linux-kernel - [PATCH] ASoC: hdmi-codec: make const array hdmi_codec_eld_spk_alloc

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Message-Id: <20170711140855.17634-1-colin.king@canonical.com>
Date:   Tue, 11 Jul 2017 15:08:55 +0100
From:   Colin King <colin.king@...onical.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        Vincent Abriou <vincent.abriou@...com>,
        Jon Medhurst <tixy@...aro.org>, alsa-devel@...a-project.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: hdmi-codec: make const array hdmi_codec_eld_spk_alloc_bits static

From: Colin Ian King <colin.king@...onical.com>

Don't populate array hdmi_codec_eld_spk_alloc_bits on the stack but
make it static. Makes the object code smaller by over 260 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  10882	   3384	     64	  14330	   37fa	sound/soc/codecs/hdmi-codec.o

After:
   text	   data	    bss	    dec	    hex	filename
  10557	   3440	     64	  14061	   36ed	sound/soc/codecs/hdmi-codec.o

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 sound/soc/codecs/hdmi-codec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 7686a80861f1..509ab513b4b2 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -326,7 +326,7 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc)
 {
 	int i;
-	const unsigned long hdmi_codec_eld_spk_alloc_bits[] = {
+	static const unsigned long hdmi_codec_eld_spk_alloc_bits[] = {
 		[0] = FL | FR, [1] = LFE, [2] = FC, [3] = RL | RR,
 		[4] = RC, [5] = FLC | FRC, [6] = RLC | RRC,
 	};
-- 
2.11.0