Merge remote-tracking branches 'asoc/topic/cs42l73', 'asoc/topic/cs47l24', 'asoc...

[sfrench/cifs-2.6.git] / sound / soc / codecs / cx20442.c

diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c
index 46b1fbb66ebaaf2225f87dbe29305f3f8d0178b5..6b6f8e44369b01ea3342eaab01aa14413acf38c5 100644 (file)
--- 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),