From 7bed6805615a215c3e23d5819ec3003b2fd8b98c Mon Sep 17 00:00:00 2001 From: Nick Dyer Date: Sun, 18 May 2014 23:04:09 -0700 Subject: [PATCH] Input: atmel_mxt_ts - improve error reporting and debug - Add error messages for probe errors - Report type in invalid object type - Tweak some other debug output messages Signed-off-by: Nick Dyer Acked-by: Benson Leung Acked-by: Yufeng Shen Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/atmel_mxt_ts.c | 33 +++++++++++++++++------- 1 file changed, 23 insertions(+), 10 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index d3aef870d255..278f364ec6e1 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -420,7 +420,8 @@ recheck: } if (val != state) { - dev_err(&client->dev, "Unvalid bootloader mode state\n"); + dev_err(&client->dev, "Invalid bootloader state %02X != %02X\n", + val, state); return -EINVAL; } @@ -540,7 +541,7 @@ mxt_get_object(struct mxt_data *data, u8 type) return object; } - dev_err(&data->client->dev, "Invalid object type\n"); + dev_err(&data->client->dev, "Invalid object type T%u\n", type); return NULL; } @@ -861,7 +862,7 @@ static int mxt_get_object_table(struct mxt_data *data) } dev_dbg(&data->client->dev, - "Type %2d Start %3d Size %3zd Instances %2zd ReportIDs %3u : %3u\n", + "T%u Start:%u Size:%zu Instances:%zu Report IDs:%u-%u\n", object->type, object->start_address, mxt_obj_size(object), mxt_obj_instances(object), min_id, max_id); @@ -915,13 +916,18 @@ static int mxt_initialize(struct mxt_data *data) /* Get object table information */ error = mxt_get_object_table(data); - if (error) + if (error) { + dev_err(&client->dev, "Error %d reading object table\n", error); goto err_free_object_table; + } /* Check register init values */ error = mxt_check_reg_init(data); - if (error) + if (error) { + dev_err(&client->dev, "Error %d initializing configuration\n", + error); goto err_free_object_table; + } error = mxt_t6_command(data, MXT_COMMAND_BACKUPNV, MXT_BACKUP_VALUE, false); @@ -940,12 +946,12 @@ static int mxt_initialize(struct mxt_data *data) info->matrix_ysize = val; dev_info(&client->dev, - "Family ID: %u Variant ID: %u Major.Minor.Build: %u.%u.%02X\n", + "Family: %u Variant: %u Firmware V%u.%u.%02X\n", info->family_id, info->variant_id, info->version >> 4, info->version & 0xf, info->build); dev_info(&client->dev, - "Matrix X Size: %u Matrix Y Size: %u Object Num: %u\n", + "Matrix X Size: %u Matrix Y Size: %u Objects: %u\n", info->matrix_xsize, info->matrix_ysize, info->object_num); @@ -1154,7 +1160,8 @@ static ssize_t mxt_update_fw_store(struct device *dev, dev_err(dev, "The firmware update failed(%d)\n", error); count = error; } else { - dev_dbg(dev, "The firmware update succeeded\n"); + dev_info(dev, "The firmware update succeeded\n"); + mxt_free_object_table(data); mxt_initialize(data); @@ -1325,12 +1332,18 @@ static int mxt_probe(struct i2c_client *client, goto err_free_irq; error = input_register_device(input_dev); - if (error) + if (error) { + dev_err(&client->dev, "Error %d registering input device\n", + error); goto err_free_irq; + } error = sysfs_create_group(&client->dev.kobj, &mxt_attr_group); - if (error) + if (error) { + dev_err(&client->dev, "Failure %d creating sysfs group\n", + error); goto err_unregister_device; + } return 0; -- 2.30.2