audio: don't use 'Yoda conditions'
imitate nearby code about using '!value' or 'value == NULL' Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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@ -212,7 +212,7 @@ static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
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pos += copied;
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}
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if (0 == ((mode >> 4) & 1)) {
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if (((mode >> 4) & 1) == 0) {
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DMA_release_DREQ (s->emu.gusdma);
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}
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return dma_len;
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@ -489,8 +489,9 @@ static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
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for (i = 0; i < a->desc->nnodes; i++) {
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node = a->desc->nodes + i;
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param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
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if (NULL == param)
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if (param == NULL) {
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continue;
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}
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type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
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switch (type) {
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case AC_WID_AUD_OUT:
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@ -928,7 +928,7 @@ static IO_WRITE_PROTO (dsp_write)
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/* if (s->highspeed) */
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/* break; */
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if (0 == s->needed_bytes) {
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if (s->needed_bytes == 0) {
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command (s, val);
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#if 0
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if (0 == s->needed_bytes) {
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@ -1212,7 +1212,7 @@ static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
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#endif
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if (till <= copy) {
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if (0 == s->dma_auto) {
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if (s->dma_auto == 0) {
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copy = till;
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}
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}
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@ -1224,7 +1224,7 @@ static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
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if (s->left_till_irq <= 0) {
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s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1;
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qemu_irq_raise (s->pic);
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if (0 == s->dma_auto) {
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if (s->dma_auto == 0) {
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control (s, 0);
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speaker (s, 0);
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}
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