Messages in this thread Patch in this message |  | | From | Heiko Eissfeldt <> | Subject | scsi cdrom multisession patches | Date | Sun, 28 Jul 1996 15:48:49 +0200 (MEST) |
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Hi dear Linuxers,
here are some patches for correct multisession detection for toshiba and plextor compatible scsi cdroms.
Cheers, Heiko
--- drivers/scsi/sr.c.or Mon Jun 10 11:08:26 1996 +++ drivers/scsi/sr.c Sat Jul 27 17:57:07 1996 @@ -485,12 +485,12 @@ printk(KERN_WARNING"sr_photocd: ioctl error (TOSHIBA #1): 0x%x\n",rc); break; /* if the first ioctl fails, we don't call the second one */ } - is_xa = (rec[0] == 0x20); min = (unsigned long) rec[1]/16*10 + (unsigned long) rec[1]%16; sec = (unsigned long) rec[2]/16*10 + (unsigned long) rec[2]%16; frame = (unsigned long) rec[3]/16*10 + (unsigned long) rec[3]%16; sector = min*CD_SECS*CD_FRAMES + sec*CD_FRAMES + frame; + is_xa = (rec[0] == 0x20) || sector; if (sector) { sector -= CD_BLOCK_OFFSET; #ifdef DEBUG @@ -566,11 +573,11 @@ break; } sector = rec[11] + (rec[10] << 8) + (rec[9] << 16) + (rec[8] << 24); + if (rec[6] <= 1) { + sector = 0; /* ignore sector offsets from first track */ + } is_xa = !!sector; #ifdef DEBUG if (sector)
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