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>
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 01e5b98..06b7b81 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 @@
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,