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Input: ucb1400_ts - allow passing IRQ through platfrom_data

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This patch allows UCB1400 to get IRQ GPIO from platform data. In case
platform_data are not supplied or the IRQ supplied in the platform_data
is negative, fall back to the old IRQ detection algorithm.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Marek Vasut 2009-11-08 19:45:54 -08:00 • committed by Dmitry Torokhov
parent 765af10de6
commit fb14159755
3 changed files with 18 additions and 4 deletions
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4
include/linux/ucb1400.h
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@ -110,6 +110,10 @@ struct ucb1400 {
struct platform_device *ucb1400_gpio;
};
struct ucb1400_pdata {
int irq;
};
static inline u16 ucb1400_reg_read(struct snd_ac97 *ac97, u16 reg)
{
return ac97->bus->ops->read(ac97, reg);