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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-04 04:12:13 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-04 04:12:13 +0400 |
commit | 7f0ef0267e20d62d45d527911a993b1e998f4968 (patch) | |
tree | de51abc7da5903f59d83e23937f22420164c9477 /drivers/rtc/rtc-hid-sensor-time.c | |
parent | 862f0012549110d6f2586bf54b52ed4540cbff3a (diff) | |
parent | 9307c29524502c21f0e8a6d96d850b2f5bc0bd9a (diff) | |
download | linux-7f0ef0267e20d62d45d527911a993b1e998f4968.tar.xz |
Merge branch 'akpm' (updates from Andrew Morton)
Merge first patch-bomb from Andrew Morton:
- various misc bits
- I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been
distracted. There has been quite a bit of activity.
- About half the MM queue
- Some backlight bits
- Various lib/ updates
- checkpatch updates
- zillions more little rtc patches
- ptrace
- signals
- exec
- procfs
- rapidio
- nbd
- aoe
- pps
- memstick
- tools/testing/selftests updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits)
tools/testing/selftests: don't assume the x bit is set on scripts
selftests: add .gitignore for kcmp
selftests: fix clean target in kcmp Makefile
selftests: add .gitignore for vm
selftests: add hugetlbfstest
self-test: fix make clean
selftests: exit 1 on failure
kernel/resource.c: remove the unneeded assignment in function __find_resource
aio: fix wrong comment in aio_complete()
drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode
drivers/memstick/host/r592.c: convert to module_pci_driver
drivers/memstick/host/jmb38x_ms: convert to module_pci_driver
pps-gpio: add device-tree binding and support
drivers/pps/clients/pps-gpio.c: convert to module_platform_driver
drivers/pps/clients/pps-gpio.c: convert to devm_* helpers
drivers/parport/share.c: use kzalloc
Documentation/accounting/getdelays.c: avoid strncpy in accounting tool
aoe: update internal version number to v83
aoe: update copyright date
aoe: perform I/O completions in parallel
...
Diffstat (limited to 'drivers/rtc/rtc-hid-sensor-time.c')
-rw-r--r-- | drivers/rtc/rtc-hid-sensor-time.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/drivers/rtc/rtc-hid-sensor-time.c b/drivers/rtc/rtc-hid-sensor-time.c index 63024505dddc..7273b0139e5c 100644 --- a/drivers/rtc/rtc-hid-sensor-time.c +++ b/drivers/rtc/rtc-hid-sensor-time.c @@ -76,6 +76,20 @@ static int hid_time_proc_event(struct hid_sensor_hub_device *hsdev, return 0; } +static u32 hid_time_value(size_t raw_len, char *raw_data) +{ + switch (raw_len) { + case 1: + return *(u8 *)raw_data; + case 2: + return *(u16 *)raw_data; + case 4: + return *(u32 *)raw_data; + default: + return (u32)(~0U); /* 0xff... or -1 to denote an error */ + } +} + static int hid_time_capture_sample(struct hid_sensor_hub_device *hsdev, unsigned usage_id, size_t raw_len, char *raw_data, void *priv) @@ -85,26 +99,35 @@ static int hid_time_capture_sample(struct hid_sensor_hub_device *hsdev, switch (usage_id) { case HID_USAGE_SENSOR_TIME_YEAR: - time_buf->tm_year = *(u8 *)raw_data; - if (time_buf->tm_year < 70) - /* assume we are in 1970...2069 */ - time_buf->tm_year += 100; + /* + * The draft for HID-sensors (HUTRR39) currently doesn't define + * the range for the year attribute. Therefor we support + * 8 bit (0-99) and 16 or 32 bits (full) as size for the year. + */ + if (raw_len == 1) { + time_buf->tm_year = *(u8 *)raw_data; + if (time_buf->tm_year < 70) + /* assume we are in 1970...2069 */ + time_buf->tm_year += 100; + } else + time_buf->tm_year = + (int)hid_time_value(raw_len, raw_data)-1900; break; case HID_USAGE_SENSOR_TIME_MONTH: - /* sensor sending the month as 1-12, we need 0-11 */ - time_buf->tm_mon = *(u8 *)raw_data-1; + /* sensors are sending the month as 1-12, we need 0-11 */ + time_buf->tm_mon = (int)hid_time_value(raw_len, raw_data)-1; break; case HID_USAGE_SENSOR_TIME_DAY: - time_buf->tm_mday = *(u8 *)raw_data; + time_buf->tm_mday = (int)hid_time_value(raw_len, raw_data); break; case HID_USAGE_SENSOR_TIME_HOUR: - time_buf->tm_hour = *(u8 *)raw_data; + time_buf->tm_hour = (int)hid_time_value(raw_len, raw_data); break; case HID_USAGE_SENSOR_TIME_MINUTE: - time_buf->tm_min = *(u8 *)raw_data; + time_buf->tm_min = (int)hid_time_value(raw_len, raw_data); break; case HID_USAGE_SENSOR_TIME_SECOND: - time_buf->tm_sec = *(u8 *)raw_data; + time_buf->tm_sec = (int)hid_time_value(raw_len, raw_data); break; default: return -EINVAL; @@ -150,9 +173,10 @@ static int hid_time_parse_report(struct platform_device *pdev, "not all needed attributes inside the same report!\n"); return -EINVAL; } - if (time_state->info[i].size != 1) { + if (time_state->info[i].size == 3 || + time_state->info[i].size > 4) { dev_err(&pdev->dev, - "attribute '%s' not 8 bits wide!\n", + "attribute '%s' not 8, 16 or 32 bits wide!\n", hid_time_attrib_name( time_state->info[i].attrib_id)); return -EINVAL; |