lkml.org 
[lkml]   [2021]   [Dec]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/2] i2c: tegra: Add SMBus block read and SMBus alert functions
From
Date
09.12.2021 18:05, Akhil R пишет:
> +static int tegra_i2c_setup_smbalert(struct tegra_i2c_dev *i2c_dev)
> +{
> + struct tegra_i2c_smbalert *smbalert = &i2c_dev->smbalert;
> + struct gpio_desc *alert_gpiod;
> + struct i2c_client *ara;
> +
> + alert_gpiod = devm_gpiod_get(i2c_dev->dev, "smbalert", GPIOD_IN);
> + if (IS_ERR(alert_gpiod))
> + return PTR_ERR(alert_gpiod);
> +
> + smbalert->alert_data.irq = gpiod_to_irq(alert_gpiod);
> + if (smbalert->alert_data.irq <= 0)
> + return smbalert->alert_data.irq;

0 is the error condition.

\
 
 \ /
  Last update: 2021-12-09 16:31    [W:0.139 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site