ASoC: rt721: fix FU33 Boost Volume control not working

JIRA: https://issues.redhat.com/browse/RHEL-118909

commit 633e391
Author: Shuming Fan <shumingf@realtek.com>
Date: Fri Aug 8 13:57:06 2025 +0800

    ASoC: rt721: fix FU33 Boost Volume control not working

    This patch fixed FU33 Boost Volume control not working.

    Signed-off-by: Shuming Fan <shumingf@realtek.com>
    Link: https://patch.msgid.link/20250808055706.1110766-1-shumingf@realtek.com
    Signed-off-by: Mark Brown <broonie@kernel.org>

Signed-off-by: Jaroslav Kysela <jkysela@redhat.com>

Author: jkysela-rh

sound/soc/codecs/rt721-sdca.c

@@ -278,6 +278,8 @@ static void rt721_sdca_jack_preset(struct rt721_sdca_priv *rt721)
 		RT721_ENT_FLOAT_CTL1, 0x4040);
 	rt_sdca_index_write(rt721->mbq_regmap, RT721_HDA_SDCA_FLOAT,
 		RT721_ENT_FLOAT_CTL4, 0x1201);
+	rt_sdca_index_write(rt721->mbq_regmap, RT721_BOOST_CTRL,
+		RT721_BST_4CH_TOP_GATING_CTRL1, 0x002a);
 	regmap_write(rt721->regmap, 0x2f58, 0x07);
 }
 

sound/soc/codecs/rt721-sdca.h

@@ -56,6 +56,7 @@ struct rt721_sdca_dmic_kctrl_priv {
 #define RT721_CBJ_CTRL				0x0a
 #define RT721_CAP_PORT_CTRL			0x0c
 #define RT721_CLASD_AMP_CTRL			0x0d
+#define RT721_BOOST_CTRL			0x0f
 #define RT721_VENDOR_REG			0x20
 #define RT721_RC_CALIB_CTRL			0x40
 #define RT721_VENDOR_EQ_L			0x53
@@ -93,6 +94,9 @@ struct rt721_sdca_dmic_kctrl_priv {
 /* Index (NID:0dh) */
 #define RT721_CLASD_AMP_2CH_CAL			0x14
 
+/* Index (NID:0fh) */
+#define RT721_BST_4CH_TOP_GATING_CTRL1		0x05
+
 /* Index (NID:20h) */
 #define RT721_JD_PRODUCT_NUM			0x00
 #define RT721_ANALOG_BIAS_CTL3			0x04