The controller has mute/unmute capability and some bootloader may mute them at boot. If it's not handled, all things will seem to be working but no sound will come out of the speaker/headphone. Signed-off-by: Arnaud Patard <arnaud.patard@xxxxxxxxxxx> Index: sound-2.6/sound/soc/kirkwood/kirkwood-i2s.c =================================================================== --- sound-2.6.orig/sound/soc/kirkwood/kirkwood-i2s.c 2010-07-11 14:22:06.000000000 +0200 +++ sound-2.6/sound/soc/kirkwood/kirkwood-i2s.c 2010-07-11 14:36:54.000000000 +0200 @@ -193,7 +193,8 @@ /* configure audio & enable i2s playback */ value = readl(priv->io + KIRKWOOD_PLAYCTL); value &= ~KIRKWOOD_PLAYCTL_BURST_MASK; - value &= ~(KIRKWOOD_PLAYCTL_PAUSE|KIRKWOOD_PLAYCTL_SPDIF_EN); + value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE + | KIRKWOOD_PLAYCTL_SPDIF_EN); if (priv->burst == 32) value |= KIRKWOOD_PLAYCTL_BURST_32; @@ -206,7 +207,7 @@ case SNDRV_PCM_TRIGGER_STOP: /* stop audio, disable interrupts */ value = readl(priv->io + KIRKWOOD_PLAYCTL); - value |= KIRKWOOD_PLAYCTL_PAUSE; + value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE; writel(value, priv->io + KIRKWOOD_PLAYCTL); value = readl(priv->io + KIRKWOOD_INT_MASK); @@ -222,14 +223,14 @@ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_SUSPEND: value = readl(priv->io + KIRKWOOD_PLAYCTL); - value |= KIRKWOOD_PLAYCTL_PAUSE; + value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE; writel(value, priv->io + KIRKWOOD_PLAYCTL); break; case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: value = readl(priv->io + KIRKWOOD_PLAYCTL); - value &= ~KIRKWOOD_PLAYCTL_PAUSE; + value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE); writel(value, priv->io + KIRKWOOD_PLAYCTL); break; @@ -262,7 +263,8 @@ value = readl(priv->io + KIRKWOOD_RECCTL); value &= ~KIRKWOOD_RECCTL_BURST_MASK; value &= ~KIRKWOOD_RECCTL_MONO; - value &= ~(KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_SPDIF_EN); + value &= ~(KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE + | KIRKWOOD_RECCTL_SPDIF_EN); if (priv->burst == 32) value |= KIRKWOOD_RECCTL_BURST_32; @@ -276,7 +278,7 @@ case SNDRV_PCM_TRIGGER_STOP: /* stop audio, disable interrupts */ value = readl(priv->io + KIRKWOOD_RECCTL); - value |= KIRKWOOD_RECCTL_PAUSE; + value |= KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE; writel(value, priv->io + KIRKWOOD_RECCTL); value = readl(priv->io + KIRKWOOD_INT_MASK); @@ -292,14 +294,14 @@ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_SUSPEND: value = readl(priv->io + KIRKWOOD_RECCTL); - value |= KIRKWOOD_RECCTL_PAUSE; + value |= KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE; writel(value, priv->io + KIRKWOOD_RECCTL); break; case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: value = readl(priv->io + KIRKWOOD_RECCTL); - value &= ~KIRKWOOD_RECCTL_PAUSE; + value &= ~(KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE); writel(value, priv->io + KIRKWOOD_RECCTL); break; _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
