diff options
| author | Mark Brown <broonie@linaro.org> | 2013-06-26 12:45:59 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-06-27 09:48:42 +0100 |
| commit | b047e1cce8fe32475ab61846772943a5e4c0a908 (patch) | |
| tree | 9d04d8101d161b96f96c2e2e5bd03900011828ec /sound/soc/cirrus | |
| parent | b49dff8cb61cd4715991612e2eb6905b73a0be78 (diff) | |
| download | linux-b047e1cce8fe32475ab61846772943a5e4c0a908.tar.bz2 | |
ASoC: ac97: Support multi-platform AC'97
Currently we can only have a single platform built in with AC'97 support
due to the use of a global variable to provide the bus operations. Fix
this by making that variable a pointer and having the bus drivers set the
operations prior to registering.
This is not a particularly good or nice approach but it avoids blocking
multiplatform and a real fix involves fixing the fairly deep problems
with AC'97 support - we should be converting it to a real bus.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/cirrus')
| -rw-r--r-- | sound/soc/cirrus/ep93xx-ac97.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c index d49e0556e381..4bc9490e2c84 100644 --- a/sound/soc/cirrus/ep93xx-ac97.c +++ b/sound/soc/cirrus/ep93xx-ac97.c @@ -237,13 +237,12 @@ static irqreturn_t ep93xx_ac97_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -struct snd_ac97_bus_ops soc_ac97_ops = { +static struct snd_ac97_bus_ops ep93xx_ac97_ops = { .read = ep93xx_ac97_read, .write = ep93xx_ac97_write, .reset = ep93xx_ac97_cold_reset, .warm_reset = ep93xx_ac97_warm_reset, }; -EXPORT_SYMBOL_GPL(soc_ac97_ops); static int ep93xx_ac97_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) @@ -395,6 +394,10 @@ static int ep93xx_ac97_probe(struct platform_device *pdev) ep93xx_ac97_info = info; platform_set_drvdata(pdev, info); + ret = snd_soc_set_ac97_ops(&ep93xx_ac97_ops); + if (ret) + goto fail; + ret = snd_soc_register_component(&pdev->dev, &ep93xx_ac97_component, &ep93xx_ac97_dai, 1); if (ret) @@ -405,6 +408,7 @@ static int ep93xx_ac97_probe(struct platform_device *pdev) fail: platform_set_drvdata(pdev, NULL); ep93xx_ac97_info = NULL; + snd_soc_set_ac97_ops(NULL); return ret; } @@ -420,6 +424,8 @@ static int ep93xx_ac97_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); ep93xx_ac97_info = NULL; + snd_soc_set_ac97_ops(NULL); + return 0; } |