diff options
Diffstat (limited to 'drivers/usb/gadget/function/f_uac1.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_uac1.c | 43 |
1 files changed, 16 insertions, 27 deletions
diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 7856b3394..6a2346b99 100644 --- a/drivers/usb/gadget/function/f_uac1.c +++ b/drivers/usb/gadget/function/f_uac1.c @@ -593,7 +593,6 @@ static int f_audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt) return err; usb_ep_enable(out_ep); - out_ep->driver_data = audio; audio->copy_buf = f_audio_buffer_alloc(audio_buf_size); if (IS_ERR(audio->copy_buf)) return -ENOMEM; @@ -718,7 +717,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f) goto fail; audio->out_ep = ep; audio->out_ep->desc = &as_out_ep_desc; - ep->driver_data = cdev; /* claim */ status = -ENOMEM; @@ -730,8 +728,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f) fail: gaudio_cleanup(&audio->card); - if (ep) - ep->driver_data = NULL; return status; } @@ -773,9 +769,6 @@ static inline struct f_uac1_opts *to_f_uac1_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_uac1_opts); -CONFIGFS_ATTR_OPS(f_uac1_opts); - static void f_uac1_attr_release(struct config_item *item) { struct f_uac1_opts *opts = to_f_uac1_opts(item); @@ -785,14 +778,13 @@ static void f_uac1_attr_release(struct config_item *item) static struct configfs_item_operations f_uac1_item_ops = { .release = f_uac1_attr_release, - .show_attribute = f_uac1_opts_attr_show, - .store_attribute = f_uac1_opts_attr_store, }; #define UAC1_INT_ATTRIBUTE(name) \ -static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -802,9 +794,10 @@ static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac1_opts_##name##_store(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret; \ u32 num; \ \ @@ -826,19 +819,17 @@ end: \ return ret; \ } \ \ -static struct f_uac1_opts_attribute f_uac1_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac1_opts_##name##_show, \ - f_uac1_opts_##name##_store) +CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_INT_ATTRIBUTE(req_buf_size); UAC1_INT_ATTRIBUTE(req_count); UAC1_INT_ATTRIBUTE(audio_buf_size); #define UAC1_STR_ATTRIBUTE(name) \ -static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -848,9 +839,10 @@ static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac1_opts_##name##_store(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret = -EBUSY; \ char *tmp; \ \ @@ -874,22 +866,19 @@ end: \ return ret; \ } \ \ -static struct f_uac1_opts_attribute f_uac1_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac1_opts_##name##_show, \ - f_uac1_opts_##name##_store) +CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_STR_ATTRIBUTE(fn_play); UAC1_STR_ATTRIBUTE(fn_cap); UAC1_STR_ATTRIBUTE(fn_cntl); static struct configfs_attribute *f_uac1_attrs[] = { - &f_uac1_opts_req_buf_size.attr, - &f_uac1_opts_req_count.attr, - &f_uac1_opts_audio_buf_size.attr, - &f_uac1_opts_fn_play.attr, - &f_uac1_opts_fn_cap.attr, - &f_uac1_opts_fn_cntl.attr, + &f_uac1_opts_attr_req_buf_size, + &f_uac1_opts_attr_req_count, + &f_uac1_opts_attr_audio_buf_size, + &f_uac1_opts_attr_fn_play, + &f_uac1_opts_attr_fn_cap, + &f_uac1_opts_attr_fn_cntl, NULL, }; |