From: Marcus Folkesson <marcus.folkesson@gmail.com>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Michael Hennerich <michael.hennerich@analog.com>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Andi Shyti <andi.shyti@kernel.org>,
Andy Shevchenko <andriy.shevchenko@intel.com>,
Bartosz Golaszewski <brgl@kernel.org>,
Peter Rosin <peda@lysator.liu.se>,
Peter Rosin <peda@lysator.liu.se>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Marcus Folkesson <marcus.folkesson@gmail.com>
Subject: [PATCH v13 6/8] i2c: mux: ltc4306: set correct idle_state in i2c_mux_core
Date: Thu, 15 Oct 2026 13:01:53 +0200 [thread overview]
Message-ID: <20261015-i2c-mux-v13-6-778a12cfe93b@gmail.com> (raw)
In-Reply-To: <20261015-i2c-mux-v13-0-778a12cfe93b@gmail.com>
Inform the core if we intend to disconnect channels during idle.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
---
drivers/i2c/muxes/i2c-mux-ltc4306.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c
index 18228f5b80e8..b1150a18ed06 100644
--- a/drivers/i2c/muxes/i2c-mux-ltc4306.c
+++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c
@@ -232,6 +232,11 @@ static int ltc4306_probe(struct i2c_client *client)
data = i2c_mux_priv(muxc);
data->chip = chip;
+ if (idle_disc)
+ i2c_mux_set_idle_state(muxc, I2C_MUX_IDLE_DISCONNECT);
+ else
+ i2c_mux_set_idle_state(muxc, I2C_MUX_IDLE_AS_IS);
+
i2c_set_clientdata(client, muxc);
data->regmap = devm_regmap_init_i2c(client, <c4306_regmap_config);
--
2.55.0
next prev parent reply other threads:[~2026-10-15 11:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 11:01 [PATCH v13 0/8] I2C Mux per channel bus speed Marcus Folkesson
2026-10-15 11:01 ` [PATCH v13 1/8] i2c: core: add callback to change bus frequency Marcus Folkesson
2026-10-15 11:01 ` [PATCH v13 2/8] i2c: mux: add idle_state property to i2c_mux_core Marcus Folkesson
2026-10-15 11:01 ` [PATCH v13 3/8] i2c: mux: add support for per channel bus frequency Marcus Folkesson
2026-10-15 11:01 ` [PATCH v13 4/8] i2c: davinci: calculate bus freq from Hz instead of kHz Marcus Folkesson
2026-10-15 11:01 ` [PATCH v13 5/8] i2c: davinci: add support for setting bus frequency Marcus Folkesson
2026-10-15 11:01 ` Marcus Folkesson [this message]
2026-10-15 11:01 ` [PATCH v13 7/8] docs: i2c: i2c-topology: add section about bus speed Marcus Folkesson
2026-10-15 11:01 ` [PATCH v13 8/8] i2c: mux: pca954x: use idle state from i2c_mux_core Marcus Folkesson
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