forked from Minki/linux
ed1812c44c
The "entry" pointer is always non-NULL so this test for out of bounds
won't work.
Fixes: f1f0f330b1 ("ALSA: dice: add parameters of stream formats for models produced by TC Electronic")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* dice-tc_electronic.c - a part of driver for DICE based devices
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*
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* Copyright (c) 2018 Takashi Sakamoto
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*/
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#include "dice.h"
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struct dice_tc_spec {
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unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
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unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
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bool has_midi;
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};
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static const struct dice_tc_spec desktop_konnekt6 = {
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.tx_pcm_chs = {{6, 6, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{6, 6, 4}, {0, 0, 0} },
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.has_midi = false,
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};
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static const struct dice_tc_spec impact_twin = {
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.tx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
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.rx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
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.has_midi = true,
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};
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static const struct dice_tc_spec konnekt_8 = {
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.tx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
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.rx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
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.has_midi = true,
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};
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static const struct dice_tc_spec konnekt_24d = {
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.tx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
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.rx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
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.has_midi = true,
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};
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static const struct dice_tc_spec konnekt_live = {
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.tx_pcm_chs = {{16, 16, 16}, {0, 0, 0} },
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.rx_pcm_chs = {{16, 16, 16}, {0, 0, 0} },
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.has_midi = true,
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};
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static const struct dice_tc_spec studio_konnekt_48 = {
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.tx_pcm_chs = {{16, 16, 16}, {16, 16, 0} },
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.rx_pcm_chs = {{16, 16, 16}, {16, 16, 0} },
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.has_midi = true,
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};
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int snd_dice_detect_tcelectronic_formats(struct snd_dice *dice)
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{
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static const struct {
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u32 model_id;
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const struct dice_tc_spec *spec;
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} *entry, entries[] = {
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{0x00000020, &konnekt_24d},
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{0x00000021, &konnekt_8},
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{0x00000022, &studio_konnekt_48},
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{0x00000023, &konnekt_live},
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{0x00000024, &desktop_konnekt6},
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{0x00000027, &impact_twin},
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};
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struct fw_csr_iterator it;
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int key, val, model_id;
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int i;
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model_id = 0;
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fw_csr_iterator_init(&it, dice->unit->directory);
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while (fw_csr_iterator_next(&it, &key, &val)) {
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if (key == CSR_MODEL) {
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model_id = val;
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break;
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}
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}
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for (i = 0; i < ARRAY_SIZE(entries); ++i) {
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entry = entries + i;
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if (entry->model_id == model_id)
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break;
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}
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if (i == ARRAY_SIZE(entries))
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return -ENODEV;
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memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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for (i = 0; i < MAX_STREAMS; ++i) {
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if (entry->spec->has_midi) {
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dice->tx_midi_ports[i] = 1;
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dice->rx_midi_ports[i] = 1;
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}
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}
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return 0;
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}
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