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Fri, 03 Jul 2026 00:59:01 -0700 (PDT) Received: from localhost ([2a01:e0a:3c5:5fb1:fb6a:cb8b:b7f7:bb42]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-477dde19fd3sm16565369f8f.25.2026.07.03.00.59.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2026 00:59:00 -0700 (PDT) From: Jerome Brunet To: Valerio Setti Cc: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Neil Armstrong , Kevin Hilman , Martin Blumenstingl , linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] ASoC: meson: aiu-formatter: remove pipeline reset from prepare In-Reply-To: <20260702-fix-24-bit-i2s-playback-v1-2-bcd3a43fe32a@baylibre.com> (Valerio Setti's message of "Thu, 02 Jul 2026 12:56:41 +0200") References: <20260702-fix-24-bit-i2s-playback-v1-0-bcd3a43fe32a@baylibre.com> <20260702-fix-24-bit-i2s-playback-v1-2-bcd3a43fe32a@baylibre.com> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Fri, 03 Jul 2026 09:58:59 +0200 Message-ID: <1jfr20ijwc.fsf@starbuckisacylon.baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260703_005903_442381_1AEF411E X-CRM114-Status: GOOD ( 15.42 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On jeu. 02 juil. 2026 at 12:56, Valerio Setti wrote: > 'aiu-formatter-i2s' already performs the very same reset in > 'aiu_fifo_i2s_trigger' for all relevant trigger scenarios. There is no > need to duplicate the operation in the formatter. > > Signed-off-by: Valerio Setti Reviewed-by: Jerome Brunet > --- > sound/soc/meson/aiu-formatter-i2s.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/sound/soc/meson/aiu-formatter-i2s.c b/sound/soc/meson/aiu-formatter-i2s.c > index b4604734fe88..cb554c2e7ce4 100644 > --- a/sound/soc/meson/aiu-formatter-i2s.c > +++ b/sound/soc/meson/aiu-formatter-i2s.c > @@ -13,7 +13,6 @@ > #define AIU_I2S_SOURCE_DESC_MODE_8CH BIT(0) > #define AIU_I2S_SOURCE_DESC_MODE_24BIT BIT(5) > #define AIU_I2S_SOURCE_DESC_MODE_32BIT BIT(9) > -#define AIU_RST_SOFT_I2S_FAST BIT(0) > > #define AIU_I2S_DAC_CFG_MSB_FIRST BIT(2) > > @@ -55,11 +54,11 @@ static int aiu_formatter_i2s_prepare(struct regmap *map, > { > /* Always operate in split (classic interleaved) mode */ > unsigned int desc = 0; > - unsigned int tmp; > > - /* Reset required to update the pipeline */ > - regmap_write(map, AIU_RST_SOFT, AIU_RST_SOFT_I2S_FAST); > - regmap_read(map, AIU_I2S_SYNC, &tmp); > + /* > + * Pipeline reset is already implemented in aiu_fifo_i2s_trigger() at > + * trigger time. > + */ > > switch (ts->physical_width) { > case 16: /* Nothing to do */ -- Jerome _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic