* [PATCH] android/avrcp-lib: Use void pointer in register_notification
@ 2015-04-14 13:48 Szymon Janc
2015-04-16 11:24 ` Szymon Janc
0 siblings, 1 reply; 4+ messages in thread
From: Szymon Janc @ 2015-04-14 13:48 UTC (permalink / raw)
To: linux-bluetooth; +Cc: Szymon Janc
In this callback params vary depending on code. Passing those as void*
allows to avoid extra memcpy that would be otherwise needed to
avoid warnings due to increased alignment when casting.
---
android/avrcp-lib.h | 2 +-
android/avrcp.c | 5 +++--
unit/test-avrcp.c | 9 +++++----
3 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
index add7739..6554b12 100644
--- a/android/avrcp-lib.h
+++ b/android/avrcp-lib.h
@@ -224,7 +224,7 @@ struct avrcp_control_cfm {
char **text, void *user_data);
bool (*register_notification) (struct avrcp *session, int err,
uint8_t code, uint8_t event,
- uint8_t *params, void *user_data);
+ void *params, void *user_data);
void (*set_volume) (struct avrcp *session, int err, uint8_t volume,
void *user_data);
void (*set_addressed) (struct avrcp *session, int err,
diff --git a/android/avrcp.c b/android/avrcp.c
index bcb4228..8c3e25a 100644
--- a/android/avrcp.c
+++ b/android/avrcp.c
@@ -748,11 +748,12 @@ static const struct avrcp_control_ind control_ind = {
static bool handle_register_notification_rsp(struct avrcp *session, int err,
uint8_t code, uint8_t event,
- uint8_t *params,
+ void *params,
void *user_data)
{
struct avrcp_device *dev = user_data;
struct hal_ev_avrcp_volume_changed ev;
+ uint8_t *volume = params;
if (err < 0) {
error("AVRCP: %s", strerror(-err));
@@ -766,7 +767,7 @@ static bool handle_register_notification_rsp(struct avrcp *session, int err,
return false;
ev.type = code;
- ev.volume = params[0] & 0x7f;
+ ev.volume = volume[0];
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_AVRCP,
HAL_EV_AVRCP_VOLUME_CHANGED,
diff --git a/unit/test-avrcp.c b/unit/test-avrcp.c
index a610ad5..01307e6 100644
--- a/unit/test-avrcp.c
+++ b/unit/test-avrcp.c
@@ -826,22 +826,23 @@ static void set_volume_rsp(struct avrcp *session, int err, uint8_t volume,
static bool register_notification_rsp(struct avrcp *session, int err,
uint8_t code, uint8_t event,
- uint8_t *params, void *user_data)
+ void *params, void *user_data)
{
struct context *context = user_data;
+ uint8_t *p = params;
g_assert_cmpint(err, ==, 0);
switch (event) {
case AVRCP_EVENT_VOLUME_CHANGED:
if (g_str_equal(context->data->test_name, "/TP/VLH/BV-03-C")) {
- g_assert_cmpint(params[0], ==, 0);
+ g_assert_cmpint(p[0], ==, 0);
break;
} else if (code == AVC_CTYPE_INTERIM) {
- g_assert_cmpint(params[0], ==, 0);
+ g_assert_cmpint(p[0], ==, 0);
return true;
}
- g_assert_cmpint(params[0], ==, 1);
+ g_assert_cmpint(p[0], ==, 1);
break;
}
--
1.9.3
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] android/avrcp-lib: Use void pointer in register_notification
2015-04-14 13:48 [PATCH] android/avrcp-lib: Use void pointer in register_notification Szymon Janc
@ 2015-04-16 11:24 ` Szymon Janc
2015-04-16 14:42 ` Luiz Augusto von Dentz
0 siblings, 1 reply; 4+ messages in thread
From: Szymon Janc @ 2015-04-16 11:24 UTC (permalink / raw)
To: linux-bluetooth
On Tuesday 14 of April 2015 15:48:35 Szymon Janc wrote:
> In this callback params vary depending on code. Passing those as void*
> allows to avoid extra memcpy that would be otherwise needed to
> avoid warnings due to increased alignment when casting.
> ---
> android/avrcp-lib.h | 2 +-
> android/avrcp.c | 5 +++--
> unit/test-avrcp.c | 9 +++++----
> 3 files changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
> index add7739..6554b12 100644
> --- a/android/avrcp-lib.h
> +++ b/android/avrcp-lib.h
> @@ -224,7 +224,7 @@ struct avrcp_control_cfm {
> char **text, void *user_data);
> bool (*register_notification) (struct avrcp *session, int err,
> uint8_t code, uint8_t event,
> - uint8_t *params, void *user_data);
> + void *params, void *user_data);
> void (*set_volume) (struct avrcp *session, int err, uint8_t volume,
> void *user_data);
> void (*set_addressed) (struct avrcp *session, int err,
> diff --git a/android/avrcp.c b/android/avrcp.c
> index bcb4228..8c3e25a 100644
> --- a/android/avrcp.c
> +++ b/android/avrcp.c
> @@ -748,11 +748,12 @@ static const struct avrcp_control_ind control_ind = {
>
> static bool handle_register_notification_rsp(struct avrcp *session, int
> err, uint8_t code, uint8_t event,
> - uint8_t *params,
> + void *params,
> void *user_data)
> {
> struct avrcp_device *dev = user_data;
> struct hal_ev_avrcp_volume_changed ev;
> + uint8_t *volume = params;
>
> if (err < 0) {
> error("AVRCP: %s", strerror(-err));
> @@ -766,7 +767,7 @@ static bool handle_register_notification_rsp(struct
> avrcp *session, int err, return false;
>
> ev.type = code;
> - ev.volume = params[0] & 0x7f;
> + ev.volume = volume[0];
>
> ipc_send_notif(hal_ipc, HAL_SERVICE_ID_AVRCP,
> HAL_EV_AVRCP_VOLUME_CHANGED,
> diff --git a/unit/test-avrcp.c b/unit/test-avrcp.c
> index a610ad5..01307e6 100644
> --- a/unit/test-avrcp.c
> +++ b/unit/test-avrcp.c
> @@ -826,22 +826,23 @@ static void set_volume_rsp(struct avrcp *session, int
> err, uint8_t volume,
>
> static bool register_notification_rsp(struct avrcp *session, int err,
> uint8_t code, uint8_t event,
> - uint8_t *params, void *user_data)
> + void *params, void *user_data)
> {
> struct context *context = user_data;
> + uint8_t *p = params;
>
> g_assert_cmpint(err, ==, 0);
>
> switch (event) {
> case AVRCP_EVENT_VOLUME_CHANGED:
> if (g_str_equal(context->data->test_name, "/TP/VLH/BV-03-C")) {
> - g_assert_cmpint(params[0], ==, 0);
> + g_assert_cmpint(p[0], ==, 0);
> break;
> } else if (code == AVC_CTYPE_INTERIM) {
> - g_assert_cmpint(params[0], ==, 0);
> + g_assert_cmpint(p[0], ==, 0);
> return true;
> }
> - g_assert_cmpint(params[0], ==, 1);
> + g_assert_cmpint(p[0], ==, 1);
> break;
> }
Applied.
--
BR
Szymon Janc
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] android/avrcp-lib: Use void pointer in register_notification
2015-04-16 11:24 ` Szymon Janc
@ 2015-04-16 14:42 ` Luiz Augusto von Dentz
2015-04-16 14:47 ` Szymon Janc
0 siblings, 1 reply; 4+ messages in thread
From: Luiz Augusto von Dentz @ 2015-04-16 14:42 UTC (permalink / raw)
To: Szymon Janc; +Cc: linux-bluetooth
Hi Szymon,
On Thu, Apr 16, 2015 at 2:24 PM, Szymon Janc <szymon.janc@tieto.com> wrote:
> On Tuesday 14 of April 2015 15:48:35 Szymon Janc wrote:
>> In this callback params vary depending on code. Passing those as void*
>> allows to avoid extra memcpy that would be otherwise needed to
>> avoid warnings due to increased alignment when casting.
>> ---
>> android/avrcp-lib.h | 2 +-
>> android/avrcp.c | 5 +++--
>> unit/test-avrcp.c | 9 +++++----
>> 3 files changed, 9 insertions(+), 7 deletions(-)
>>
>> diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
>> index add7739..6554b12 100644
>> --- a/android/avrcp-lib.h
>> +++ b/android/avrcp-lib.h
>> @@ -224,7 +224,7 @@ struct avrcp_control_cfm {
>> char **text, void *user_data);
>> bool (*register_notification) (struct avrcp *session, int err,
>> uint8_t code, uint8_t event,
>> - uint8_t *params, void *user_data);
>> + void *params, void *user_data);
>> void (*set_volume) (struct avrcp *session, int err, uint8_t volume,
>> void *user_data);
>> void (*set_addressed) (struct avrcp *session, int err,
>> diff --git a/android/avrcp.c b/android/avrcp.c
>> index bcb4228..8c3e25a 100644
>> --- a/android/avrcp.c
>> +++ b/android/avrcp.c
>> @@ -748,11 +748,12 @@ static const struct avrcp_control_ind control_ind = {
>>
>> static bool handle_register_notification_rsp(struct avrcp *session, int
>> err, uint8_t code, uint8_t event,
>> - uint8_t *params,
>> + void *params,
>> void *user_data)
>> {
>> struct avrcp_device *dev = user_data;
>> struct hal_ev_avrcp_volume_changed ev;
>> + uint8_t *volume = params;
>>
>> if (err < 0) {
>> error("AVRCP: %s", strerror(-err));
>> @@ -766,7 +767,7 @@ static bool handle_register_notification_rsp(struct
>> avrcp *session, int err, return false;
>>
>> ev.type = code;
>> - ev.volume = params[0] & 0x7f;
>> + ev.volume = volume[0];
With the above change we would not ignore the most significant bit.
>> ipc_send_notif(hal_ipc, HAL_SERVICE_ID_AVRCP,
>> HAL_EV_AVRCP_VOLUME_CHANGED,
>> diff --git a/unit/test-avrcp.c b/unit/test-avrcp.c
>> index a610ad5..01307e6 100644
>> --- a/unit/test-avrcp.c
>> +++ b/unit/test-avrcp.c
>> @@ -826,22 +826,23 @@ static void set_volume_rsp(struct avrcp *session, int
>> err, uint8_t volume,
>>
>> static bool register_notification_rsp(struct avrcp *session, int err,
>> uint8_t code, uint8_t event,
>> - uint8_t *params, void *user_data)
>> + void *params, void *user_data)
>> {
>> struct context *context = user_data;
>> + uint8_t *p = params;
>>
>> g_assert_cmpint(err, ==, 0);
>>
>> switch (event) {
>> case AVRCP_EVENT_VOLUME_CHANGED:
>> if (g_str_equal(context->data->test_name, "/TP/VLH/BV-03-C")) {
>> - g_assert_cmpint(params[0], ==, 0);
>> + g_assert_cmpint(p[0], ==, 0);
>> break;
>> } else if (code == AVC_CTYPE_INTERIM) {
>> - g_assert_cmpint(params[0], ==, 0);
>> + g_assert_cmpint(p[0], ==, 0);
>> return true;
>> }
>> - g_assert_cmpint(params[0], ==, 1);
>> + g_assert_cmpint(p[0], ==, 1);
>> break;
>> }
>
> Applied.
>
> --
> BR
> Szymon Janc
> --
> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
Luiz Augusto von Dentz
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] android/avrcp-lib: Use void pointer in register_notification
2015-04-16 14:42 ` Luiz Augusto von Dentz
@ 2015-04-16 14:47 ` Szymon Janc
0 siblings, 0 replies; 4+ messages in thread
From: Szymon Janc @ 2015-04-16 14:47 UTC (permalink / raw)
To: Luiz Augusto von Dentz; +Cc: linux-bluetooth
Hi Luiz,
On Thursday 16 of April 2015 17:42:58 Luiz Augusto von Dentz wrote:
> Hi Szymon,
>
> On Thu, Apr 16, 2015 at 2:24 PM, Szymon Janc <szymon.janc@tieto.com> wrote:
> > On Tuesday 14 of April 2015 15:48:35 Szymon Janc wrote:
> >> In this callback params vary depending on code. Passing those as void*
> >> allows to avoid extra memcpy that would be otherwise needed to
> >> avoid warnings due to increased alignment when casting.
> >> ---
> >>
> >> android/avrcp-lib.h | 2 +-
> >> android/avrcp.c | 5 +++--
> >> unit/test-avrcp.c | 9 +++++----
> >> 3 files changed, 9 insertions(+), 7 deletions(-)
> >>
> >> diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
> >> index add7739..6554b12 100644
> >> --- a/android/avrcp-lib.h
> >> +++ b/android/avrcp-lib.h
> >> @@ -224,7 +224,7 @@ struct avrcp_control_cfm {
> >>
> >> char **text, void *user_data);
> >>
> >> bool (*register_notification) (struct avrcp *session, int err,
> >>
> >> uint8_t code, uint8_t event,
> >>
> >> - uint8_t *params, void *user_data);
> >> + void *params, void *user_data);
> >>
> >> void (*set_volume) (struct avrcp *session, int err, uint8_t volume,
> >>
> >> void *user_data);
> >>
> >> void (*set_addressed) (struct avrcp *session, int err,
> >>
> >> diff --git a/android/avrcp.c b/android/avrcp.c
> >> index bcb4228..8c3e25a 100644
> >> --- a/android/avrcp.c
> >> +++ b/android/avrcp.c
> >> @@ -748,11 +748,12 @@ static const struct avrcp_control_ind control_ind =
> >> {
> >>
> >> static bool handle_register_notification_rsp(struct avrcp *session, int
> >>
> >> err, uint8_t code, uint8_t event,
> >> - uint8_t *params,
> >> + void *params,
> >>
> >> void *user_data)
> >>
> >> {
> >>
> >> struct avrcp_device *dev = user_data;
> >> struct hal_ev_avrcp_volume_changed ev;
> >>
> >> + uint8_t *volume = params;
> >>
> >> if (err < 0) {
> >>
> >> error("AVRCP: %s", strerror(-err));
> >>
> >> @@ -766,7 +767,7 @@ static bool handle_register_notification_rsp(struct
> >> avrcp *session, int err, return false;
> >>
> >> ev.type = code;
> >>
> >> - ev.volume = params[0] & 0x7f;
> >> + ev.volume = volume[0];
>
> With the above change we would not ignore the most significant bit.
This is already done by avrcp-lib. I just didn't bother to fix this in
separate patch since line was changed anyway.
>
> >> ipc_send_notif(hal_ipc, HAL_SERVICE_ID_AVRCP,
> >>
> >> HAL_EV_AVRCP_VOLUME_CHANGED,
> >>
> >> diff --git a/unit/test-avrcp.c b/unit/test-avrcp.c
> >> index a610ad5..01307e6 100644
> >> --- a/unit/test-avrcp.c
> >> +++ b/unit/test-avrcp.c
> >> @@ -826,22 +826,23 @@ static void set_volume_rsp(struct avrcp *session,
> >> int
> >> err, uint8_t volume,
> >>
> >> static bool register_notification_rsp(struct avrcp *session, int err,
> >>
> >> uint8_t code, uint8_t event,
> >>
> >> - uint8_t *params, void *user_data)
> >> + void *params, void *user_data)
> >>
> >> {
> >>
> >> struct context *context = user_data;
> >>
> >> + uint8_t *p = params;
> >>
> >> g_assert_cmpint(err, ==, 0);
> >>
> >> switch (event) {
> >>
> >> case AVRCP_EVENT_VOLUME_CHANGED:
> >> if (g_str_equal(context->data->test_name,
> >> "/TP/VLH/BV-03-C")) {
> >>
> >> - g_assert_cmpint(params[0], ==, 0);
> >> + g_assert_cmpint(p[0], ==, 0);
> >>
> >> break;
> >>
> >> } else if (code == AVC_CTYPE_INTERIM) {
> >>
> >> - g_assert_cmpint(params[0], ==, 0);
> >> + g_assert_cmpint(p[0], ==, 0);
> >>
> >> return true;
> >>
> >> }
> >>
> >> - g_assert_cmpint(params[0], ==, 1);
> >> + g_assert_cmpint(p[0], ==, 1);
> >>
> >> break;
> >>
> >> }
> >
> > Applied.
> >
> > --
> > BR
> > Szymon Janc
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-bluetooth"
> > in the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
--
BR
Szymon Janc
^ permalink raw reply [flat|nested] 4+ messages in thread
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2015-04-14 13:48 [PATCH] android/avrcp-lib: Use void pointer in register_notification Szymon Janc
2015-04-16 11:24 ` Szymon Janc
2015-04-16 14:42 ` Luiz Augusto von Dentz
2015-04-16 14:47 ` Szymon Janc
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