Re: [PATCH 28/33] ALSA: dice use match_string() helper

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Hi,

On May 21 2018 20:58, Yisheng Xie 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: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
---
  sound/firewire/dice/dice.c | 8 +-------
  1 file changed, 1 insertion(+), 7 deletions(-)

I'm welcome to this change, while in the latest subsystem tree for v4.18
the 'force_to_pcm_support()' local function was removed by my patch[1].
Your patch can be abandon.

diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c
index 96bb01b..0639074 100644
--- a/sound/firewire/dice/dice.c
+++ b/sound/firewire/dice/dice.c
@@ -35,19 +35,13 @@ static bool force_two_pcm_support(struct fw_unit *unit)
  		"SAFFIRE_PRO_40_1",
  	};
  	char model[32];
-	unsigned int i;
  	int err;
err = fw_csr_string(unit->directory, CSR_MODEL, model, sizeof(model));
  	if (err < 0)
  		return false;
- for (i = 0; i < ARRAY_SIZE(models); i++) {
-		if (strcmp(models[i], model) == 0)
-			break;
-	}
-
-	return i < ARRAY_SIZE(models);
+	return match_string(models, ARRAY_SIZE(models), model) >= 0;
  }
static int check_dice_category(struct fw_unit *unit)

[1] ALSA: dice: remove local frag of force_two_pcms
https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?h=for-next&id=9c367c01d3d5


Thanks

Takashi Sakamoto
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