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Workaround for Pioneer DVR-216D refusal to eject

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This commit is contained in:
Thomas Schmitt
2009-11-12 17:56:18 +00:00
parent 0f37170759
commit 9160b1dcbb
4 changed files with 35 additions and 29 deletions
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45
libburn/sbc.c
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@ -31,11 +31,6 @@ void sbc_load(struct burn_drive *d)
return;
scsi_init_command(&c, SBC_LOAD, sizeof(SBC_LOAD));
/*
memcpy(c.opcode, SBC_LOAD, sizeof(SBC_LOAD));
c.oplen = sizeof(SBC_LOAD);
c.page = NULL;
*/
c.retry = 1;
/* ts A70921 : Had to revoke Immed because of LG GSA-4082B */
@ -59,14 +54,7 @@ void sbc_eject(struct burn_drive *d)
return;
scsi_init_command(&c, SBC_UNLOAD, sizeof(SBC_UNLOAD));
/*
memcpy(c.opcode, SBC_UNLOAD, sizeof(SBC_UNLOAD));
c.oplen = sizeof(SBC_UNLOAD);
c.page = NULL;
*/
c.opcode[1] |= 1; /* ts A70918 : Immed */
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
@ -76,8 +64,11 @@ void sbc_eject(struct burn_drive *d)
spc_wait_unit_attention(d, 1800, "STOP UNIT (+ EJECT)", 0);
}
/* ts A61118 : is it necessary to tell the drive to get ready for use ? */
int sbc_start_unit(struct burn_drive *d)
/* ts A91112 : Now with flag */
/* @param flag bit0= asynchronous waiting
*/
int sbc_start_unit_flag(struct burn_drive *d, int flag)
{
struct command c;
int ret;
@ -87,17 +78,37 @@ int sbc_start_unit(struct burn_drive *d)
scsi_init_command(&c, SBC_START_UNIT, sizeof(SBC_START_UNIT));
c.retry = 1;
c.opcode[1] |= 1; /* ts A70918 : Immed */
c.opcode[1] |= (flag & 1); /* ts A70918 : Immed */
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
if (c.error)
return 0;
/* ts A70918 : now asynchronous */
d->is_stopped = 0;
if (!(flag & 1))
return 1;
/* ts A70918 : asynchronous */
ret = spc_wait_unit_attention(d, 1800, "START UNIT", 0);
return ret;
}
int sbc_start_unit(struct burn_drive *d)
{
int ret;
d->is_stopped = 0; /* no endless starting attempts */
/* Asynchronous, not to block controller by waiting */
ret = sbc_start_unit_flag(d, 1);
if (ret <= 0)
return ret;
/* Synchronous to catch Pioneer DVD-216D which is ready too early.
A pending START UNIT can prevent ejecting of the tray.
*/
ret = sbc_start_unit_flag(d, 0);
return ret;
}
/* ts A90824 : Trying to reduce drive noise */
int sbc_stop_unit(struct burn_drive *d)
{