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greybus: gb-audio: Add I2C device for rt5647 codec

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Add the I2C device node for the rt5647 codec.

Eventually, this will be done automatically somewhere
else but for now its done in the audio driver.

Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Mark A. Greer 2015-05-21 15:56:59 -07:00 committed by Greg Kroah-Hartman
parent 827e27e8fe
commit 415b83111c
2 changed files with 21 additions and 1 deletions
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20
drivers/staging/greybus/audio.c
View File

@ -4,7 +4,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/workqueue.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@ -157,6 +156,9 @@ static int gb_i2s_transmitter_connection_init(struct gb_connection *connection)
struct gb_snd *snd_dev;
struct platform_device *codec, *dai;
struct asoc_simple_card_info *simple_card;
#if USE_RT5645
struct i2c_board_info rt5647_info;
#endif
unsigned long flags;
int ret;
@ -219,6 +221,18 @@ static int gb_i2s_transmitter_connection_init(struct gb_connection *connection)
goto out_get_ver;
}
#if USE_RT5645
rt5647_info.addr = RT5647_I2C_ADDR;
strlcpy(rt5647_info.type, "rt5647", I2C_NAME_SIZE);
snd_dev->rt5647 = i2c_new_device(i2c_get_adapter(RT5647_I2C_ADAPTER_NR),
&rt5647_info);
if (!snd_dev->rt5647) {
pr_err("can't create rt5647 i2c device\n");
goto out_get_ver;
}
#endif
return 0;
out_get_ver:
@ -238,6 +252,10 @@ static void gb_i2s_transmitter_connection_exit(struct gb_connection *connection)
snd_dev = (struct gb_snd *)connection->private;
#if USE_RT5645
i2c_unregister_device(snd_dev->rt5647);
#endif
platform_device_unregister(&snd_dev->card);
platform_device_unregister(&snd_dev->cpu_dai);
platform_device_unregister(snd_dev->codec);

2
drivers/staging/greybus/audio.h
View File

@ -4,6 +4,7 @@
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <sound/soc.h>
#include "greybus.h"
@ -41,6 +42,7 @@ struct gb_snd {
struct platform_device cpu_dai;
struct platform_device *codec;
struct asoc_simple_card_info *simple_card_info;
struct i2c_client *rt5647;
struct gb_connection *mgmt_connection;
struct gb_connection *i2s_tx_connection;
struct gb_connection *i2s_rx_connection;