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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
Felipe Balbi
parent
0d992dec96
commit
605ef833f0
@ -16,24 +16,8 @@
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#include <linux/atomic.h>
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#include "u_uac1.h"
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#ifdef USBF_UAC1_INCLUDED
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#include "u_uac1.c"
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#endif
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#define OUT_EP_MAX_PACKET_SIZE 200
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#ifdef USBF_UAC1_INCLUDED
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static int req_buf_size = OUT_EP_MAX_PACKET_SIZE;
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module_param(req_buf_size, int, S_IRUGO);
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MODULE_PARM_DESC(req_buf_size, "ISO OUT endpoint request buffer size");
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static int req_count = 256;
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module_param(req_count, int, S_IRUGO);
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MODULE_PARM_DESC(req_count, "ISO OUT endpoint request count");
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static int audio_buf_size = 48000;
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module_param(audio_buf_size, int, S_IRUGO);
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MODULE_PARM_DESC(audio_buf_size, "Audio buffer size");
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#endif
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static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value);
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static int generic_get_cmd(struct usb_audio_control *con, u8 cmd);
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@ -337,17 +321,14 @@ static int f_audio_out_ep_complete(struct usb_ep *ep, struct usb_request *req)
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struct f_audio *audio = req->context;
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struct usb_composite_dev *cdev = audio->card.func.config->cdev;
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struct f_audio_buf *copy_buf = audio->copy_buf;
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#ifndef USBF_UAC1_INCLUDED
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struct f_uac1_opts *opts;
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int audio_buf_size;
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#endif
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int err;
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#ifndef USBF_UAC1_INCLUDED
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opts = container_of(audio->card.func.fi, struct f_uac1_opts,
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func_inst);
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audio_buf_size = opts->audio_buf_size;
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#endif
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if (!copy_buf)
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return -EINVAL;
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@ -592,21 +573,17 @@ static int f_audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
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struct usb_composite_dev *cdev = f->config->cdev;
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struct usb_ep *out_ep = audio->out_ep;
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struct usb_request *req;
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#ifndef USBF_UAC1_INCLUDED
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struct f_uac1_opts *opts;
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int req_buf_size, req_count, audio_buf_size;
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#endif
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int i = 0, err = 0;
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DBG(cdev, "intf %d, alt %d\n", intf, alt);
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#ifndef USBF_UAC1_INCLUDED
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opts = container_of(f->fi, struct f_uac1_opts, func_inst);
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req_buf_size = opts->req_buf_size;
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req_count = opts->req_count;
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audio_buf_size = opts->audio_buf_size;
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#endif
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if (intf == 1) {
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if (alt == 1) {
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usb_ep_enable(out_ep);
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@ -689,7 +666,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
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struct f_audio *audio = func_to_audio(f);
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int status;
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struct usb_ep *ep = NULL;
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#ifndef USBF_UAC1_INCLUDED
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struct f_uac1_opts *audio_opts;
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audio_opts = container_of(f->fi, struct f_uac1_opts, func_inst);
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@ -702,17 +678,10 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
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return status;
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audio_opts->bound = true;
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}
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#else
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audio->card.gadget = c->cdev->gadget;
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#endif
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if (strings_uac1[0].id == 0) {
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status = usb_string_ids_tab(c->cdev, strings_uac1);
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if (status < 0)
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#ifdef USBF_UAC1_INCLUDED
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return status;
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#else
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goto fail;
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#endif
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ac_interface_desc.iInterface = strings_uac1[STR_AC_IF].id;
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input_terminal_desc.iTerminal =
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strings_uac1[STR_INPUT_TERMINAL].id;
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@ -760,25 +729,12 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
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return 0;
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fail:
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#ifndef USBF_UAC1_INCLUDED
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gaudio_cleanup(&audio->card);
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#endif
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if (ep)
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ep->driver_data = NULL;
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return status;
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}
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#ifdef USBF_UAC1_INCLUDED
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static void
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old_f_audio_unbind(struct usb_configuration *c, struct usb_function *f)
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{
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struct f_audio *audio = func_to_audio(f);
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usb_free_all_descriptors(f);
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kfree(audio);
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}
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#endif
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/*-------------------------------------------------------------------------*/
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static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value)
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@ -811,61 +767,6 @@ static int control_selector_init(struct f_audio *audio)
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return 0;
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}
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#ifdef USBF_UAC1_INCLUDED
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/**
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* audio_bind_config - add USB audio function to a configuration
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* @c: the configuration to supcard the USB audio function
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* Context: single threaded during gadget setup
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*
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* Returns zero on success, else negative errno.
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*/
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static int __init audio_bind_config(struct usb_configuration *c)
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{
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struct f_audio *audio;
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int status;
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/* allocate and initialize one new instance */
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audio = kzalloc(sizeof *audio, GFP_KERNEL);
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if (!audio)
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return -ENOMEM;
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audio->card.func.name = "g_audio";
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audio->card.gadget = c->cdev->gadget;
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INIT_LIST_HEAD(&audio->play_queue);
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spin_lock_init(&audio->lock);
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/* set up ASLA audio devices */
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status = gaudio_setup(&audio->card);
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if (status < 0)
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goto setup_fail;
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audio->card.func.strings = uac1_strings;
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audio->card.func.bind = f_audio_bind;
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audio->card.func.unbind = old_f_audio_unbind;
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audio->card.func.set_alt = f_audio_set_alt;
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audio->card.func.setup = f_audio_setup;
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audio->card.func.disable = f_audio_disable;
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control_selector_init(audio);
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INIT_WORK(&audio->playback_work, f_audio_playback_work);
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status = usb_add_function(c, &audio->card.func);
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if (status)
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goto add_fail;
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INFO(c->cdev, "audio_buf_size %d, req_buf_size %d, req_count %d\n",
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audio_buf_size, req_buf_size, req_count);
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return status;
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add_fail:
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gaudio_cleanup();
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setup_fail:
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kfree(audio);
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return status;
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}
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#else
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static void f_audio_free_inst(struct usb_function_instance *f)
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{
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struct f_uac1_opts *opts;
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@ -932,4 +833,3 @@ static struct usb_function *f_audio_alloc(struct usb_function_instance *fi)
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DECLARE_USB_FUNCTION_INIT(uac1, f_audio_alloc_inst, f_audio_alloc);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Bryan Wu");
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#endif
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@ -24,23 +24,6 @@
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* This component encapsulates the ALSA devices for USB audio gadget
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*/
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#ifdef USBF_UAC1_INCLUDED
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#define FILE_PCM_PLAYBACK "/dev/snd/pcmC0D0p"
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#define FILE_PCM_CAPTURE "/dev/snd/pcmC0D0c"
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#define FILE_CONTROL "/dev/snd/controlC0"
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static char *fn_play = FILE_PCM_PLAYBACK;
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module_param(fn_play, charp, S_IRUGO);
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MODULE_PARM_DESC(fn_play, "Playback PCM device file name");
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static char *fn_cap = FILE_PCM_CAPTURE;
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module_param(fn_cap, charp, S_IRUGO);
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MODULE_PARM_DESC(fn_cap, "Capture PCM device file name");
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static char *fn_cntl = FILE_CONTROL;
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module_param(fn_cntl, charp, S_IRUGO);
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MODULE_PARM_DESC(fn_cntl, "Control device file name");
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#endif
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/*-------------------------------------------------------------------------*/
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/**
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@ -222,7 +205,6 @@ static int gaudio_open_snd_dev(struct gaudio *card)
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{
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struct snd_pcm_file *pcm_file;
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struct gaudio_snd_dev *snd;
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#ifndef USBF_UAC1_INCLUDED
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struct f_uac1_opts *opts;
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char *fn_play, *fn_cap, *fn_cntl;
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@ -230,7 +212,6 @@ static int gaudio_open_snd_dev(struct gaudio *card)
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fn_play = opts->fn_play;
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fn_cap = opts->fn_cap;
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fn_cntl = opts->fn_cntl;
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#endif
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if (!card)
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return -ENODEV;
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@ -304,9 +285,6 @@ static int gaudio_close_snd_dev(struct gaudio *gau)
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return 0;
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}
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#ifdef USBF_UAC1_INCLUDED
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static struct gaudio *the_card;
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#endif
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/**
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* gaudio_setup - setup ALSA interface and preparing for USB transfer
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*
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@ -321,10 +299,6 @@ int gaudio_setup(struct gaudio *card)
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ret = gaudio_open_snd_dev(card);
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if (ret)
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ERROR(card, "we need at least one control device\n");
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#ifdef USBF_UAC1_INCLUDED
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else if (!the_card)
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the_card = card;
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#endif
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return ret;
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@ -335,17 +309,10 @@ int gaudio_setup(struct gaudio *card)
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*
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* This is called to free all resources allocated by @gaudio_setup().
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*/
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#ifdef USBF_UAC1_INCLUDED
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void gaudio_cleanup(void)
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#else
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void gaudio_cleanup(struct gaudio *the_card)
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#endif
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{
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if (the_card) {
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gaudio_close_snd_dev(the_card);
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#ifdef USBF_UAC1_INCLUDED
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the_card = NULL;
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#endif
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}
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}
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@ -63,11 +63,7 @@ struct f_uac1_opts {
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};
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int gaudio_setup(struct gaudio *card);
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#ifdef USBF_UAC1_INCLUDED
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void gaudio_cleanup(void);
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#else
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void gaudio_cleanup(struct gaudio *the_card);
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#endif
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size_t u_audio_playback(struct gaudio *card, void *buf, size_t count);
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int u_audio_get_playback_channels(struct gaudio *card);
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