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hidpp20: update the dictionary when writing the profiles

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If the device has never been configured under Windows, the dictionary
of the profiles might be blank. When it is blank, any changes made to
the profiles are ignored by the mouse.
Update a new dictionary if the profile was previously not enabled.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Benjamin Tissoires
2015-11-06 10:43:15 +01:00
parent 8782c5117f
commit 9714ba53f5
1 changed files with 44 additions and 0 deletions
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44
src/hidpp20.c
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@@ -1235,6 +1235,46 @@ hidpp20_onboard_profiles_find_and_read_profile(struct hidpp20_device *device,
return 0;
}
static int
hidpp20_onboard_profiles_enable_profile(struct hidpp20_device *device,
unsigned int index,
struct hidpp20_profiles *profiles_list)
{
unsigned int i, buffer_index = 0;
uint8_t data[HIDPP20_PROFILE_SIZE] = {0};
uint16_t crc;
if (profiles_list->profiles[index].enabled)
return 0;
profiles_list->profiles[index].index = index + 1;
profiles_list->profiles[index].enabled = 0x01;
for (i = 0; i < 3; i++) {
data[buffer_index++] = 0x00;
data[buffer_index++] = i + 1;
data[buffer_index++] = profiles_list->profiles[i].enabled;
data[buffer_index++] = 0x00;
}
data[buffer_index++] = 0xFF;
data[buffer_index++] = 0xFF;
data[buffer_index++] = 0x00;
data[buffer_index++] = 0x00;
memset(data + buffer_index, 0xff, sizeof(data) - buffer_index);
hidpp_log_buf_error(&device->base, "dictionary: ", data, 16);
crc = hidpp20_crc_ccitt(data, sizeof(data) - 2);
data[HIDPP20_PROFILE_SIZE - 2] = (crc >> 8) & 0xff;
data[HIDPP20_PROFILE_SIZE - 1] = crc & 0xff;
return hidpp20_onboard_profiles_write_data(device, 0x00, 0x00, data, sizeof(data));
}
int hidpp20_onboard_profiles_read(struct hidpp20_device *device,
unsigned int index,
struct hidpp20_profiles *profiles_list)
@@ -1310,6 +1350,10 @@ int hidpp20_onboard_profiles_write(struct hidpp20_device *device,
if (rc < 0)
return rc;
rc = hidpp20_onboard_profiles_enable_profile(device, index, profiles_list);
if (rc < 0)
return rc;
data[0] = 1000 / profile->report_rate;
data[1] = profile->default_dpi;
data[2] = profile->switched_dpi;