Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: st1232 - expose firmware version via sysfs
Allow user space programs to read the firmware version and revision of
the touch controller from the sysfs.
Suggested-by: Khalid Talash <ktalash@topcon.com>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Link: https://patch.msgid.link/20260123-input-st1232-firmware-version-v1-2-32df7eefdafe@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
authored by
Michael Tretter
and committed by
Dmitry Torokhov
ffcdb685
004703ba
+29
+29
drivers/input/touchscreen/st1232.c
+29
drivers/input/touchscreen/st1232.c
···
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u32 fw_revision;
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};
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static ssize_t fw_version_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct st1232_ts_data *st1232_ts = i2c_get_clientdata(client);
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return sysfs_emit(buf, "%u\n", st1232_ts->fw_version);
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}
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static ssize_t fw_revision_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct st1232_ts_data *st1232_ts = i2c_get_clientdata(client);
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return sysfs_emit(buf, "%08x\n", st1232_ts->fw_revision);
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}
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static DEVICE_ATTR_RO(fw_version);
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static DEVICE_ATTR_RO(fw_revision);
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static struct attribute *st1232_attrs[] = {
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&dev_attr_fw_version.attr,
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&dev_attr_fw_revision.attr,
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NULL,
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};
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ATTRIBUTE_GROUPS(st1232);
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static int st1232_ts_read_data(struct st1232_ts_data *ts, u8 reg,
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unsigned int n)
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{
···
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.driver = {
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.name = ST1232_TS_NAME,
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.of_match_table = st1232_ts_dt_ids,
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.dev_groups = st1232_groups,
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.probe_type = PROBE_PREFER_ASYNCHRONOUS,
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.pm = pm_sleep_ptr(&st1232_ts_pm_ops),
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},