On Tue, Oct 14, 2008 at 8:53 AM, Tejun Heo <tj@xxxxxxxxxx> wrote: > Nick Warne wrote: >> /messages >> Oct 5 11:54:13 sauron kernel: ata5: PATA max UDMA/133 cmd 0x1f0 ctl >> 0x3f6 bmdma 0xf400 irq 14 >> Oct 5 11:54:13 sauron kernel: ata6: PATA max >> UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xf408 irq 15 >> Oct 5 11:54:13 sauron kernel: ata5.00: ATAPI: TSSTcorp CDDVDW >> SH-S202J, SB00, max UDMA/66 >> Oct 5 11:54:13 sauron kernel: ata5.01: ATAPI: Optiarc DVD RW AD-7200A, >> 1.06, max UDMA/66 >> Oct 5 11:54:13 sauron kernel: ata5.00: configured for UDMA/66 >> Oct 5 11:54:13 sauron kernel: ata5.01: configured for >> UDMA/66 >> >> /syslog >> Oct 5 11:54:13 sauron kernel: sr0: scsi3-mmc drive: 48x/48x writer >> dvd-ram cd/rw xa/form2 cdda tray >> Oct 5 11:54:13 sauron kernel: sr1: >> scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray >> >> /proc/sys/dev/cdrom/info >> >> drive name: sr1 sr0 >> drive speed: 48 48 >> drive # of slots: 1 1 >> Can close tray: 1 1 >> Can open tray: 1 1 >> Can lock tray: 1 1 >> Can change speed: 1 1 >> Can select disk: 0 0 >> Can read multisession: 1 1 >> Can read MCN: 1 1 >> Reports media changed: 1 1 >> Can play audio: 1 1 >> Can write CD-R: 1 1 >> Can write CD-RW: 1 1 >> Can read DVD: 1 1 >> Can write DVD-R: 1 1 >> Can write DVD-RAM: 1 1 >> Can read MRW: 1 1 >> Can write MRW: 1 1 >> Can write RAM: 1 1 > > Thanks. sr.c just doesn't check whether the drive reports audio play > capability or not. It just sets it while ide-cd actually checks for > the capability. The drive is not reporting it while it can so ide-cd > needs blacklist entry for it. Now that idecd has blacklist entry, all > should be fine. Eh... I'm not sure whether we need to update sr to > follow what ide-cd is doing or not. > > Thanks. Actually, as I already pointed out, I'm not at all happy with blacklisting stuff. What sounds more sane to me (and this is only me) would be what sr.c does: assume that per se the drive can play audio and try to play it. But how many drives are there that cannot play audio, aka, would it be a safe assumption to say that their number is so diminishingly small that it would be better to announce that a drive can play audio by default and fail graciously in the _very_ seldom case it actually cannot ... -- Regards/Gruss, Boris -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
