From 4844f51282b60f8a96b05d422f452a785df308b9 Mon Sep 17 00:00:00 2001 From: Takashi Sakamoto Date: Mon, 14 May 2018 07:09:53 +0900 Subject: [PATCH] ALSA: isight: use position offset macro of TLV data A series of SNDRV_CTL_TLVO_XXX macro was introduced for position offset of TLV data. This commit applies a code optimization. Signed-off-by: Takashi Sakamoto Acked-by: Clemens Ladisch Signed-off-by: Takashi Iwai --- sound/firewire/isight.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c index 46092fa3ff9b..3919e186a30b 100644 --- a/sound/firewire/isight.c +++ b/sound/firewire/isight.c @@ -569,18 +569,20 @@ static int isight_create_mixer(struct isight *isight) return err; isight->gain_max = be32_to_cpu(value); - isight->gain_tlv[0] = SNDRV_CTL_TLVT_DB_MINMAX; - isight->gain_tlv[1] = 2 * sizeof(unsigned int); + isight->gain_tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_MINMAX; + isight->gain_tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int); err = reg_read(isight, REG_GAIN_DB_START, &value); if (err < 0) return err; - isight->gain_tlv[2] = (s32)be32_to_cpu(value) * 100; + isight->gain_tlv[SNDRV_CTL_TLVO_DB_MINMAX_MIN] = + (s32)be32_to_cpu(value) * 100; err = reg_read(isight, REG_GAIN_DB_END, &value); if (err < 0) return err; - isight->gain_tlv[3] = (s32)be32_to_cpu(value) * 100; + isight->gain_tlv[SNDRV_CTL_TLVO_DB_MINMAX_MAX] = + (s32)be32_to_cpu(value) * 100; ctl = snd_ctl_new1(&gain_control, isight); if (ctl)