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author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2017-11-09 01:04:09 +0000 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2017-11-27 18:47:34 +0000 |
commit | fac3f5e20dcecc2aa03272c5d2d36d253883c6ce (patch) | |
tree | 43cffac408348390a614f99f6286128858ece1ea | |
parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
download | linux-stable-fac3f5e20dcecc2aa03272c5d2d36d253883c6ce.tar.gz linux-stable-fac3f5e20dcecc2aa03272c5d2d36d253883c6ce.tar.bz2 linux-stable-fac3f5e20dcecc2aa03272c5d2d36d253883c6ce.zip |
ASoC: don't use codec hw_write on cx20442/omap-ams-delta
cx20442/omap-ams-delta driver is using codec hw_write/control_data,
but it is redundant code. This patch cleanup these
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | sound/soc/codecs/cx20442.c | 23 | ||||
-rw-r--r-- | sound/soc/omap/ams-delta.c | 4 |
2 files changed, 12 insertions, 15 deletions
diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c index 46b1fbb66eba..2083f7eb9de2 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; }; @@ -163,9 +163,9 @@ 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]; @@ -194,7 +194,7 @@ 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; @@ -252,8 +252,7 @@ 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 +275,11 @@ 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 +365,9 @@ 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 +378,8 @@ 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); } diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c index d40219678700..cb72c1e57da0 100644 --- a/sound/soc/omap/ams-delta.c +++ b/sound/soc/omap/ams-delta.c @@ -105,7 +105,7 @@ static int ams_delta_set_audio_mode(struct snd_kcontrol *kcontrol, int pin, changed = 0; /* Refuse any mode changes if we are not able to control the codec. */ - if (!cx20442_codec->hw_write) + if (!cx20442_codec->component.card->pop_time) return -EUNATCH; if (ucontrol->value.enumerated.item[0] >= control->items) @@ -345,7 +345,7 @@ static void cx81801_receive(struct tty_struct *tty, if (!codec) return; - if (!codec->hw_write) { + if (!codec->component.card->pop_time) { /* First modem response, complete setup procedure */ /* Initialize timer used for config pulse generation */ |