Hi On 01/31/2015 11:35 AM, Pali Rohár wrote: > Hello, > > audio on (real) n900 device does not working with 3.19 kernel. Here is relevant dmesg output: > > [ 5.687438] omap_i2c 48070000.i2c: bus 1 rev3.3 at 2200 kHz > [ 5.696166] tpa6130a2 2-0060: Write failed > [ 5.696228] tpa6130a2 2-0060: Failed to initialize chip > [ 5.696380] tpa6130a2: probe of 2-0060 failed with error -121 > [ 5.697937] omap_i2c 48072000.i2c: bus 2 rev3.3 at 100 kHz > [ 5.700256] omap_i2c 48060000.i2c: bus 3 rev3.3 at 400 kHz > [ 6.289154] rx51-audio n900-audio: Failed to add TPA6130A2 controls > [ 6.295715] rx51-audio n900-audio: ASoC: failed to init TLV320AIC34: -19 > [ 6.302459] rx51-audio n900-audio: ASoC: failed to instantiate card -19 > [ 6.309173] gpiod_unexport: invalid GPIO > [ 6.315612] rx51-audio n900-audio: snd_soc_register_card failed (-19) > [ 6.397949] ALSA device list: > [ 6.404876] No soundcards found. > > Any idea why tpa6130a2 fails to initialize? > > I applied also these patches: > https://lkml.org/lkml/2015/1/29/465 > http://mailman.alsa-project.org/pipermail/alsa-devel/2015-January/087228.html > Here probes and plays from headset fine on top of 1c999c47a9f1 Merge tag 'dm-3.19-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm I have above patches and these two: http://marc.info/?l=devicetree&m=142264840506833&w=2 http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8294/1 Your error code -121, -EREMOTEIO suggests that chip doesn't acknowledge its address on i2c bus when trying to communicate with it. I don't know what can cause it. Could it be some timing or probe ordering issue? I have CONFIG_I2C_OMAP=y and sound drivers including CONFIG_SND_SOC_TPA6130A2 as modules. -- Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
