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 --- 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 04861c4..dee86fc 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) { @@ -409,7 +423,7 @@ 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,