Re: [PATCH v12 6/7] i2c: mux: ltc4306: set correct idle_state in i2c_mux_core
From: Peter Rosin
Date: Thu Jul 23 2026 - 07:18:35 EST
Hi!
On 2026-07-19 16:59, Marcus Folkesson wrote:
> Inform the core if we intend to disconnect channels during idle.
>
> Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
> ---
> 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 18228f5b80e8..df7136b7b042 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, I2C_MUX_IDLE_DISCONNECT);
Perhaps augment with
else
i2c_mux_set_idle_state(muxc, I2C_MUX_IDLE_AS_IS);
now that the default is IDLE_UNKNOWN.
Cheers,
Peter
> +
> i2c_set_clientdata(client, muxc);
>
> data->regmap = devm_regmap_init_i2c(client, <c4306_regmap_config);
>