usb: gadget: f_uac1: remove compatibility layer

There are no users of the old interface left, so it can be removed.

Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2014-07-22 19:58:40 +02:00 committed by Felipe Balbi
parent 0d992dec96
commit 605ef833f0
3 changed files with 1 additions and 138 deletions

View File

@ -16,24 +16,8 @@
#include <linux/atomic.h>
#include "u_uac1.h"
#ifdef USBF_UAC1_INCLUDED
#include "u_uac1.c"
#endif
#define OUT_EP_MAX_PACKET_SIZE 200
#ifdef USBF_UAC1_INCLUDED
static int req_buf_size = OUT_EP_MAX_PACKET_SIZE;
module_param(req_buf_size, int, S_IRUGO);
MODULE_PARM_DESC(req_buf_size, "ISO OUT endpoint request buffer size");
static int req_count = 256;
module_param(req_count, int, S_IRUGO);
MODULE_PARM_DESC(req_count, "ISO OUT endpoint request count");
static int audio_buf_size = 48000;
module_param(audio_buf_size, int, S_IRUGO);
MODULE_PARM_DESC(audio_buf_size, "Audio buffer size");
#endif
static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value);
static int generic_get_cmd(struct usb_audio_control *con, u8 cmd);
@ -337,17 +321,14 @@ static int f_audio_out_ep_complete(struct usb_ep *ep, struct usb_request *req)
struct f_audio *audio = req->context;
struct usb_composite_dev *cdev = audio->card.func.config->cdev;
struct f_audio_buf *copy_buf = audio->copy_buf;
#ifndef USBF_UAC1_INCLUDED
struct f_uac1_opts *opts;
int audio_buf_size;
#endif
int err;
#ifndef USBF_UAC1_INCLUDED
opts = container_of(audio->card.func.fi, struct f_uac1_opts,
func_inst);
audio_buf_size = opts->audio_buf_size;
#endif
if (!copy_buf)
return -EINVAL;
@ -592,21 +573,17 @@ static int f_audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
struct usb_composite_dev *cdev = f->config->cdev;
struct usb_ep *out_ep = audio->out_ep;
struct usb_request *req;
#ifndef USBF_UAC1_INCLUDED
struct f_uac1_opts *opts;
int req_buf_size, req_count, audio_buf_size;
#endif
int i = 0, err = 0;
DBG(cdev, "intf %d, alt %d\n", intf, alt);
#ifndef USBF_UAC1_INCLUDED
opts = container_of(f->fi, struct f_uac1_opts, func_inst);
req_buf_size = opts->req_buf_size;
req_count = opts->req_count;
audio_buf_size = opts->audio_buf_size;
#endif
if (intf == 1) {
if (alt == 1) {
usb_ep_enable(out_ep);
@ -689,7 +666,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
struct f_audio *audio = func_to_audio(f);
int status;
struct usb_ep *ep = NULL;
#ifndef USBF_UAC1_INCLUDED
struct f_uac1_opts *audio_opts;
audio_opts = container_of(f->fi, struct f_uac1_opts, func_inst);
@ -702,17 +678,10 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
return status;
audio_opts->bound = true;
}
#else
audio->card.gadget = c->cdev->gadget;
#endif
if (strings_uac1[0].id == 0) {
status = usb_string_ids_tab(c->cdev, strings_uac1);
if (status < 0)
#ifdef USBF_UAC1_INCLUDED
return status;
#else
goto fail;
#endif
ac_interface_desc.iInterface = strings_uac1[STR_AC_IF].id;
input_terminal_desc.iTerminal =
strings_uac1[STR_INPUT_TERMINAL].id;
@ -760,25 +729,12 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
return 0;
fail:
#ifndef USBF_UAC1_INCLUDED
gaudio_cleanup(&audio->card);
#endif
if (ep)
ep->driver_data = NULL;
return status;
}
#ifdef USBF_UAC1_INCLUDED
static void
old_f_audio_unbind(struct usb_configuration *c, struct usb_function *f)
{
struct f_audio *audio = func_to_audio(f);
usb_free_all_descriptors(f);
kfree(audio);
}
#endif
/*-------------------------------------------------------------------------*/
static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value)
@ -811,61 +767,6 @@ static int control_selector_init(struct f_audio *audio)
return 0;
}
#ifdef USBF_UAC1_INCLUDED
/**
* audio_bind_config - add USB audio function to a configuration
* @c: the configuration to supcard the USB audio function
* Context: single threaded during gadget setup
*
* Returns zero on success, else negative errno.
*/
static int __init audio_bind_config(struct usb_configuration *c)
{
struct f_audio *audio;
int status;
/* allocate and initialize one new instance */
audio = kzalloc(sizeof *audio, GFP_KERNEL);
if (!audio)
return -ENOMEM;
audio->card.func.name = "g_audio";
audio->card.gadget = c->cdev->gadget;
INIT_LIST_HEAD(&audio->play_queue);
spin_lock_init(&audio->lock);
/* set up ASLA audio devices */
status = gaudio_setup(&audio->card);
if (status < 0)
goto setup_fail;
audio->card.func.strings = uac1_strings;
audio->card.func.bind = f_audio_bind;
audio->card.func.unbind = old_f_audio_unbind;
audio->card.func.set_alt = f_audio_set_alt;
audio->card.func.setup = f_audio_setup;
audio->card.func.disable = f_audio_disable;
control_selector_init(audio);
INIT_WORK(&audio->playback_work, f_audio_playback_work);
status = usb_add_function(c, &audio->card.func);
if (status)
goto add_fail;
INFO(c->cdev, "audio_buf_size %d, req_buf_size %d, req_count %d\n",
audio_buf_size, req_buf_size, req_count);
return status;
add_fail:
gaudio_cleanup();
setup_fail:
kfree(audio);
return status;
}
#else
static void f_audio_free_inst(struct usb_function_instance *f)
{
struct f_uac1_opts *opts;
@ -932,4 +833,3 @@ static struct usb_function *f_audio_alloc(struct usb_function_instance *fi)
DECLARE_USB_FUNCTION_INIT(uac1, f_audio_alloc_inst, f_audio_alloc);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Bryan Wu");
#endif

View File

@ -24,23 +24,6 @@
* This component encapsulates the ALSA devices for USB audio gadget
*/
#ifdef USBF_UAC1_INCLUDED
#define FILE_PCM_PLAYBACK "/dev/snd/pcmC0D0p"
#define FILE_PCM_CAPTURE "/dev/snd/pcmC0D0c"
#define FILE_CONTROL "/dev/snd/controlC0"
static char *fn_play = FILE_PCM_PLAYBACK;
module_param(fn_play, charp, S_IRUGO);
MODULE_PARM_DESC(fn_play, "Playback PCM device file name");
static char *fn_cap = FILE_PCM_CAPTURE;
module_param(fn_cap, charp, S_IRUGO);
MODULE_PARM_DESC(fn_cap, "Capture PCM device file name");
static char *fn_cntl = FILE_CONTROL;
module_param(fn_cntl, charp, S_IRUGO);
MODULE_PARM_DESC(fn_cntl, "Control device file name");
#endif
/*-------------------------------------------------------------------------*/
/**
@ -222,7 +205,6 @@ static int gaudio_open_snd_dev(struct gaudio *card)
{
struct snd_pcm_file *pcm_file;
struct gaudio_snd_dev *snd;
#ifndef USBF_UAC1_INCLUDED
struct f_uac1_opts *opts;
char *fn_play, *fn_cap, *fn_cntl;
@ -230,7 +212,6 @@ static int gaudio_open_snd_dev(struct gaudio *card)
fn_play = opts->fn_play;
fn_cap = opts->fn_cap;
fn_cntl = opts->fn_cntl;
#endif
if (!card)
return -ENODEV;
@ -304,9 +285,6 @@ static int gaudio_close_snd_dev(struct gaudio *gau)
return 0;
}
#ifdef USBF_UAC1_INCLUDED
static struct gaudio *the_card;
#endif
/**
* gaudio_setup - setup ALSA interface and preparing for USB transfer
*
@ -321,10 +299,6 @@ int gaudio_setup(struct gaudio *card)
ret = gaudio_open_snd_dev(card);
if (ret)
ERROR(card, "we need at least one control device\n");
#ifdef USBF_UAC1_INCLUDED
else if (!the_card)
the_card = card;
#endif
return ret;
@ -335,17 +309,10 @@ int gaudio_setup(struct gaudio *card)
*
* This is called to free all resources allocated by @gaudio_setup().
*/
#ifdef USBF_UAC1_INCLUDED
void gaudio_cleanup(void)
#else
void gaudio_cleanup(struct gaudio *the_card)
#endif
{
if (the_card) {
gaudio_close_snd_dev(the_card);
#ifdef USBF_UAC1_INCLUDED
the_card = NULL;
#endif
}
}

View File

@ -63,11 +63,7 @@ struct f_uac1_opts {
};
int gaudio_setup(struct gaudio *card);
#ifdef USBF_UAC1_INCLUDED
void gaudio_cleanup(void);
#else
void gaudio_cleanup(struct gaudio *the_card);
#endif
size_t u_audio_playback(struct gaudio *card, void *buf, size_t count);
int u_audio_get_playback_channels(struct gaudio *card);