This will give us the opportunity to easily implement extra features
for new devices.
Signed-off-by: Tolga Cakir <[email protected]>
---
drivers/hid/hid-microsoft.c | 44 ++++++++++++++++++++++++++++----------------
1 file changed, 28 insertions(+), 16 deletions(-)
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index 6fd5817..0a61403 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -30,23 +30,28 @@
#define MS_DUPLICATE_USAGES 0x20
#define MS_RDESC_3K 0x40
+struct ms_data {
+ unsigned long quirks;
+ void *extra;
+};
+
static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
- unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+ struct ms_data *sc = hid_get_drvdata(hdev);
/*
* Microsoft Wireless Desktop Receiver (Model 1028) has
* 'Usage Min/Max' where it ought to have 'Physical Min/Max'
*/
- if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
+ if ((sc->quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
rdesc[559] == 0x29) {
hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
rdesc[557] = 0x35;
rdesc[559] = 0x45;
}
/* the same as above (s/usage/physical/) */
- if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
+ if ((sc->quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
rdesc[97] == 0xff) {
rdesc[94] = 0x35;
@@ -142,15 +147,15 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
- unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+ struct ms_data *sc = hid_get_drvdata(hdev);
- if (quirks & MS_ERGONOMY) {
+ if (sc->quirks & MS_ERGONOMY) {
int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
if (ret)
return ret;
}
- if ((quirks & MS_PRESENTER) &&
+ if ((sc->quirks & MS_PRESENTER) &&
ms_presenter_8k_quirk(hi, usage, bit, max))
return 1;
@@ -161,9 +166,9 @@ static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
- unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+ struct ms_data *sc = hid_get_drvdata(hdev);
- if (quirks & MS_DUPLICATE_USAGES)
+ if (sc->quirks & MS_DUPLICATE_USAGES)
clear_bit(usage->code, *bit);
return 0;
@@ -172,7 +177,7 @@ static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
static int ms_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
- unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+ struct ms_data *sc = hid_get_drvdata(hdev);
struct input_dev *input;
if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
@@ -182,7 +187,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
input = field->hidinput->input;
/* Handling MS keyboards special buttons */
- if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
+ if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
/* Special keypad keys */
input_report_key(input, KEY_KPEQUAL, value & 0x01);
input_report_key(input, KEY_KPLEFTPAREN, value & 0x02);
@@ -190,7 +195,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
return 1;
}
- if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
+ if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
/* Scroll wheel */
int step = ((value & 0x60) >> 5) + 1;
@@ -205,7 +210,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
return 1;
}
- if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
+ if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
static unsigned int last_key = 0;
unsigned int key = 0;
switch (value) {
@@ -229,12 +234,19 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
- unsigned long quirks = id->driver_data;
+ struct ms_data *sc;
int ret;
- hid_set_drvdata(hdev, (void *)quirks);
+ sc = devm_kzalloc(&hdev->dev, sizeof(struct ms_data), GFP_KERNEL);
+ if (!sc) {
+ hid_err(hdev, "can't alloc microsoft descriptor\n");
+ return -ENOMEM;
+ }
+
+ sc->quirks = id->driver_data;
+ hid_set_drvdata(hdev, sc);
- if (quirks & MS_NOGET)
+ if (sc->quirks & MS_NOGET)
hdev->quirks |= HID_QUIRK_NOGET;
ret = hid_parse(hdev);
@@ -243,7 +255,7 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
goto err_free;
}
- ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ?
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((sc->quirks & MS_HIDINPUT) ?
HID_CONNECT_HIDINPUT_FORCE : 0));
if (ret) {
hid_err(hdev, "hw start failed\n");
--
1.9.1
On Fri, Apr 4, 2014 at 1:06 PM, Tolga Cakir <[email protected]> wrote:
> This will give us the opportunity to easily implement extra features
> for new devices.
>
> Signed-off-by: Tolga Cakir <[email protected]>
> ---
> drivers/hid/hid-microsoft.c | 44 ++++++++++++++++++++++++++++----------------
> 1 file changed, 28 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
> index 6fd5817..0a61403 100644
> --- a/drivers/hid/hid-microsoft.c
> +++ b/drivers/hid/hid-microsoft.c
> @@ -30,23 +30,28 @@
> #define MS_DUPLICATE_USAGES 0x20
> #define MS_RDESC_3K 0x40
>
> +struct ms_data {
> + unsigned long quirks;
> + void *extra;
I do not like having a void * pointer in this kind of struct,
especially when it is not used in the current patch.
Please remove it in v2
> +};
> +
> static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
> unsigned int *rsize)
> {
> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
> + struct ms_data *sc = hid_get_drvdata(hdev);
>
> /*
> * Microsoft Wireless Desktop Receiver (Model 1028) has
> * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
> */
> - if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
> + if ((sc->quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
> rdesc[559] == 0x29) {
> hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
> rdesc[557] = 0x35;
> rdesc[559] = 0x45;
> }
> /* the same as above (s/usage/physical/) */
> - if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
> + if ((sc->quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
> rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
> rdesc[97] == 0xff) {
> rdesc[94] = 0x35;
> @@ -142,15 +147,15 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
> struct hid_field *field, struct hid_usage *usage,
> unsigned long **bit, int *max)
> {
> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
> + struct ms_data *sc = hid_get_drvdata(hdev);
>
> - if (quirks & MS_ERGONOMY) {
> + if (sc->quirks & MS_ERGONOMY) {
> int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
> if (ret)
> return ret;
> }
>
> - if ((quirks & MS_PRESENTER) &&
> + if ((sc->quirks & MS_PRESENTER) &&
> ms_presenter_8k_quirk(hi, usage, bit, max))
> return 1;
>
> @@ -161,9 +166,9 @@ static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
> struct hid_field *field, struct hid_usage *usage,
> unsigned long **bit, int *max)
> {
> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
> + struct ms_data *sc = hid_get_drvdata(hdev);
>
> - if (quirks & MS_DUPLICATE_USAGES)
> + if (sc->quirks & MS_DUPLICATE_USAGES)
> clear_bit(usage->code, *bit);
>
> return 0;
> @@ -172,7 +177,7 @@ static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
> static int ms_event(struct hid_device *hdev, struct hid_field *field,
> struct hid_usage *usage, __s32 value)
> {
> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
> + struct ms_data *sc = hid_get_drvdata(hdev);
> struct input_dev *input;
>
> if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
> @@ -182,7 +187,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
> input = field->hidinput->input;
>
> /* Handling MS keyboards special buttons */
> - if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
> + if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
> /* Special keypad keys */
> input_report_key(input, KEY_KPEQUAL, value & 0x01);
> input_report_key(input, KEY_KPLEFTPAREN, value & 0x02);
> @@ -190,7 +195,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
> return 1;
> }
>
> - if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
> + if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
> /* Scroll wheel */
> int step = ((value & 0x60) >> 5) + 1;
>
> @@ -205,7 +210,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
> return 1;
> }
>
> - if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
> + if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
> static unsigned int last_key = 0;
> unsigned int key = 0;
> switch (value) {
> @@ -229,12 +234,19 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
>
> static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
> {
> - unsigned long quirks = id->driver_data;
> + struct ms_data *sc;
> int ret;
>
> - hid_set_drvdata(hdev, (void *)quirks);
> + sc = devm_kzalloc(&hdev->dev, sizeof(struct ms_data), GFP_KERNEL);
> + if (!sc) {
> + hid_err(hdev, "can't alloc microsoft descriptor\n");
How about: "Can not allocate microsoft data"?
I have no idea where this "descriptor" comes from.
Besides these two nitpicks, the rest of the patch is:
Reviewed-by: Benjamin Tissoires <[email protected]>
Cheers,
Benjamin
> + return -ENOMEM;
> + }
> +
> + sc->quirks = id->driver_data;
> + hid_set_drvdata(hdev, sc);
>
> - if (quirks & MS_NOGET)
> + if (sc->quirks & MS_NOGET)
> hdev->quirks |= HID_QUIRK_NOGET;
>
> ret = hid_parse(hdev);
> @@ -243,7 +255,7 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
> goto err_free;
> }
>
> - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ?
> + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((sc->quirks & MS_HIDINPUT) ?
> HID_CONNECT_HIDINPUT_FORCE : 0));
> if (ret) {
> hid_err(hdev, "hw start failed\n");
> --
> 1.9.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
Am 09.04.2014 22:40, schrieb Benjamin Tissoires:
> On Fri, Apr 4, 2014 at 1:06 PM, Tolga Cakir <[email protected]> wrote:
>> This will give us the opportunity to easily implement extra features
>> for new devices.
>>
>> Signed-off-by: Tolga Cakir <[email protected]>
>> ---
>> drivers/hid/hid-microsoft.c | 44 ++++++++++++++++++++++++++++----------------
>> 1 file changed, 28 insertions(+), 16 deletions(-)
>>
>> diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
>> index 6fd5817..0a61403 100644
>> --- a/drivers/hid/hid-microsoft.c
>> +++ b/drivers/hid/hid-microsoft.c
>> @@ -30,23 +30,28 @@
>> #define MS_DUPLICATE_USAGES 0x20
>> #define MS_RDESC_3K 0x40
>>
>> +struct ms_data {
>> + unsigned long quirks;
>> + void *extra;
> I do not like having a void * pointer in this kind of struct,
> especially when it is not used in the current patch.
> Please remove it in v2
Hi Benjamin, thank you for the review!
Yes you're right, I will change that in v2.
>> +};
>> +
>> static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
>> unsigned int *rsize)
>> {
>> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
>> + struct ms_data *sc = hid_get_drvdata(hdev);
>>
>> /*
>> * Microsoft Wireless Desktop Receiver (Model 1028) has
>> * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
>> */
>> - if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
>> + if ((sc->quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
>> rdesc[559] == 0x29) {
>> hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
>> rdesc[557] = 0x35;
>> rdesc[559] = 0x45;
>> }
>> /* the same as above (s/usage/physical/) */
>> - if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
>> + if ((sc->quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
>> rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
>> rdesc[97] == 0xff) {
>> rdesc[94] = 0x35;
>> @@ -142,15 +147,15 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
>> struct hid_field *field, struct hid_usage *usage,
>> unsigned long **bit, int *max)
>> {
>> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
>> + struct ms_data *sc = hid_get_drvdata(hdev);
>>
>> - if (quirks & MS_ERGONOMY) {
>> + if (sc->quirks & MS_ERGONOMY) {
>> int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
>> if (ret)
>> return ret;
>> }
>>
>> - if ((quirks & MS_PRESENTER) &&
>> + if ((sc->quirks & MS_PRESENTER) &&
>> ms_presenter_8k_quirk(hi, usage, bit, max))
>> return 1;
>>
>> @@ -161,9 +166,9 @@ static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
>> struct hid_field *field, struct hid_usage *usage,
>> unsigned long **bit, int *max)
>> {
>> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
>> + struct ms_data *sc = hid_get_drvdata(hdev);
>>
>> - if (quirks & MS_DUPLICATE_USAGES)
>> + if (sc->quirks & MS_DUPLICATE_USAGES)
>> clear_bit(usage->code, *bit);
>>
>> return 0;
>> @@ -172,7 +177,7 @@ static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi,
>> static int ms_event(struct hid_device *hdev, struct hid_field *field,
>> struct hid_usage *usage, __s32 value)
>> {
>> - unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
>> + struct ms_data *sc = hid_get_drvdata(hdev);
>> struct input_dev *input;
>>
>> if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
>> @@ -182,7 +187,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
>> input = field->hidinput->input;
>>
>> /* Handling MS keyboards special buttons */
>> - if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
>> + if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) {
>> /* Special keypad keys */
>> input_report_key(input, KEY_KPEQUAL, value & 0x01);
>> input_report_key(input, KEY_KPLEFTPAREN, value & 0x02);
>> @@ -190,7 +195,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
>> return 1;
>> }
>>
>> - if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
>> + if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) {
>> /* Scroll wheel */
>> int step = ((value & 0x60) >> 5) + 1;
>>
>> @@ -205,7 +210,7 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
>> return 1;
>> }
>>
>> - if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
>> + if (sc->quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
>> static unsigned int last_key = 0;
>> unsigned int key = 0;
>> switch (value) {
>> @@ -229,12 +234,19 @@ static int ms_event(struct hid_device *hdev, struct hid_field *field,
>>
>> static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
>> {
>> - unsigned long quirks = id->driver_data;
>> + struct ms_data *sc;
>> int ret;
>>
>> - hid_set_drvdata(hdev, (void *)quirks);
>> + sc = devm_kzalloc(&hdev->dev, sizeof(struct ms_data), GFP_KERNEL);
>> + if (!sc) {
>> + hid_err(hdev, "can't alloc microsoft descriptor\n");
> How about: "Can not allocate microsoft data"?
>
> I have no idea where this "descriptor" comes from.
>
> Besides these two nitpicks, the rest of the patch is:
> Reviewed-by: Benjamin Tissoires <[email protected]>
>
> Cheers,
> Benjamin
That sounds better, yeah :)! It was quite some time ago, when I came up
with "descriptor".
I remember, that it was due to the "sc" I chose for ms_data.
Unfortunately, I don't remember what "sc" is standing for, but it's also
used in hid-sony. But I'm fine using your suggestion ;)!
>> + return -ENOMEM;
>> + }
>> +
>> + sc->quirks = id->driver_data;
>> + hid_set_drvdata(hdev, sc);
>>
>> - if (quirks & MS_NOGET)
>> + if (sc->quirks & MS_NOGET)
>> hdev->quirks |= HID_QUIRK_NOGET;
>>
>> ret = hid_parse(hdev);
>> @@ -243,7 +255,7 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
>> goto err_free;
>> }
>>
>> - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ?
>> + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((sc->quirks & MS_HIDINPUT) ?
>> HID_CONNECT_HIDINPUT_FORCE : 0));
>> if (ret) {
>> hid_err(hdev, "hw start failed\n");
>> --
>> 1.9.1
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>> the body of a message to [email protected]
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>> Please read the FAQ at http://www.tux.org/lkml/
> --
> To unsubscribe from this list: send the line "unsubscribe linux-input" in
> the body of a message to [email protected]
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