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da607e1969
Based on 1 normalized pattern(s): licensed under the terms of the gnu general public license version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 88 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000437.521539229@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* oxfw_proc.c - a part of driver for OXFW970/971 based devices
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*
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* Copyright (c) 2014 Takashi Sakamoto
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*/
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#include "./oxfw.h"
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static void proc_read_formation(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_oxfw *oxfw = entry->private_data;
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struct snd_oxfw_stream_formation formation, curr;
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u8 *format;
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char flag;
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int i, err;
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/* Show input. */
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err = snd_oxfw_stream_get_current_formation(oxfw,
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AVC_GENERAL_PLUG_DIR_IN,
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&curr);
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if (err < 0)
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return;
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snd_iprintf(buffer, "Input Stream to device:\n");
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snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n");
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for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
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format = oxfw->rx_stream_formats[i];
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if (format == NULL)
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continue;
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err = snd_oxfw_stream_parse_format(format, &formation);
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if (err < 0)
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continue;
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if (memcmp(&formation, &curr, sizeof(curr)) == 0)
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flag = '*';
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else
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flag = ' ';
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snd_iprintf(buffer, "%c\t%d\t%d\t%d\n", flag,
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formation.rate, formation.pcm, formation.midi);
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}
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if (!oxfw->has_output)
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return;
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/* Show output. */
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err = snd_oxfw_stream_get_current_formation(oxfw,
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AVC_GENERAL_PLUG_DIR_OUT,
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&curr);
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if (err < 0)
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return;
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snd_iprintf(buffer, "Output Stream from device:\n");
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snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n");
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for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
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format = oxfw->tx_stream_formats[i];
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if (format == NULL)
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continue;
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err = snd_oxfw_stream_parse_format(format, &formation);
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if (err < 0)
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continue;
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if (memcmp(&formation, &curr, sizeof(curr)) == 0)
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flag = '*';
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else
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flag = ' ';
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snd_iprintf(buffer, "%c\t%d\t%d\t%d\n", flag,
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formation.rate, formation.pcm, formation.midi);
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}
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}
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static void add_node(struct snd_oxfw *oxfw, struct snd_info_entry *root,
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const char *name,
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void (*op)(struct snd_info_entry *e,
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struct snd_info_buffer *b))
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{
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struct snd_info_entry *entry;
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entry = snd_info_create_card_entry(oxfw->card, name, root);
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if (entry)
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snd_info_set_text_ops(entry, oxfw, op);
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}
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void snd_oxfw_proc_init(struct snd_oxfw *oxfw)
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{
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struct snd_info_entry *root;
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/*
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* All nodes are automatically removed at snd_card_disconnect(),
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* by following to link list.
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*/
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root = snd_info_create_card_entry(oxfw->card, "firewire",
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oxfw->card->proc_root);
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if (root == NULL)
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return;
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root->mode = S_IFDIR | 0555;
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add_node(oxfw, root, "formation", proc_read_formation);
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}
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