[alsa-devel] [PATCH 4/6] Adding GPIO routines for mask and direction

Takashi Iwai tiwai at suse.de
Tue Sep 15 13:19:24 CEST 2009


At Tue, 15 Sep 2009 00:45:01 +0200,
pavel.hofman at ivitera.com wrote:
> 
> diff --git a/pci/ice1712/ice1712.h b/pci/ice1712/ice1712.h
> index 9da2dae..2105055 100644
> --- a/pci/ice1712/ice1712.h
> +++ b/pci/ice1712/ice1712.h
> @@ -28,6 +28,7 @@
>  #include <sound/i2c.h>
>  #include <sound/ak4xxx-adda.h>
>  #include <sound/ak4114.h>
> +#include <sound/ak4113.h>

Here you don't need to include this header, at this stage.

> @@ -359,7 +360,9 @@ struct snd_ice1712 {
>  		unsigned int saved[2];		/* for ewx_i2c */
>  		/* operators */
>  		void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
> +		unsigned int (*get_mask)(struct snd_ice1712 *ice);
>  		void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
> +		unsigned int (*get_dir)(struct snd_ice1712 *ice);
>  		void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
>  		unsigned int (*get_data)(struct snd_ice1712 *ice);
>  		/* misc operators - move to another place? */
> @@ -399,6 +402,11 @@ static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned in
>  	ice->gpio.set_dir(ice, bits);
>  }
>  
> +static inline unsigned int snd_ice1712_gpio_get_dir(struct snd_ice1712 *ice)
> +{
> +	return ice->gpio.get_dir(ice);
> +}
> +
>  static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
>  {
>  	ice->gpio.set_mask(ice, bits);

No get_mask() accessor defined?


> diff --git a/pci/ice1712/ice1724.c b/pci/ice1712/ice1724.c
> index af6e001..673edd5 100644
> --- a/pci/ice1712/ice1724.c
> +++ b/pci/ice1712/ice1724.c
> @@ -196,6 +196,12 @@ static void snd_vt1724_set_gpio_dir(struct snd_ice1712 *ice, unsigned int data)
>  	inw(ICEREG1724(ice, GPIO_DIRECTION)); /* dummy read for pci-posting */
>  }
>  
> +/* get gpio direction 0 = read, 1 = write */
> +static unsigned int snd_vt1724_get_gpio_dir(struct snd_ice1712 *ice)
> +{
> +	return inl(ICEREG1724(ice, GPIO_DIRECTION));
> +}
> +
>  /* set the gpio mask (0 = writable) */
>  static void snd_vt1724_set_gpio_mask(struct snd_ice1712 *ice, unsigned int data)
>  {
> @@ -2435,6 +2441,7 @@ static int __devinit snd_vt1724_create(struct snd_card *card,
>  	mutex_init(&ice->i2c_mutex);
>  	ice->gpio.set_mask = snd_vt1724_set_gpio_mask;
>  	ice->gpio.set_dir = snd_vt1724_set_gpio_dir;
> +	ice->gpio.get_dir = snd_vt1724_get_gpio_dir;
>  	ice->gpio.set_data = snd_vt1724_set_gpio_data;
>  	ice->gpio.get_data = snd_vt1724_get_gpio_data;
>  	ice->card = card;

Include get_mask definitions rather in this patch.
No reason to split and put into another changes.


thanks,

Takashi


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