/* * 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); } } 5fef8556f1da7f903fd1908feed84bb0f90d'/>
path: root/drivers/usb/misc/legousbtower.c
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authorAxel Lin <axel.lin@ingics.com>2016-10-21 16:40:05 +0800
committerMark Brown <broonie@kernel.org>2016-10-24 17:49:14 +0100
commite98d5fef8556f1da7f903fd1908feed84bb0f90d (patch)
tree95a1268df894d6150ee31f5e97cbcb0c0ab32cc4 /drivers/usb/misc/legousbtower.c
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: tps6507x: Drop pointless static qualifier for *reg_data variable
There is no need to use static for this local variable. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/usb/misc/legousbtower.c')