Hi, Am Donnerstag, 10. April 2025, 13:01:19 CEST schrieb Alexander Stein: > By swapping time configuration some hardware constraints can be supported. > Fixes the error: Set parameter to device error: buffer time: 500000 > hw:tqmtlv320aic32: Invalid argument(-22) > > Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> Any feedback here? Or should I create a PR on github instead? Thanks and best regards Alexander > --- > Our common 'alsabat -Dhw:tqmtlv320aic32 -f S16_LE -c 2 -r 44100 -F 997:500' > failed ona i.MX95 based platform, while it worked flawlessly on others, > e.g. i.MX8M Plus. Upon searching I stumbled across [1], which this patch > is inspired/based on. > > [1] https://github.com/arkq/bluez-alsa/pull/290/commits/da78b82ff77310093b4b4a914d31e69b8ebb49eb > --- > bat/alsa.c | 18 +++++++++--------- > 1 file changed, 9 insertions(+), 9 deletions(-) > > diff --git a/bat/alsa.c b/bat/alsa.c > index 67489c4..457e79a 100644 > --- a/bat/alsa.c > +++ b/bat/alsa.c > @@ -221,23 +221,23 @@ static int set_snd_pcm_params(struct bat *bat, struct pcm_container *sndpcm) > > period_time = buffer_time / DIV_BUFFERTIME; > > - /* Set buffer time and period time */ > - err = snd_pcm_hw_params_set_buffer_time_near(sndpcm->handle, > - params, &buffer_time, 0); > + /* Set period time and buffer time */ > + err = snd_pcm_hw_params_set_period_time_near(sndpcm->handle, > + params, &period_time, 0); > if (err < 0) { > fprintf(bat->err, _("Set parameter to device error: ")); > - fprintf(bat->err, _("buffer time: %d %s: %s(%d)\n"), > - buffer_time, > + fprintf(bat->err, _("period time: %d %s: %s(%d)\n"), > + period_time, > device_name, snd_strerror(err), err); > return err; > } > > - err = snd_pcm_hw_params_set_period_time_near(sndpcm->handle, > - params, &period_time, 0); > + err = snd_pcm_hw_params_set_buffer_time_near(sndpcm->handle, > + params, &buffer_time, 0); > if (err < 0) { > fprintf(bat->err, _("Set parameter to device error: ")); > - fprintf(bat->err, _("period time: %d %s: %s(%d)\n"), > - period_time, > + fprintf(bat->err, _("buffer time: %d %s: %s(%d)\n"), > + buffer_time, > device_name, snd_strerror(err), err); > return err; > } > -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/
