diff options
Diffstat (limited to 'sound/soc/codecs/cx20442.c')
| -rw-r--r-- | sound/soc/codecs/cx20442.c | 44 |
1 files changed, 14 insertions, 30 deletions
diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c index 46b1fbb66eba..6b6f8e44369b 100644 --- a/sound/soc/codecs/cx20442.c +++ b/sound/soc/codecs/cx20442.c @@ -26,7 +26,7 @@ struct cx20442_priv { - void *control_data; + struct tty_struct *tty; struct regulator *por; }; @@ -88,17 +88,6 @@ static const struct snd_soc_dapm_route cx20442_audio_map[] = { {"ADC", NULL, "Input Mixer"}, }; -static unsigned int cx20442_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u8 *reg_cache = codec->reg_cache; - - if (reg >= codec->driver->reg_cache_size) - return -EINVAL; - - return reg_cache[reg]; -} - enum v253_vls { V253_VLS_NONE = 0, V253_VLS_T, @@ -123,6 +112,8 @@ enum v253_vls { V253_VLS_TEST, }; +#if 0 +/* FIXME : these function will be re-used */ static int cx20442_pm_to_v253_vls(u8 value) { switch (value & ~(1 << CX20442_AGC)) { @@ -163,9 +154,9 @@ static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg, if (reg >= codec->driver->reg_cache_size) return -EINVAL; - /* hw_write and control_data pointers required for talking to the modem + /* tty and write pointers required for talking to the modem * are expected to be set by the line discipline initialization code */ - if (!codec->hw_write || !cx20442->control_data) + if (!cx20442->tty || !cx20442->tty->ops->write) return -EIO; old = reg_cache[reg]; @@ -194,12 +185,12 @@ static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg, return -ENOMEM; dev_dbg(codec->dev, "%s: %s\n", __func__, buf); - if (codec->hw_write(cx20442->control_data, buf, len) != len) + if (cx20442->tty->ops->write(cx20442->tty, buf, len) != len) return -EIO; return 0; } - +#endif /* * Line discpline related code @@ -252,8 +243,7 @@ static void v253_close(struct tty_struct *tty) cx20442 = snd_soc_codec_get_drvdata(codec); /* Prevent the codec driver from further accessing the modem */ - codec->hw_write = NULL; - cx20442->control_data = NULL; + cx20442->tty = NULL; codec->component.card->pop_time = 0; } @@ -276,12 +266,11 @@ static void v253_receive(struct tty_struct *tty, cx20442 = snd_soc_codec_get_drvdata(codec); - if (!cx20442->control_data) { + if (!cx20442->tty) { /* First modem response, complete setup procedure */ /* Set up codec driver access to modem controls */ - cx20442->control_data = tty; - codec->hw_write = (hw_write_t)tty->ops->write; + cx20442->tty = tty; codec->component.card->pop_time = 1; } } @@ -367,10 +356,9 @@ static int cx20442_codec_probe(struct snd_soc_codec *codec) cx20442->por = regulator_get(codec->dev, "POR"); if (IS_ERR(cx20442->por)) dev_warn(codec->dev, "failed to get the regulator"); - cx20442->control_data = NULL; + cx20442->tty = NULL; snd_soc_codec_set_drvdata(codec, cx20442); - codec->hw_write = NULL; codec->component.card->pop_time = 0; return 0; @@ -381,8 +369,8 @@ static int cx20442_codec_remove(struct snd_soc_codec *codec) { struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec); - if (cx20442->control_data) { - struct tty_struct *tty = cx20442->control_data; + if (cx20442->tty) { + struct tty_struct *tty = cx20442->tty; tty_hangup(tty); } @@ -402,11 +390,7 @@ static const struct snd_soc_codec_driver cx20442_codec_dev = { .probe = cx20442_codec_probe, .remove = cx20442_codec_remove, .set_bias_level = cx20442_set_bias_level, - .reg_cache_default = &cx20442_reg, - .reg_cache_size = 1, - .reg_word_size = sizeof(u8), - .read = cx20442_read_reg_cache, - .write = cx20442_write, + .component_driver = { .dapm_widgets = cx20442_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(cx20442_dapm_widgets), |