From: Marcus Folkesson <marcus.folkesson@gmail.com>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Peter Rosin <peda@axentia.se>,
Michael Hennerich <michael.hennerich@analog.com>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Andi Shyti <andi.shyti@kernel.org>
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 RFC 4/7] i2c: mux: ltc4306: set correct idle_state in i2c_mux_core
Date: Mon, 22 Sep 2025 08:20:59 +0200 [thread overview]
Message-ID: <20250922-i2c-mux-v1-4-28c94a610930@gmail.com> (raw)
In-Reply-To: <20250922-i2c-mux-v1-0-28c94a610930@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 | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c
index 50fbc0d06e62b2743dd7f20c9863d56009dcf0e9..4e81002e2e4d6c63f13cf44e16581aff836f7d4f 100644
--- a/drivers/i2c/muxes/i2c-mux-ltc4306.c
+++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c
@@ -232,6 +232,9 @@ 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, MUX_IDLE_DISCONNECT);
+
i2c_set_clientdata(client, muxc);
data->regmap = devm_regmap_init_i2c(client, <c4306_regmap_config);
--
2.50.1
next prev parent reply other threads:[~2025-09-22 6:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-22 6:20 [PATCH RFC 0/7] I2C Mux per channel bus speed Marcus Folkesson
2025-09-22 6:20 ` [PATCH RFC 1/7] i2c: core: add callback to change bus frequency Marcus Folkesson
2025-09-22 6:20 ` [PATCH RFC 2/7] i2c: mux: add idle_state property to i2c_mux_core Marcus Folkesson
2025-09-22 6:20 ` [PATCH RFC 3/7] i2c: mux: add support for per channel bus frequency Marcus Folkesson
2025-09-22 6:20 ` Marcus Folkesson [this message]
2025-09-22 6:21 ` [PATCH RFC 5/7] i2c: davinci: calculate bus freq from Hz instead of kHz Marcus Folkesson
2025-09-22 14:42 ` Bartosz Golaszewski
2025-09-22 14:50 ` Marcus Folkesson
2025-09-22 6:21 ` [PATCH RFC 6/7] i2c: davinci: add support for setting bus frequency Marcus Folkesson
2025-09-22 14:43 ` Bartosz Golaszewski
2025-09-22 6:21 ` [PATCH RFC 7/7] docs: i2c: i2c-topology: add section about bus speed Marcus Folkesson
2025-09-23 15:10 ` [PATCH RFC 0/7] I2C Mux per channel " Peter Rosin
2025-09-23 20:37 ` Marcus Folkesson
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