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Diffstat (limited to 'sound/soc/omap/ams-delta.c')
-rw-r--r--sound/soc/omap/ams-delta.c98
1 files changed, 55 insertions, 43 deletions
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c
index b0f618e..9d88efa 100644
--- a/sound/soc/omap/ams-delta.c
+++ b/sound/soc/omap/ams-delta.c
@@ -99,7 +99,7 @@ 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 (!codec->control_data)
+ if (!codec->hw_write)
return -EUNATCH;
if (ucontrol->value.enumerated.item[0] >= control->max)
@@ -268,10 +268,32 @@ static void cx81801_timeout(unsigned long data)
ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, 0);
}
+/*
+ * Used for passing a codec structure pointer
+ * from the board initialization code to the tty line discipline.
+ */
+static struct snd_soc_codec *cx20442_codec;
+
/* Line discipline .open() */
static int cx81801_open(struct tty_struct *tty)
{
- return v253_ops.open(tty);
+ int ret;
+
+ if (!cx20442_codec)
+ return -ENODEV;
+
+ /*
+ * Pass the codec structure pointer for use by other ldisc callbacks,
+ * both the card and the codec specific parts.
+ */
+ tty->disc_data = cx20442_codec;
+
+ ret = v253_ops.open(tty);
+
+ if (ret < 0)
+ tty->disc_data = NULL;
+
+ return ret;
}
/* Line discipline .close() */
@@ -281,11 +303,14 @@ static void cx81801_close(struct tty_struct *tty)
del_timer_sync(&cx81801_timer);
- v253_ops.close(tty);
-
/* Prevent the hook switch from further changing the DAPM pins */
INIT_LIST_HEAD(&ams_delta_hook_switch.pins);
+ if (!codec)
+ return;
+
+ v253_ops.close(tty);
+
/* Revert back to default audio input/output constellation */
snd_soc_dapm_disable_pin(codec, "Mouthpiece");
snd_soc_dapm_enable_pin(codec, "Earpiece");
@@ -310,7 +335,10 @@ static void cx81801_receive(struct tty_struct *tty,
const unsigned char *c;
int apply, ret;
- if (!codec->control_data) {
+ if (!codec)
+ return;
+
+ if (!codec->hw_write) {
/* First modem response, complete setup procedure */
/* Initialize timer used for config pulse generation */
@@ -323,7 +351,7 @@ static void cx81801_receive(struct tty_struct *tty,
ARRAY_SIZE(ams_delta_hook_switch_pins),
ams_delta_hook_switch_pins);
if (ret)
- dev_warn(codec->socdev->card->dev,
+ dev_warn(codec->dev,
"Failed to link hook switch to DAPM pins, "
"will continue with hook switch unlinked.\n");
@@ -383,7 +411,7 @@ static int ams_delta_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *rtd = substream->private_data;
/* Set cpu DAI configuration */
- return snd_soc_dai_set_fmt(rtd->dai->cpu_dai,
+ return snd_soc_dai_set_fmt(rtd->cpu_dai,
SND_SOC_DAIFMT_DSP_A |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM);
@@ -398,7 +426,7 @@ static struct snd_soc_ops ams_delta_ops = {
static int ams_delta_set_bias_level(struct snd_soc_card *card,
enum snd_soc_bias_level level)
{
- struct snd_soc_codec *codec = card->codec;
+ struct snd_soc_codec *codec = card->rtd->codec;
switch (level) {
case SND_SOC_BIAS_ON:
@@ -461,18 +489,22 @@ static void ams_delta_shutdown(struct snd_pcm_substream *substream)
* Card initialization
*/
-static int ams_delta_cx20442_init(struct snd_soc_codec *codec)
+static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_dai *codec_dai = codec->dai;
- struct snd_soc_card *card = codec->socdev->card;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_card *card = rtd->card;
int ret;
/* Codec is ready, now add/activate board specific controls */
+ /* Store a pointer to the codec structure for tty ldisc use */
+ cx20442_codec = codec;
+
/* Set up digital mute if not provided by the codec */
- if (!codec_dai->ops) {
- codec_dai->ops = &ams_delta_dai_ops;
- } else if (!codec_dai->ops->digital_mute) {
- codec_dai->ops->digital_mute = ams_delta_digital_mute;
+ if (!codec_dai->driver->ops) {
+ codec_dai->driver->ops = &ams_delta_dai_ops;
+ } else if (!codec_dai->driver->ops->digital_mute) {
+ codec_dai->driver->ops->digital_mute = ams_delta_digital_mute;
} else {
ams_delta_ops.startup = ams_delta_startup;
ams_delta_ops.shutdown = ams_delta_shutdown;
@@ -483,7 +515,7 @@ static int ams_delta_cx20442_init(struct snd_soc_codec *codec)
/* Add hook switch - can be used to control the codec from userspace
* even if line discipline fails */
- ret = snd_soc_jack_new(card, "hook_switch",
+ ret = snd_soc_jack_new(rtd->codec, "hook_switch",
SND_JACK_HEADSET, &ams_delta_hook_switch);
if (ret)
dev_warn(card->dev,
@@ -551,27 +583,22 @@ static int ams_delta_cx20442_init(struct snd_soc_codec *codec)
static struct snd_soc_dai_link ams_delta_dai_link = {
.name = "CX20442",
.stream_name = "CX20442",
- .cpu_dai = &omap_mcbsp_dai[0],
- .codec_dai = &cx20442_dai,
+ .cpu_dai_name ="omap-mcbsp-dai.0",
+ .codec_dai_name = "cx20442-hifi",
.init = ams_delta_cx20442_init,
+ .platform_name = "omap-pcm-audio",
+ .codec_name = "cx20442-codec",
.ops = &ams_delta_ops,
};
/* Audio card driver */
static struct snd_soc_card ams_delta_audio_card = {
.name = "AMS_DELTA",
- .platform = &omap_soc_platform,
.dai_link = &ams_delta_dai_link,
.num_links = 1,
.set_bias_level = ams_delta_set_bias_level,
};
-/* Audio subsystem */
-static struct snd_soc_device ams_delta_snd_soc_device = {
- .card = &ams_delta_audio_card,
- .codec_dev = &cx20442_codec_dev,
-};
-
/* Module init/exit */
static struct platform_device *ams_delta_audio_platform_device;
static struct platform_device *cx20442_platform_device;
@@ -589,9 +616,7 @@ static int __init ams_delta_module_init(void)
return -ENOMEM;
platform_set_drvdata(ams_delta_audio_platform_device,
- &ams_delta_snd_soc_device);
- ams_delta_snd_soc_device.dev = &ams_delta_audio_platform_device->dev;
- *(unsigned int *)ams_delta_dai_link.cpu_dai->private_data = OMAP_MCBSP1;
+ &ams_delta_audio_card);
ret = platform_device_add(ams_delta_audio_platform_device);
if (ret)
@@ -601,8 +626,8 @@ static int __init ams_delta_module_init(void)
* Codec platform device could be registered from elsewhere (board?),
* but I do it here as it makes sense only if used with the card.
*/
- cx20442_platform_device = platform_device_register_simple("cx20442",
- -1, NULL, 0);
+ cx20442_platform_device =
+ platform_device_register_simple("cx20442-codec", -1, NULL, 0);
return 0;
err:
platform_device_put(ams_delta_audio_platform_device);
@@ -612,19 +637,6 @@ module_init(ams_delta_module_init);
static void __exit ams_delta_module_exit(void)
{
- struct snd_soc_codec *codec;
- struct tty_struct *tty;
-
- if (ams_delta_audio_card.codec) {
- codec = ams_delta_audio_card.codec;
-
- if (codec->control_data) {
- tty = codec->control_data;
-
- tty_hangup(tty);
- }
- }
-
if (tty_unregister_ldisc(N_V253) != 0)
dev_warn(&ams_delta_audio_platform_device->dev,
"failed to unregister V253 line discipline\n");
generated by cgit v1.1 at 2024-11-03 08:26:47 +0000