Re: [PATCH 3/3] Input: mms114 - add support for mms345l
From: Andi Shyti
Date: Tue Oct 08 2019 - 07:53:43 EST
Hi Stephan,
On Mon, Oct 07, 2019 at 10:50:21PM +0200, Stephan Gerhold wrote:
> MMS345L is another first generation touch screen from Melfas,
> which uses the same registers as MMS152.
>
> However, using I2C_M_NOSTART for it causes errors when reading:
>
> i2c i2c-0: sendbytes: NAK bailout.
> mms114 0-0048: __mms114_read_reg: i2c transfer failed (-5)
>
> The driver works fine as soon as I2C_M_NOSTART is removed.
>
> Add a separate melfas,mms345l binding, and make use of I2C_M_NOSTART
> only for MMS114 and MMS152.
>
> Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
Reviewed-by: Andi Shyti <andi@xxxxxxxxxxx>
just a nitpick in case you will resend it (but you don't need
to).
> - if (!i2c_check_functionality(client->adapter,
> - I2C_FUNC_PROTOCOL_MANGLING)) {
> + type = (enum mms_type)device_get_match_data(&client->dev);
you don't need any cast here.
Thanks,
Andi