_init); module_exit(snd_soc_exit); /* Module information */ -MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com"); +MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); MODULE_DESCRIPTION("ALSA SoC Core"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:soc-audio");