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spi-gpio: sanitize MISO bitvalue 

gpio_get_value() returns 0 or nonzero, but getmiso() expects 0 or 1.
Sanitize the value to a 0/1 boolean.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Buesch 2009-02-18 14:48:41 -08:00 committed by Linus Torvalds
parent 97bef7dd05
commit be50344e60
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi_gpio.c
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@ -114,7 +114,7 @@ static inline void setmosi(const struct spi_device *spi, int is_on)
static inline int getmiso(const struct spi_device *spi)
{
return gpio_get_value(SPI_MISO_GPIO);
return !!gpio_get_value(SPI_MISO_GPIO);
}
#undef pdata