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ALSA: firewire-lib: add helper function to cancel context inner callback handler
In callback handler of isochronous context for both direction, there're common codes to cancel context. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -707,6 +707,14 @@ static inline u32 increment_cycle_count(u32 cycle, unsigned int addend)
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return cycle;
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}
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static inline void cancel_stream(struct amdtp_stream *s)
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{
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s->packet_index = -1;
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if (in_interrupt())
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amdtp_stream_pcm_abort(s);
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WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN);
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}
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static void out_stream_callback(struct fw_iso_context *context, u32 tstamp,
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size_t header_length, void *header,
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void *private_data)
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@ -726,10 +734,7 @@ static void out_stream_callback(struct fw_iso_context *context, u32 tstamp,
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for (i = 0; i < packets; ++i) {
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cycle = increment_cycle_count(cycle, 1);
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if (s->handle_packet(s, 0, cycle, i) < 0) {
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s->packet_index = -1;
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if (in_interrupt())
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amdtp_stream_pcm_abort(s);
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WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN);
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cancel_stream(s);
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return;
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}
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}
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@ -779,10 +784,7 @@ static void in_stream_callback(struct fw_iso_context *context, u32 tstamp,
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/* Queueing error or detecting invalid payload. */
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if (i < packets) {
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s->packet_index = -1;
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if (in_interrupt())
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amdtp_stream_pcm_abort(s);
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WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN);
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cancel_stream(s);
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return;
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}
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