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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-05-11 19:25:42 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-05-15 08:50:59 -0700 |
| commit | f7391fce6a1553ed3375ee4d73f2deaa3fd69732 (patch) | |
| tree | a92dca2322e6c07ced600cec1da27bc2f3fef0f2 /sound/soc/soc-cache.c | |
| parent | d5e4b0adf6e694f9a8fb31f51fc381bd8be17eae (diff) | |
| download | linux-f7391fce6a1553ed3375ee4d73f2deaa3fd69732.tar.gz linux-f7391fce6a1553ed3375ee4d73f2deaa3fd69732.tar.bz2 linux-f7391fce6a1553ed3375ee4d73f2deaa3fd69732.zip | |
ASoC: Reintroduce do_spi_write()
There is an unfortunate difference in return values between spi_write()
and i2c_master_send() so we need an adaptor function to translate.
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Diffstat (limited to 'sound/soc/soc-cache.c')
| -rw-r--r-- | sound/soc/soc-cache.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index 01e5b9846436..06b7b81a1601 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -20,6 +20,20 @@ #include <trace/events/asoc.h> +#ifdef CONFIG_SPI_MASTER +static int do_spi_write(void *control, const char *data, int len) +{ + struct spi_device *spi = control; + int ret; + + ret = spi_write(spi, data, len); + if (ret < 0) + return ret; + + return len; +} +#endif + static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value, const void *data, int len) { @@ -412,7 +426,7 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, case SND_SOC_SPI: #ifdef CONFIG_SPI_MASTER - codec->hw_write = (hw_write_t)spi_write; + codec->hw_write = do_spi_write; #endif codec->control_data = container_of(codec->dev, |