linux-kernel - Re: [PATCH 1/1 linux-next] ALSA: gus: use swap() in snd_ics_put

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Message-ID: <s5hmw0469qs.wl-tiwai@suse.de>
Date:	Fri, 12 Jun 2015 20:51:23 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel@...r.kernel.org, Julia Lawall <Julia.Lawall@...6.fr>,
	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org
Subject: Re: [PATCH 1/1 linux-next] ALSA: gus: use swap() in snd_ics_put_double()

At Fri, 12 Jun 2015 18:58:59 +0200,
Fabian Frederick wrote:
> 
> Use kernel.h macro definition.
> 
> Thanks to Julia Lawall for Coccinelle scripting support.
> 
> Signed-off-by: Fabian Frederick <fabf@...net.be>

Thanks, applied both patches.


Takashi

> ---
>  sound/isa/gus/gus_mixer.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/sound/isa/gus/gus_mixer.c b/sound/isa/gus/gus_mixer.c
> index 0dd4341..3b5d9a7 100644
> --- a/sound/isa/gus/gus_mixer.c
> +++ b/sound/isa/gus/gus_mixer.c
> @@ -109,7 +109,7 @@ static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
>  	unsigned long flags;
>  	int addr = kcontrol->private_value & 0xff;
>  	int change;
> -	unsigned char val1, val2, oval1, oval2, tmp;
> +	unsigned char val1, val2, oval1, oval2;
>  	
>  	val1 = ucontrol->value.integer.value[0] & 127;
>  	val2 = ucontrol->value.integer.value[1] & 127;
> @@ -120,11 +120,8 @@ static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
>  	gus->gf1.ics_regs[addr][0] = val1;
>  	gus->gf1.ics_regs[addr][1] = val2;
>  	if (gus->ics_flag && gus->ics_flipped &&
> -	    (addr == SNDRV_ICS_GF1_DEV || addr == SNDRV_ICS_MASTER_DEV)) {
> -		tmp = val1;
> -		val1 = val2;
> -		val2 = tmp;
> -	}
> +	    (addr == SNDRV_ICS_GF1_DEV || addr == SNDRV_ICS_MASTER_DEV))
> +		swap(val1, val2);
>  	addr <<= 3;
>  	outb(addr | 0, GUSP(gus, MIXCNTRLPORT));
>  	outb(1, GUSP(gus, MIXDATAPORT));
> -- 
> 2.4.2
> 
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