On Fri, 6 May 2022 11:50:40 +0200
Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> Since commit 9bcf15f75cac ("iio: adc: axp288: Fix TS-pin handling") we
> preserve the bias current set by the firmware at boot. This fixes issues
> we were seeing on various models.
>
> Some models like the Nuvision Solo 10 Draw tablet actually need the
> old hardcoded 80ųA bias current for battery temperature monitoring
> to work properly.
>
> Add a quirk entry for the Nuvision Solo 10 Draw to the DMI quirk table
> to restore setting the bias current to 80ųA on this model.
>
> Fixes: 9bcf15f75cac ("iio: adc: axp288: Fix TS-pin handling")
> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215882
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Applied to the fixes-togreg branch of iio.git.
Thanks,
Jonathan
> ---
> drivers/iio/adc/axp288_adc.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c
> index a4b8be5b8f88..580361bd9849 100644
> --- a/drivers/iio/adc/axp288_adc.c
> +++ b/drivers/iio/adc/axp288_adc.c
> @@ -196,6 +196,14 @@ static const struct dmi_system_id axp288_adc_ts_bias_override[] = {
> },
> .driver_data = (void *)(uintptr_t)AXP288_ADC_TS_BIAS_80UA,
> },
> + {
> + /* Nuvision Solo 10 Draw */
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "TMAX"),
> + DMI_MATCH(DMI_PRODUCT_NAME, "TM101W610L"),
> + },
> + .driver_data = (void *)(uintptr_t)AXP288_ADC_TS_BIAS_80UA,
> + },
> {}
> };
>
