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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:47:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:47:46 -0800
commita421018e8c10e5593a1fee076af72a66c3fe8ca3 (patch)
tree2854511845d0e07d33726a13eda6de1059a5c9df /drivers
parent3ad1f3b35e8309ec93454dbf89beaafcdb5312da (diff)
parent86e1d57e4f24ca27ce813bdc2afaac4adafcbaf4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits) S3C64XX: Staticise platform data for PCM devices ASoC: Rename controls with a / in wm_hubs snd-fm801: autodetect SF64-PCR (tuner-only) card ALSA: tea575x-tuner: fix mute ASoC: au1x: dbdma2: plug memleak in pcm device creation error path ASoC: au1x: dbdma2: fix oops on soc device removal. ALSA: hda - Fix memory leaks in the previous patch ALSA: hda - Add ALC661/259, ALC892/888VD support ALSA: opti9xx: remove snd_opti9xx fields ALSA: aaci - Clean up duplicate code ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT ALSA: hda - Add position_fix quirk for HP dv3 ALSA: hda - Add a pin-fix for FSC Amilo Pi1505 ALSA: hda - Fix Cxt5047 test mode ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API ASoC: sh: fsi: Add runtime PM support sh: ms7724se: Add runtime PM support for FSI ALSA: hda - Add a position_fix quirk for MSI Wind U115 ALSA: opti-miro: add PnP detection ALSA: opti-miro: separate comon probing code ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/radio/Kconfig18
-rw-r--r--drivers/media/radio/Makefile1
-rw-r--r--drivers/media/radio/radio-miropcm20.c270
-rw-r--r--drivers/mfd/Kconfig6
-rw-r--r--drivers/mfd/Makefile1
-rw-r--r--drivers/mfd/twl4030-codec.c276
-rw-r--r--drivers/mfd/twl4030-core.c16
7 files changed, 587 insertions, 1 deletions
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index a87a477c87f2..b134553eb3b5 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -195,6 +195,24 @@ config RADIO_MAESTRO
To compile this driver as a module, choose M here: the
module will be called radio-maestro.
+config RADIO_MIROPCM20
+ tristate "miroSOUND PCM20 radio"
+ depends on ISA && VIDEO_V4L2
+ select SND_MIRO
+ ---help---
+ Choose Y here if you have this FM radio card. You also need to enable
+ the ALSA sound system. This choice automatically selects the ALSA
+ sound card driver "Miro miroSOUND PCM1pro/PCM12/PCM20radio" as this
+ is required for the radio-miropcm20.
+
+ In order to control your radio card, you will need to use programs
+ that are compatible with the Video For Linux API. Information on
+ this API and pointers to "v4l" programs may be found at
+ <file:Documentation/video4linux/API.html>.
+
+ To compile this driver as a module, choose M here: the
+ module will be called radio-miropcm20.
+
config RADIO_SF16FMI
tristate "SF16FMI Radio"
depends on ISA && VIDEO_V4L2
diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile
index 2a1be3bf4f7c..8a63d543ae41 100644
--- a/drivers/media/radio/Makefile
+++ b/drivers/media/radio/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_RADIO_TRUST) += radio-trust.o
obj-$(CONFIG_I2C_SI4713) += si4713-i2c.o
obj-$(CONFIG_RADIO_SI4713) += radio-si4713.o
obj-$(CONFIG_RADIO_MAESTRO) += radio-maestro.o
+obj-$(CONFIG_RADIO_MIROPCM20) += radio-miropcm20.o
obj-$(CONFIG_USB_DSBR) += dsbr100.o
obj-$(CONFIG_RADIO_SI470X) += si470x/
obj-$(CONFIG_USB_MR800) += radio-mr800.o
diff --git a/drivers/media/radio/radio-miropcm20.c b/drivers/media/radio/radio-miropcm20.c
new file mode 100644
index 000000000000..4ff885445fd4
--- /dev/null
+++ b/drivers/media/radio/radio-miropcm20.c
@@ -0,0 +1,270 @@
+/* Miro PCM20 radio driver for Linux radio support
+ * (c) 1998 Ruurd Reitsma <R.A.Reitsma@wbmt.tudelft.nl>
+ * Thanks to Norberto Pellici for the ACI device interface specification
+ * The API part is based on the radiotrack driver by M. Kirkwood
+ * This driver relies on the aci mixer provided by the snd-miro
+ * ALSA driver.
+ * Look there for further info...
+ */
+
+/* What ever you think about the ACI, version 0x07 is not very well!
+ * I can't get frequency, 'tuner status', 'tuner flags' or mute/mono
+ * conditions... Robert
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <sound/aci.h>
+
+static int radio_nr = -1;
+module_param(radio_nr, int, 0);
+MODULE_PARM_DESC(radio_nr, "Set radio device number (/dev/radioX). Default: -1 (autodetect)");
+
+static int mono;
+module_param(mono, bool, 0);
+MODULE_PARM_DESC(mono, "Force tuner into mono mode.");
+
+struct pcm20 {
+ struct v4l2_device v4l2_dev;
+ struct video_device vdev;
+ unsigned long freq;
+ int muted;
+ struct snd_miro_aci *aci;
+};
+
+static struct pcm20 pcm20_card = {
+ .freq = 87*16000,
+ .muted = 1,
+};
+
+static int pcm20_mute(struct pcm20 *dev, unsigned char mute)
+{
+ dev->muted = mute;
+ return snd_aci_cmd(dev->aci, ACI_SET_TUNERMUTE, mute, -1);
+}
+
+static int pcm20_stereo(struct pcm20 *dev, unsigned char stereo)
+{
+ return snd_aci_cmd(dev->aci, ACI_SET_TUNERMONO, !stereo, -1);
+}
+
+static int pcm20_setfreq(struct pcm20 *dev, unsigned long freq)
+{
+ unsigned char freql;
+ unsigned char freqh;
+ struct snd_miro_aci *aci = dev->aci;
+
+ dev->freq = freq;
+
+ freq /= 160;
+ if (!(aci->aci_version == 0x07 || aci->aci_version >= 0xb0))
+ freq /= 10; /* I don't know exactly which version
+ * needs this hack */
+ freql = freq & 0xff;
+ freqh = freq >> 8;
+
+ pcm20_stereo(dev, !mono);
+ return snd_aci_cmd(aci, ACI_WRITE_TUNE, freql, freqh);
+}
+
+static const struct v4l2_file_operations pcm20_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = video_ioctl2,
+};
+
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *v)
+{
+ strlcpy(v->driver, "Miro PCM20", sizeof(v->driver));
+ strlcpy(v->card, "Miro PCM20", sizeof(v->card));
+ strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
+ v->version = 0x1;
+ v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ return 0;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ if (v->index) /* Only 1 tuner */
+ return -EINVAL;
+ strlcpy(v->name, "FM", sizeof(v->name));
+ v->type = V4L2_TUNER_RADIO;
+ v->rangelow = 87*16000;
+ v->rangehigh = 108*16000;
+ v->signal = 0xffff;
+ v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+ v->capability = V4L2_TUNER_CAP_LOW;
+ v->audmode = V4L2_TUNER_MODE_MONO;
+ return 0;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ return v->index ? -EINVAL : 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct pcm20 *dev = video_drvdata(file);
+
+ if (f->tuner != 0)
+ return -EINVAL;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = dev->freq;
+ return 0;
+}
+
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct pcm20 *dev = video_drvdata(file);
+
+ if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
+ return -EINVAL;
+
+ dev->freq = f->frequency;
+ pcm20_setfreq(dev, f->frequency);
+ return 0;
+}
+
+static int vidioc_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *qc)
+{
+ switch (qc->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+ }
+ return -EINVAL;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct pcm20 *dev = video_drvdata(file);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = dev->muted;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct pcm20 *dev = video_drvdata(file);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ pcm20_mute(dev, ctrl->value);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
+{
+ *i = 0;
+ return 0;
+}
+
+static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+{
+ return i ? -EINVAL : 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ a->index = 0;
+ strlcpy(a->name, "Radio", sizeof(a->name));
+ a->capability = V4L2_AUDCAP_STEREO;
+ return 0;
+}
+
+static int vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ return a->index ? -EINVAL : 0;
+}
+
+static const struct v4l2_ioctl_ops pcm20_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+};
+
+static int __init pcm20_init(void)
+{
+ struct pcm20 *dev = &pcm20_card;
+ struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
+ int res;
+
+ dev->aci = snd_aci_get_aci();
+ if (dev->aci == NULL) {
+ v4l2_err(v4l2_dev,
+ "you must load the snd-miro driver first!\n");
+ return -ENODEV;
+ }
+ strlcpy(v4l2_dev->name, "miropcm20", sizeof(v4l2_dev->name));
+
+
+ res = v4l2_device_register(NULL, v4l2_dev);
+ if (res < 0) {
+ v4l2_err(v4l2_dev, "could not register v4l2_device\n");
+ return -EINVAL;
+ }
+
+ strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+ dev->vdev.v4l2_dev = v4l2_dev;
+ dev->vdev.fops = &pcm20_fops;
+ dev->vdev.ioctl_ops = &pcm20_ioctl_ops;
+ dev->vdev.release = video_device_release_empty;
+ video_set_drvdata(&dev->vdev, dev);
+
+ if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0)
+ goto fail;
+
+ v4l2_info(v4l2_dev, "Mirosound PCM20 Radio tuner\n");
+ return 0;
+fail:
+ v4l2_device_unregister(v4l2_dev);
+ return -EINVAL;
+}
+
+MODULE_AUTHOR("Ruurd Reitsma, Krzysztof Helt");
+MODULE_DESCRIPTION("A driver for the Miro PCM20 radio card.");
+MODULE_LICENSE("GPL");
+
+static void __exit pcm20_cleanup(void)
+{
+ struct pcm20 *dev = &pcm20_card;
+
+ video_unregister_device(&dev->vdev);
+ v4l2_device_unregister(&dev->v4l2_dev);
+}
+
+module_init(pcm20_init);
+module_exit(pcm20_cleanup);
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 570be139f9df..08f2d07bf56a 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -121,6 +121,12 @@ config TWL4030_POWER
and load scripts controling which resources are switched off/on
or reset when a sleep, wakeup or warm reset event occurs.
+config TWL4030_CODEC
+ bool
+ depends on TWL4030_CORE
+ select MFD_CORE
+ default n
+
config MFD_TMIO
bool
default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f3b277b90d40..af0fc903cec8 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_MENELAUS) += menelaus.o
obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o twl4030-irq.o
obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o
+obj-$(CONFIG_TWL4030_CODEC) += twl4030-codec.o
obj-$(CONFIG_MFD_MC13783) += mc13783-core.o
diff --git a/drivers/mfd/twl4030-codec.c b/drivers/mfd/twl4030-codec.c
new file mode 100644
index 000000000000..77b914907d7c
--- /dev/null
+++ b/drivers/mfd/twl4030-codec.c
@@ -0,0 +1,276 @@
+/*
+ * MFD driver for twl4030 codec submodule
+ *
+ * Author: Peter Ujfalusi <peter.ujfalusi@nokia.com>
+ *
+ * Copyright: (C) 2009 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/platform_device.h>
+#include <linux/i2c/twl4030.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/twl4030-codec.h>
+
+#define TWL4030_CODEC_CELLS 2
+
+static struct platform_device *twl4030_codec_dev;
+
+struct twl4030_codec_resource {
+ int request_count;
+ u8 reg;
+ u8 mask;
+};
+
+struct twl4030_codec {
+ unsigned int audio_mclk;
+ struct mutex mutex;
+ struct twl4030_codec_resource resource[TWL4030_CODEC_RES_MAX];
+ struct mfd_cell cells[TWL4030_CODEC_CELLS];
+};
+
+/*
+ * Modify the resource, the function returns the content of the register
+ * after the modification.
+ */
+static int twl4030_codec_set_resource(enum twl4030_codec_res id, int enable)
+{
+ struct twl4030_codec *codec = platform_get_drvdata(twl4030_codec_dev);
+ u8 val;
+
+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val,
+ codec->resource[id].reg);
+
+ if (enable)
+ val |= codec->resource[id].mask;
+ else
+ val &= ~codec->resource[id].mask;
+
+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+ val, codec->resource[id].reg);
+
+ return val;
+}
+
+static inline int twl4030_codec_get_resource(enum twl4030_codec_res id)
+{
+ struct twl4030_codec *codec = platform_get_drvdata(twl4030_codec_dev);
+ u8 val;
+
+ twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val,
+ codec->resource[id].reg);
+
+ return val;
+}
+
+/*
+ * Enable the resource.
+ * The function returns with error or the content of the register
+ */
+int twl4030_codec_enable_resource(enum twl4030_codec_res id)
+{
+ struct twl4030_codec *codec = platform_get_drvdata(twl4030_codec_dev);
+ int val;
+
+ if (id >= TWL4030_CODEC_RES_MAX) {
+ dev_err(&twl4030_codec_dev->dev,
+ "Invalid resource ID (%u)\n", id);
+ return -EINVAL;
+ }
+
+ mutex_lock(&codec->mutex);
+ if (!codec->resource[id].request_count)
+ /* Resource was disabled, enable it */
+ val = twl4030_codec_set_resource(id, 1);
+ else
+ val = twl4030_codec_get_resource(id);
+
+ codec->resource[id].request_count++;
+ mutex_unlock(&codec->mutex);
+
+ return val;
+}
+EXPORT_SYMBOL_GPL(twl4030_codec_enable_resource);
+
+/*
+ * Disable the resource.
+ * The function returns with error or the content of the register
+ */
+int twl4030_codec_disable_resource(unsigned id)
+{
+ struct twl4030_codec *codec = platform_get_drvdata(twl4030_codec_dev);
+ int val;
+
+ if (id >= TWL4030_CODEC_RES_MAX) {
+ dev_err(&twl4030_codec_dev->dev,
+ "Invalid resource ID (%u)\n", id);
+ return -EINVAL;
+ }
+
+ mutex_lock(&codec->mutex);
+ if (!codec->resource[id].request_count) {
+ dev_err(&twl4030_codec_dev->dev,
+ "Resource has been disabled already (%u)\n", id);
+ mutex_unlock(&codec->mutex);
+ return -EPERM;
+ }
+ codec->resource[id].request_count--;
+
+ if (!codec->resource[id].request_count)
+ /* Resource can be disabled now */
+ val = twl4030_codec_set_resource(id, 0);
+ else
+ val = twl4030_codec_get_resource(id);
+
+ mutex_unlock(&codec->mutex);
+
+ return val;
+}
+EXPORT_SYMBOL_GPL(twl4030_codec_disable_resource);
+
+unsigned int twl4030_codec_get_mclk(void)
+{
+ struct twl4030_codec *codec = platform_get_drvdata(twl4030_codec_dev);
+
+ return codec->audio_mclk;
+}
+EXPORT_SYMBOL_GPL(twl4030_codec_get_mclk);
+
+static int __devinit twl4030_codec_probe(struct platform_device *pdev)
+{
+ struct twl4030_codec *codec;
+ struct twl4030_codec_data *pdata = pdev->dev.platform_data;
+ struct mfd_cell *cell = NULL;
+ int ret, childs = 0;
+ u8 val;
+
+ if (!pdata) {
+ dev_err(&pdev->dev, "Platform data is missing\n");
+ return -EINVAL;
+ }
+
+ /* Configure APLL_INFREQ and disable APLL if enabled */
+ val = 0;
+ switch (pdata->audio_mclk) {
+ case 19200000:
+ val |= TWL4030_APLL_INFREQ_19200KHZ;
+ break;
+ case 26000000:
+ val |= TWL4030_APLL_INFREQ_26000KHZ;
+ break;
+ case 38400000:
+ val |= TWL4030_APLL_INFREQ_38400KHZ;
+ break;
+ default:
+ dev_err(&pdev->dev, "Invalid audio_mclk\n");
+ return -EINVAL;
+ }
+ twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+ val, TWL4030_REG_APLL_CTL);
+
+ codec = kzalloc(sizeof(struct twl4030_codec), GFP_KERNEL);
+ if (!codec)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, codec);
+
+ twl4030_codec_dev = pdev;
+ mutex_init(&codec->mutex);
+ codec->audio_mclk = pdata->audio_mclk;
+
+ /* Codec power */
+ codec->resource[TWL4030_CODEC_RES_POWER].reg = TWL4030_REG_CODEC_MODE;
+ codec->resource[TWL4030_CODEC_RES_POWER].mask = TWL4030_CODECPDZ;
+
+ /* PLL */
+ codec->resource[TWL4030_CODEC_RES_APLL].reg = TWL4030_REG_APLL_CTL;
+ codec->resource[TWL4030_CODEC_RES_APLL].mask = TWL4030_APLL_EN;
+
+ if (pdata->audio) {
+ cell = &codec->cells[childs];
+ cell->name = "twl4030_codec_audio";
+ cell->platform_data = pdata->audio;
+ cell->data_size = sizeof(*pdata->audio);
+ childs++;
+ }
+ if (pdata->vibra) {
+ cell = &codec->cells[childs];
+ cell->name = "twl4030_codec_vibra";
+ cell->platform_data = pdata->vibra;
+ cell->data_size = sizeof(*pdata->vibra);
+ childs++;
+ }
+
+ if (childs)
+ ret = mfd_add_devices(&pdev->dev, pdev->id, codec->cells,
+ childs, NULL, 0);
+ else {
+ dev_err(&pdev->dev, "No platform data found for childs\n");
+ ret = -ENODEV;
+ }
+
+ if (!ret)
+ return 0;
+
+ platform_set_drvdata(pdev, NULL);
+ kfree(codec);
+ twl4030_codec_dev = NULL;
+ return ret;
+}
+
+static int __devexit twl4030_codec_remove(struct platform_device *pdev)
+{
+ struct twl4030_codec *codec = platform_get_drvdata(pdev);
+
+ mfd_remove_devices(&pdev->dev);
+ platform_set_drvdata(pdev, NULL);
+ kfree(codec);
+ twl4030_codec_dev = NULL;
+
+ return 0;
+}
+
+MODULE_ALIAS("platform:twl4030_codec");
+
+static struct platform_driver twl4030_codec_driver = {
+ .probe = twl4030_codec_probe,
+ .remove = __devexit_p(twl4030_codec_remove),
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "twl4030_codec",
+ },
+};
+
+static int __devinit twl4030_codec_init(void)
+{
+ return platform_driver_register(&twl4030_codec_driver);
+}
+module_init(twl4030_codec_init);
+
+static void __devexit twl4030_codec_exit(void)
+{
+ platform_driver_unregister(&twl4030_codec_driver);
+}
+module_exit(twl4030_codec_exit);
+
+MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@nokia.com>");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index a1c47ee95c0e..98b984e191d5 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -114,6 +114,12 @@
#define twl_has_watchdog() false
#endif
+#if defined(CONFIG_TWL4030_CODEC) || defined(CONFIG_TWL4030_CODEC_MODULE)
+#define twl_has_codec() true
+#else
+#define twl_has_codec() false
+#endif
+
/* Triton Core internal information (BEGIN) */
/* Last - for index max*/
@@ -601,6 +607,14 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
return PTR_ERR(child);
}
+ if (twl_has_codec() && pdata->codec) {
+ child = add_child(1, "twl4030_codec",
+ pdata->codec, sizeof(*pdata->codec),
+ false, 0, 0);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
if (twl_has_regulator()) {
/*
child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1);
@@ -763,7 +777,7 @@ static int twl4030_remove(struct i2c_client *client)
}
/* NOTE: this driver only handles a single twl4030/tps659x0 chip */
-static int
+static int __init
twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
int status;