diff options
Diffstat (limited to 'sound/soc/omap/ams-delta.c')
-rw-r--r-- | sound/soc/omap/ams-delta.c | 98 |
1 files changed, 55 insertions, 43 deletions
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c index b0f618e4484..9d88efa06e3 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"); |