/* * digi00x-proc.c - a part of driver for Digidesign Digi 002/003 family * * Copyright (c) 2014-2015 Takashi Sakamoto * * Licensed under the terms of the GNU General Public License, version 2. */ #include "digi00x.h" static int get_optical_iface_mode(struct snd_dg00x *dg00x, enum snd_dg00x_optical_mode *mode) { __be32 data; int err; err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST, DG00X_ADDR_BASE + DG00X_OFFSET_OPT_IFACE_MODE, &data, sizeof(data), 0); if (err >= 0) *mode = be32_to_cpu(data) & 0x01; return err; } static void proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buf) { static const char *const source_name[] = { [SND_DG00X_CLOCK_INTERNAL] = "internal", [SND_DG00X_CLOCK_SPDIF] = "s/pdif", [SND_DG00X_CLOCK_ADAT] = "adat", [SND_DG00X_CLOCK_WORD] = "word clock", }; static const char *const optical_name[] = { [SND_DG00X_OPT_IFACE_MODE_ADAT] = "adat", [SND_DG00X_OPT_IFACE_MODE_SPDIF] = "s/pdif", }; struct snd_dg00x *dg00x = entry->private_data; enum snd_dg00x_optical_mode mode; unsigned int rate; enum snd_dg00x_clock clock; bool detect; if (get_optical_iface_mode(dg00x, &mode) < 0) return; if (snd_dg00x_stream_get_local_rate(dg00x, &rate) < 0) return; if (snd_dg00x_stream_get_clock(dg00x, &clock) < 0) return; snd_iprintf(buf, "Optical mode: %s\n", optical_name[mode]); snd_iprintf(buf, "Sampling Rate: %d\n", rate); snd_iprintf(buf, "Clock Source: %s\n", source_name[clock]); if (clock == SND_DG00X_CLOCK_INTERNAL) return; if (snd_dg00x_stream_check_external_clock(dg00x, &detect) < 0) return; snd_iprintf(buf, "External source: %s\n", detect ? "detected" : "not"); if (!detect) return; if (snd_dg00x_stream_get_external_rate(dg00x, &rate) >= 0) snd_iprintf(buf, "External sampling rate: %d\n", rate); } void snd_dg00x_proc_init(struct snd_dg00x *dg00x) { struct snd_info_entry *root, *entry; /* * All nodes are automatically removed at snd_card_disconnect(), * by following to link list. */ root = snd_info_create_card_entry(dg00x->card, "firewire", dg00x->card->proc_root); if (root == NULL) return; root->mode = S_IFDIR | S_IRUGO | S_IXUGO; if (snd_info_register(root) < 0) { snd_info_free_entry(root); return; } entry = snd_info_create_card_entry(dg00x->card, "clock", root); if (entry == NULL) { snd_info_free_entry(root); return; } snd_info_set_text_ops(entry, dg00x, proc_read_clock); if (snd_info_register(entry) < 0) { snd_info_free_entry(entry); snd_info_free_entry(root); } } 803328cbab64ae60fa98e1394d07a6d'/>
path: root/drivers/usb/gadget/configfs.c
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-09 11:58:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-09 11:58:05 -0800
commit99378fd26803328cbab64ae60fa98e1394d07a6d (patch)
tree1ab2771c56963fec8669ac87c7058c84345365c4 /drivers/usb/gadget/configfs.c
parent189addce85330208bea50ea7f1483b58822e93cf (diff)
parent413d37326700aaf708730b940b04192c36e13ef4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov: "A fix for a crash in uinput, and a fix for build errors when HID-RMI is built-in but SERIO is a module" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics-rmi4 - select 'SERIO' when needed Input: uinput - fix crash when mixing old and new init style
Diffstat (limited to 'drivers/usb/gadget/configfs.c')