On Mon, May 21, 2018 at 2:58 PM, Yisheng Xie <xieyisheng1@xxxxxxxxxx> wrote:
> match_string() returns the index of an array for a matching string,
> which can be used intead of open coded variant.
>
> Cc: Clemens Ladisch <clemens@xxxxxxxxxx>
> Cc: Jaroslav Kysela <perex@xxxxxxxx>
> Cc: Takashi Iwai <tiwai@xxxxxxxx>
> Cc: alsa-devel@xxxxxxxxxxxxxxxx
> Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
> ---
> sound/pci/oxygen/oxygen_mixer.c | 13 ++++++-------
> 1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
> index 4ca1266..fbd8f5e 100644
> --- a/sound/pci/oxygen/oxygen_mixer.c
> +++ b/sound/pci/oxygen/oxygen_mixer.c
> @@ -1052,10 +1052,9 @@ static int add_controls(struct oxygen *chip,
> [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
> [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
> };
> - unsigned int i, j;
> struct snd_kcontrol_new template;
> struct snd_kcontrol *ctl;
> - int err;
> + int i, j, err;
What's wrong with
unsigned int i;
?
>
> for (i = 0; i < count; ++i) {
> template = controls[i];
> @@ -1086,11 +1085,11 @@ static int add_controls(struct oxygen *chip,
> err = snd_ctl_add(chip->card, ctl);
> if (err < 0)
> return err;
> - for (j = 0; j < CONTROL_COUNT; ++j)
> - if (!strcmp(ctl->id.name, known_ctl_names[j])) {
> - chip->controls[j] = ctl;
> - ctl->private_free = oxygen_any_ctl_free;
> - }
> + j = match_string(known_ctl_names, CONTROL_COUNT, ctl->id.name);
> + if (j >= 0) {
> + chip->controls[j] = ctl;
> + ctl->private_free = oxygen_any_ctl_free;
> + }
> }
> return 0;
> }
> --
> 1.7.12.4
>
--
With Best Regards,
Andy Shevchenko
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