This patch tries to correct the problem of full duplex mode not working over a single McBSP based CPU DAI.
Created against linux-2.6.31-rc5. Tested on Amstrad Delta. Signed-off-by: Janusz Krzysztofik <[email protected]> --- --- linux-2.6.31-rc5/sound/soc/omap/omap-mcbsp.c.orig 2009-08-01 02:40:45.000000000 +0200 +++ linux-2.6.31-rc5/sound/soc/omap/omap-mcbsp.c 2009-08-03 03:28:07.000000000 +0200 @@ -183,6 +183,7 @@ static int omap_mcbsp_dai_trigger(struct struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); + u16 buf; int err = 0; switch (cmd) { @@ -191,6 +192,14 @@ static int omap_mcbsp_dai_trigger(struct case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (!mcbsp_data->active++) omap_mcbsp_start(mcbsp_data->bus_id); + else if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + /* looks like capture already in progress, + * start playback by taking it out of error condition */ + omap_mcbsp_pollwrite(mcbsp_data->bus_id, 0x0); + else + /* looks like playback already in progress, + * start capture by taking it out of error condition */ + omap_mcbsp_pollread(mcbsp_data->bus_id, &buf); break; case SNDRV_PCM_TRIGGER_STOP: _______________________________________________ e3-hacking mailing list [email protected] http://www.earth.li/cgi-bin/mailman/listinfo/e3-hacking
