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[ALSA] oxygen: reduce SPI clock frequency for AK4396/WM8785

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According to the datasheets, the SPI clock cycle must be at least 200 ns
for the AK4396 and the WM8785, so we cannot use the default 160 ns.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Clemens Ladisch
2008-01-21 08:51:19 +01:00
committed by Jaroslav Kysela
parent 71e22a4b77
commit 3b94253bc9
2 changed files with 3 additions and 3 deletions
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2
sound/pci/oxygen/oxygen_io.c
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@@ -174,7 +174,7 @@ void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data)
{
unsigned int count;
/* should not need more than 3.84 us (24 * 160 ns) */
/* should not need more than 7.68 us (24 * 320 ns) */
count = 10;
while ((oxygen_read8(chip, OXYGEN_SPI_CONTROL) & OXYGEN_SPI_BUSY)
&& count > 0) {