On Thu, 2 Sep 2010, Camilo Polymeris wrote: > Hello. > I am writing this mixer app: > http://emutrix.googlecode.com > > I have trouble with callbacks. So far I have implemented callbacks for > the master volume fader and clock rate selection (integer and enum, > resp.) > But "pad" callbacks (boolean) won't work. In fact, I have noticed that > alsamixer 1.0.22 also doesn't react to pad changes from the application. > But the driver reacts to both as expected, so we're dealing with the > same element. It seems like a bug in the emu driver. The elem put callbacks does not check for changes (they should return 1). Does this patch help? diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c index 05afe06..7bd1c1a 100644 --- a/sound/pci/emu10k1/emumixer.c +++ b/sound/pci/emu10k1/emumixer.c @@ -622,6 +622,7 @@ static int snd_emu1010_adc_pads_put(struct snd_kcontrol *kcontrol, struct snd_ct if (cache != emu->emu1010.adc_pads) { snd_emu1010_fpga_write(emu, EMU_HANA_ADC_PADS, cache ); emu->emu1010.adc_pads = cache; + return 1; } return 0; @@ -670,6 +671,7 @@ static int snd_emu1010_dac_pads_put(struct snd_kcontrol *kcontrol, struct snd_ct if (cache != emu->emu1010.dac_pads) { snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, cache ); emu->emu1010.dac_pads = cache; + return 1; } return 0; Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
