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ASoC: Factor out 7 bit register 9 bit data SPI write

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This converts all the Wolfson drivers using this format (the only devices
that do) except WM8753 to use it.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown
2009-07-10 23:28:16 +01:00
parent 8d50e447d1
commit 27ded041f0
6 changed files with 36 additions and 128 deletions
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25
sound/soc/codecs/wm8510.c
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@@ -737,30 +737,6 @@ static struct spi_driver wm8510_spi_driver = {
.probe = wm8510_spi_probe,
.remove = __devexit_p(wm8510_spi_remove),
};
static int wm8510_spi_write(struct spi_device *spi, const char *data, int len)
{
struct spi_transfer t;
struct spi_message m;
u8 msg[2];
if (len <= 0)
return 0;
msg[0] = data[0];
msg[1] = data[1];
spi_message_init(&m);
memset(&t, 0, (sizeof t));
t.tx_buf = &msg[0];
t.len = len;
spi_message_add_tail(&t, &m);
spi_sync(spi, &m);
return len;
}
#endif /* CONFIG_SPI_MASTER */
static int wm8510_probe(struct platform_device *pdev)
@@ -790,7 +766,6 @@ static int wm8510_probe(struct platform_device *pdev)
#endif
#if defined(CONFIG_SPI_MASTER)
if (setup->spi) {
codec->hw_write = (hw_write_t)wm8510_spi_write;
ret = spi_register_driver(&wm8510_spi_driver);
if (ret != 0)
printk(KERN_ERR "can't add spi driver");