Hi Marek,
On Tue, Aug 31, 2021 at 10:25:04PM +0200, Marek Vasut wrote:
quoted hunk ↗ jump to hunk
+static int ili251x_firmware_update_resolution(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ili210x *priv = i2c_get_clientdata(client);
+ __le16 resx, resy;
These are normal variables, so I changed it to u16, otherwise sparse is
rightfully unhappy.
quoted hunk ↗ jump to hunk
+ u8 rs[10];
+ int error;
+
+ /* The firmware update blob might have changed the resolution. */
+ error = priv->chip->read_reg(client, REG_PANEL_INFO, &rs, sizeof(rs));
+ if (error)
+ return error;
+
+ resx = le16_to_cpup((__le16 *)rs);
+ resy = le16_to_cpup((__le16 *)(rs + 2));
+
+ /* The value reported by the firmware is invalid. */
+ if (!resx || resx == 0xffff || !resy || resy == 0xffff)
+ return -EINVAL;
+
+ input_abs_set_max(priv->input, ABS_X, resx - 1);
+ input_abs_set_max(priv->input, ABS_Y, resy - 1);
+ input_abs_set_max(priv->input, ABS_MT_POSITION_X, resx - 1);
+ input_abs_set_max(priv->input, ABS_MT_POSITION_Y, resy - 1);
+
+ return 0;
+}
+
+static int ili251x_firmware_update_cached_state(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ili210x *priv = i2c_get_clientdata(client);
+ int ret;
Changed this to "error" and applied, thank you.
--
Dmitry