linux-kernel - [PATCH] ASoC: twl4030: make read-only array ramp

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Message-Id: <20221018152928.942186-1-colin.i.king@gmail.com>
Date:   Tue, 18 Oct 2022 16:29:28 +0100
From:   Colin Ian King <colin.i.king@...il.com>
To:     Peter Ujfalusi <peter.ujfalusi@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: twl4030: make read-only array ramp_base static const

Don't populate the read-only array ramp_base on the stack but
instead make it static const. Also makes the object code a
little smaller.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 sound/soc/codecs/twl4030.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index e48768233e20..9c50ac356c89 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -700,8 +700,10 @@ static void headset_ramp(struct snd_soc_component *component, int ramp)
 	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 	struct twl4030_board_params *board_params = twl4030->board_params;
 	/* Base values for ramp delay calculation: 2^19 - 2^26 */
-	unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
-				    8388608, 16777216, 33554432, 67108864};
+	static const unsigned int ramp_base[] = {
+		524288, 1048576, 2097152, 4194304,
+		8388608, 16777216, 33554432, 67108864
+	};
 	unsigned int delay;
 
 	hs_gain = twl4030_read(component, TWL4030_REG_HS_GAIN_SET);
-- 
2.37.3