void pvr2_channel_done(struct pvr2_channel *cp) { struct pvr2_context *mp = cp->mc_head; pvr2_channel_disclaim_stream(cp); if (cp->mc_next) { cp->mc_next->mc_prev = cp->mc_prev; } else { mp->mc_last = cp->mc_prev; } if (cp->mc_prev) { cp->mc_prev->mc_next = cp->mc_next; } else { mp->mc_first = cp->mc_next; } cp->hdw = NULL; }
int pvr2_channel_claim_stream(struct pvr2_channel *cp, struct pvr2_context_stream *sp) { int code = 0; pvr2_context_enter(cp->mc_head); do { if (sp == cp->stream) break; if (sp->user) { code = -EBUSY; break; } pvr2_channel_disclaim_stream(cp); if (!sp) break; sp->user = cp; cp->stream = sp; } while (0); pvr2_context_exit(cp->mc_head); return code; }
void pvr2_channel_done(struct pvr2_channel *cp) { struct pvr2_context *mp = cp->mc_head; pvr2_context_enter(mp); cp->input_mask = 0; pvr2_channel_disclaim_stream(cp); pvr2_context_reset_input_limits(mp); if (cp->mc_next) { cp->mc_next->mc_prev = cp->mc_prev; } else { mp->mc_last = cp->mc_prev; } if (cp->mc_prev) { cp->mc_prev->mc_next = cp->mc_next; } else { mp->mc_first = cp->mc_next; } cp->hdw = NULL; pvr2_context_exit(mp); }