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Wed, 15 Apr 2026 05:47:46 -0700 (PDT) From: John Madieu X-Google-Original-From: John Madieu To: Kuninori Morimoto , Mark Brown , Liam Girdwood Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Geert Uytterhoeven , Magnus Damm , Philipp Zabel , Claudiu Beznea , Biju Das , john.madieu@gmail.com, linux-sound@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, John Madieu Subject: [PATCH v5 10/14] ASoC: rsnd: Add ADG reset support for RZ/G3E Date: Wed, 15 Apr 2026 12:47:27 +0000 Message-Id: <20260415124731.3684773-11-john.madieu.xa@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260415124731.3684773-1-john.madieu.xa@bp.renesas.com> References: <20260415124731.3684773-1-john.madieu.xa@bp.renesas.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit RZ/G3E requires the ADG reset line to be deasserted for the audio subsystem to operate. The ADG module clock is already managed via rsnd_adg_clk_enable/disable() through adg->adg, so no additional clock handling is needed. Add support for the optional "adg" reset control on Renesas RZ/G3E SoC. Signed-off-by: John Madieu --- Changes: v5: No changes v4: - Collapse dev_err_probe() and rsnd_mod_init() calls to single lines v3: No changes v2: No changes sound/soc/renesas/rcar/adg.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/renesas/rcar/adg.c b/sound/soc/renesas/rcar/adg.c index 0105c60a144e..813ad5eabba6 100644 --- a/sound/soc/renesas/rcar/adg.c +++ b/sound/soc/renesas/rcar/adg.c @@ -771,6 +771,7 @@ void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct seq_file *m) int rsnd_adg_probe(struct rsnd_priv *priv) { + struct reset_control *rstc; struct rsnd_adg *adg; struct device *dev = rsnd_priv_to_dev(priv); int ret; @@ -779,8 +780,11 @@ int rsnd_adg_probe(struct rsnd_priv *priv) if (!adg) return -ENOMEM; - ret = rsnd_mod_init(priv, &adg->mod, &adg_ops, - NULL, NULL, 0, 0); + rstc = devm_reset_control_get_optional_exclusive(dev, "adg"); + if (IS_ERR(rstc)) + return dev_err_probe(dev, PTR_ERR(rstc), "failed to get adg reset\n"); + + ret = rsnd_mod_init(priv, &adg->mod, &adg_ops, NULL, rstc, 0, 0); if (ret) return ret; -- 2.25.1