linux-kernel - Re: [PATCH] iio: light: stk3310: add chip id for STK3311-X variant

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Message-ID: <20200704172916.7a8a7359@archlinux>
Date:   Sat, 4 Jul 2020 17:29:16 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Ondrej Jirman <megous@...ous.com>
Cc:     linux-kernel@...r.kernel.org, Icenowy Zheng <icenowy@...c.io>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Luca Weiss <luca@...tu.xyz>,
        linux-iio@...r.kernel.org (open list:IIO SUBSYSTEM AND DRIVERS)
Subject: Re: [PATCH] iio: light: stk3310: add chip id for STK3311-X variant

On Fri,  3 Jul 2020 21:44:05 +0200
Ondrej Jirman <megous@...ous.com> wrote:

> From: Icenowy Zheng <icenowy@...c.io>
> 
> The STK3311 chip has a variant called STK3311-X, which has a different
> chip id of 0x12.
> 
> Add the chip id to the driver.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>

Given this is clearly not quite compatible with the stk3311 probably
best to also add a an id to the of id table.  Any idea what else
is different?

Thanks,

Jonathan

> ---
>  drivers/iio/light/stk3310.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
> index 185c24a75ae6..1a8401d198a4 100644
> --- a/drivers/iio/light/stk3310.c
> +++ b/drivers/iio/light/stk3310.c
> @@ -37,6 +37,7 @@
>  
>  #define STK3310_CHIP_ID_VAL			0x13
>  #define STK3311_CHIP_ID_VAL			0x1D
> +#define STK3311X_CHIP_ID_VAL			0x12
>  #define STK3335_CHIP_ID_VAL			0x51
>  #define STK3310_PSINT_EN			0x01
>  #define STK3310_PS_MAX_VAL			0xFFFF
> @@ -453,6 +454,7 @@ static int stk3310_init(struct iio_dev *indio_dev)
>  
>  	if (chipid != STK3310_CHIP_ID_VAL &&
>  	    chipid != STK3311_CHIP_ID_VAL &&
> +	    chipid != STK3311X_CHIP_ID_VAL &&
>  	    chipid != STK3335_CHIP_ID_VAL) {
>  		dev_err(&client->dev, "invalid chip id: 0x%x\n", chipid);
>  		return -ENODEV;