On za, 2013-12-14 at 09:24 -0200, Mauro Carvalho Chehab wrote: > Em Fri, 13 Dec 2013 22:19:39 +0100 > Frederik Himpe <fhimpe@xxxxxxxxxx> escreveu: > > > [My excuses for multiposting, it seems gmane does not permit posting to all > > the relevant lists] > > > > Since upgrading my system from Linux 3.12 to 3.12.3, my PCTV Systems > > nanoStick T2 290e does not work anymore. > > > > This happens with 3.12.3: > > > > [ 3.844020] tda18271 1-0060: creating new instance > > [ 3.868422] tda18271_read_regs: [1-0060|M] ERROR: i2c_transfer returned: -19 > > [ 3.868492] Error reading device ID @ 1-0060, bailing out. > > [ 3.868548] tda18271_attach: [1-0060|M] error -5 on line 1285 > > [ 3.868603] tda18271 1-0060: destroying instance > > [ 3.868666] Em28xx: Initialized (Em28xx dvb Extension) extension > > [ 3.894687] Registered IR keymap rc-pinnacle-pctv-hd > > [ 3.894819] input: em28xx IR (em28174 #0) as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7/rc/rc0/input23 > > [ 3.894979] rc0: em28xx IR (em28174 #0) as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7/rc/rc0 > > [ 3.895570] Em28xx: Initialized (Em28xx Input Extension) extension > > > > I see the same problem reported here: > > https://github.com/Hexxeh/rpi-firmware/issues/38 where it is mentioned > > that this regression also appeared in 3.10 stable series recently. > > > > I noticed upstream commit 8393796dfa4cf5dffcceec464c7789bec3a2f471 > > (media: dvb-frontends: Don't use dynamic static allocation) > > entered both 3.10.22 (which is the first version introducing the > > regression in 3.10 stable according to the linked bug), and 3.12.3. > > This file contains stuff related to tda18271. Could this be the > > culprit? > > > > Well, for board EM28174_BOARD_PCTV_290E, it first attaches cxd2820r > and then the tuner tda18271. > > I suspect that the issue is at cxd2820r. Could you please apply this > patch: > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0db3fa2741ad8371c21b3a6785416a4afc0cc1d4 > and see if it solves the issue? I have applied this patch to 3.12.5 and I can confirm it works fine now. Can this patch be applied to the stable series in order to fix this regression in stable? -- Frederik Himpe <fhimpe@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
