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| author | Takashi Iwai <tiwai@suse.de> | 2019-11-25 14:27:33 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-11-25 14:27:41 +0100 |
| commit | 09578eacaaa44149738267083ccc050990409f86 (patch) | |
| tree | cf614ee065fe5479e4638abebe12c9e1578b09d9 /drivers/hid/hid-lg4ff.c | |
| parent | c6b6fc206586cc07a18595d2a3d815a806a057d0 (diff) | |
| parent | 8c4d2a0bfbd27d030e4652b714cd5a1598f3559b (diff) | |
| download | talos-op-linux-09578eacaaa44149738267083ccc050990409f86.tar.gz talos-op-linux-09578eacaaa44149738267083ccc050990409f86.zip | |
Merge tag 'asoc-v5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: More updates for v5.5
Some more development work for v5.5. Highlights include:
- More cleanups from Morimoto-san.
- Trigger word detection for RT5677.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/hid/hid-lg4ff.c')
| -rw-r--r-- | drivers/hid/hid-lg4ff.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 03f0220062ca..5e6a0cef2a06 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -1253,8 +1253,8 @@ static int lg4ff_handle_multimode_wheel(struct hid_device *hid, u16 *real_produc int lg4ff_init(struct hid_device *hid) { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); @@ -1266,6 +1266,13 @@ int lg4ff_init(struct hid_device *hid) int mmode_ret, mmode_idx = -1; u16 real_product_id; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) return -1; |
