* [RFC PATCH 1/2] iio: Add channel for Gravity @ 2016-12-07 10:14 Song Hongyan 2016-12-07 10:14 ` [RFC PATCH 2/2] iio: Add gravity sensor support Song Hongyan 2016-12-30 10:09 ` [RFC PATCH 1/2] iio: Add channel for Gravity Jonathan Cameron 0 siblings, 2 replies; 5+ messages in thread From: Song Hongyan @ 2016-12-07 10:14 UTC (permalink / raw) To: linux-iio; +Cc: jic23, jikos, srinivas.pandruvada, Song Hongyan Add new channel types support for gravity sensor. Signed-off-by: Song Hongyan <hongyan.song@intel.com> --- Documentation/ABI/testing/sysfs-bus-iio | 11 +++++++++++ drivers/iio/industrialio-core.c | 1 + include/uapi/linux/iio/types.h | 1 + tools/iio/iio_event_monitor.c | 2 ++ 4 files changed, 15 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index fee35c0..60b7406 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -170,6 +170,17 @@ Description: Has all of the equivalent parameters as per voltageY. Units after application of scale and offset are m/s^2. + +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Gravity in direction x, y or z (may be arbitrarily assigned + but should match other such assignments on device). + Units after application of scale and offset are m/s^2. + What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index fc340ed..72fc96a 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -81,6 +81,7 @@ struct bus_type iio_bus_type = { [IIO_PH] = "ph", [IIO_UVINDEX] = "uvindex", [IIO_ELECTRICALCONDUCTIVITY] = "electricalconductivity", + [IIO_GRAVITY] = "gravity", }; static const char * const iio_modifier_names[] = { diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index 22e5e58..d3f7ba7 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -40,6 +40,7 @@ enum iio_chan_type { IIO_PH, IIO_UVINDEX, IIO_ELECTRICALCONDUCTIVITY, + IIO_GRAVITY, }; enum iio_modifier { diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index d9b7e0f..b61245e 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -57,6 +57,7 @@ [IIO_RESISTANCE] = "resistance", [IIO_PH] = "ph", [IIO_UVINDEX] = "uvindex", + [IIO_GRAVITY] = "gravity", }; static const char * const iio_ev_type_text[] = { @@ -149,6 +150,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_RESISTANCE: case IIO_PH: case IIO_UVINDEX: + case IIO_GRAVITY: break; default: return false; -- 1.9.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* [RFC PATCH 2/2] iio: Add gravity sensor support 2016-12-07 10:14 [RFC PATCH 1/2] iio: Add channel for Gravity Song Hongyan @ 2016-12-07 10:14 ` Song Hongyan 2016-12-30 10:28 ` Jonathan Cameron 2016-12-30 10:09 ` [RFC PATCH 1/2] iio: Add channel for Gravity Jonathan Cameron 1 sibling, 1 reply; 5+ messages in thread From: Song Hongyan @ 2016-12-07 10:14 UTC (permalink / raw) To: linux-iio; +Cc: jic23, jikos, srinivas.pandruvada, Song Hongyan Gravity sensor and accelerometer have similar channels and share channel usage ids. So the most of the code for accel_3d can be reused. Signed-off-by: Song Hongyan <hongyan.song@intel.com> --- drivers/iio/accel/hid-sensor-accel-3d.c | 74 +++++++++++++++++++++++++++------ include/linux/hid-sensor-ids.h | 3 ++ 2 files changed, 64 insertions(+), 13 deletions(-) diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index ab1e238..9edd574 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -90,6 +90,41 @@ struct accel_3d_state { } }; +/* Channel definitions */ +static const struct iio_chan_spec gravity_channels[] = { + { + .type = IIO_GRAVITY, + .modified = 1, + .channel2 = IIO_MOD_X, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), + .scan_index = CHANNEL_SCAN_INDEX_X, + }, { + .type = IIO_GRAVITY, + .modified = 1, + .channel2 = IIO_MOD_Y, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), + .scan_index = CHANNEL_SCAN_INDEX_Y, + }, { + .type = IIO_GRAVITY, + .modified = 1, + .channel2 = IIO_MOD_Z, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS), + .scan_index = CHANNEL_SCAN_INDEX_Z, + } +}; + /* Adjust channel real bits based on report descriptor */ static void accel_3d_adjust_channel_bit_mask(struct iio_chan_spec *channels, int channel, int size) @@ -111,6 +146,8 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, int report_id = -1; u32 address; int ret_type; + struct hid_sensor_hub_device *hsdev = + accel_state->common_attributes.hsdev; *val = 0; *val2 = 0; @@ -122,8 +159,7 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, if (report_id >= 0) *val = sensor_hub_input_attr_get_raw_value( accel_state->common_attributes.hsdev, - HID_USAGE_SENSOR_ACCEL_3D, address, - report_id, + hsdev->usage, address, report_id, SENSOR_HUB_SYNC); else { *val = 0; @@ -272,7 +308,7 @@ static int accel_3d_parse_report(struct platform_device *pdev, st->accel[2].index, st->accel[2].report_id); st->scale_precision = hid_sensor_format_scale( - HID_USAGE_SENSOR_ACCEL_3D, + hsdev->usage, &st->accel[CHANNEL_SCAN_INDEX_X], &st->scale_pre_decml, &st->scale_post_decml); @@ -295,9 +331,12 @@ static int accel_3d_parse_report(struct platform_device *pdev, static int hid_accel_3d_probe(struct platform_device *pdev) { int ret = 0; - static const char *name = "accel_3d"; + static const char *name; struct iio_dev *indio_dev; struct accel_3d_state *accel_state; + const struct iio_chan_spec *channel_spec; + int channel_size; + struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; indio_dev = devm_iio_device_alloc(&pdev->dev, @@ -311,24 +350,30 @@ static int hid_accel_3d_probe(struct platform_device *pdev) accel_state->common_attributes.hsdev = hsdev; accel_state->common_attributes.pdev = pdev; - ret = hid_sensor_parse_common_attributes(hsdev, - HID_USAGE_SENSOR_ACCEL_3D, + if (hsdev->usage == HID_USAGE_SENSOR_ACCEL_3D) { + name = "accel_3d"; + channel_spec = accel_3d_channels; + channel_size = sizeof(accel_3d_channels); + } else { + name = "gravity"; + channel_spec = gravity_channels; + channel_size = sizeof(gravity_channels); + } + ret = hid_sensor_parse_common_attributes(hsdev, hsdev->usage, &accel_state->common_attributes); if (ret) { dev_err(&pdev->dev, "failed to setup common attributes\n"); return ret; } + indio_dev->channels = kmemdup(channel_spec, channel_size, GFP_KERNEL); - indio_dev->channels = kmemdup(accel_3d_channels, - sizeof(accel_3d_channels), GFP_KERNEL); if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; } - ret = accel_3d_parse_report(pdev, hsdev, - (struct iio_chan_spec *)indio_dev->channels, - HID_USAGE_SENSOR_ACCEL_3D, accel_state); + (struct iio_chan_spec *)indio_dev->channels, + hsdev->usage, accel_state); if (ret) { dev_err(&pdev->dev, "failed to setup attributes\n"); goto error_free_dev_mem; @@ -363,7 +408,7 @@ static int hid_accel_3d_probe(struct platform_device *pdev) accel_state->callbacks.send_event = accel_3d_proc_event; accel_state->callbacks.capture_sample = accel_3d_capture_sample; accel_state->callbacks.pdev = pdev; - ret = sensor_hub_register_callback(hsdev, HID_USAGE_SENSOR_ACCEL_3D, + ret = sensor_hub_register_callback(hsdev, hsdev->usage, &accel_state->callbacks); if (ret < 0) { dev_err(&pdev->dev, "callback reg failed\n"); @@ -390,7 +435,7 @@ static int hid_accel_3d_remove(struct platform_device *pdev) struct iio_dev *indio_dev = platform_get_drvdata(pdev); struct accel_3d_state *accel_state = iio_priv(indio_dev); - sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_ACCEL_3D); + sensor_hub_remove_callback(hsdev, hsdev->usage); iio_device_unregister(indio_dev); hid_sensor_remove_trigger(&accel_state->common_attributes); iio_triggered_buffer_cleanup(indio_dev); @@ -404,6 +449,9 @@ static int hid_accel_3d_remove(struct platform_device *pdev) /* Format: HID-SENSOR-usage_id_in_hex_lowercase */ .name = "HID-SENSOR-200073", }, + { /* gravity sensor */ + .name = "HID-SENSOR-20007b", + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(platform, hid_accel_3d_ids); diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index f2ee90a..b6778fd2 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -52,6 +52,9 @@ #define HID_USAGE_SENSOR_ANGL_VELOCITY_Y_AXIS 0x200458 #define HID_USAGE_SENSOR_ANGL_VELOCITY_Z_AXIS 0x200459 +/* Gravity vector */ +#define HID_USAGE_SENSOR_GRAVITY_VECTOR 0x20007B + /* ORIENTATION: Compass 3D: (200083) */ #define HID_USAGE_SENSOR_COMPASS_3D 0x200083 #define HID_USAGE_SENSOR_DATA_ORIENTATION 0x200470 -- 1.9.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [RFC PATCH 2/2] iio: Add gravity sensor support 2016-12-07 10:14 ` [RFC PATCH 2/2] iio: Add gravity sensor support Song Hongyan @ 2016-12-30 10:28 ` Jonathan Cameron 2016-12-30 17:27 ` Pandruvada, Srinivas 0 siblings, 1 reply; 5+ messages in thread From: Jonathan Cameron @ 2016-12-30 10:28 UTC (permalink / raw) To: Song Hongyan, linux-iio; +Cc: jikos, srinivas.pandruvada On 07/12/16 10:14, Song Hongyan wrote: > Gravity sensor and accelerometer have similar channels and > share channel usage ids. So the most of the code for accel_3d > can be reused. I would like to have seen a reference to the source for the IDs in here. Took me a little while to confirm these were no officially assigned (rather than in the reserved space). I found them in: http://www.usb.org/developers/hidpage/HUTRR59_-_Usages_for_Wearables.pdf Also, perhaps a reference to a device that supports this? Would be useful to give us an idea of how new it is for the purposes of distribution kernel back ports etc. I'd also like an Ack for this from Srinivas if possible. These are computed values presumably using various other sensors to separate out the gravity - I guess putting it in the acceleration modules makes sense rather than anywhere else. So looks fine to me. Only real request for future on this sort of patch is to provide a little more background information. Thanks, Jonathan > > Signed-off-by: Song Hongyan <hongyan.song@intel.com> > --- > drivers/iio/accel/hid-sensor-accel-3d.c | 74 +++++++++++++++++++++++++++------ > include/linux/hid-sensor-ids.h | 3 ++ > 2 files changed, 64 insertions(+), 13 deletions(-) > > diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c > index ab1e238..9edd574 100644 > --- a/drivers/iio/accel/hid-sensor-accel-3d.c > +++ b/drivers/iio/accel/hid-sensor-accel-3d.c > @@ -90,6 +90,41 @@ struct accel_3d_state { > } > }; > > +/* Channel definitions */ > +static const struct iio_chan_spec gravity_channels[] = { > + { > + .type = IIO_GRAVITY, > + .modified = 1, > + .channel2 = IIO_MOD_X, > + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), > + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | > + BIT(IIO_CHAN_INFO_SCALE) | > + BIT(IIO_CHAN_INFO_SAMP_FREQ) | > + BIT(IIO_CHAN_INFO_HYSTERESIS), > + .scan_index = CHANNEL_SCAN_INDEX_X, > + }, { > + .type = IIO_GRAVITY, > + .modified = 1, > + .channel2 = IIO_MOD_Y, > + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), > + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | > + BIT(IIO_CHAN_INFO_SCALE) | > + BIT(IIO_CHAN_INFO_SAMP_FREQ) | > + BIT(IIO_CHAN_INFO_HYSTERESIS), > + .scan_index = CHANNEL_SCAN_INDEX_Y, > + }, { > + .type = IIO_GRAVITY, > + .modified = 1, > + .channel2 = IIO_MOD_Z, > + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), > + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | > + BIT(IIO_CHAN_INFO_SCALE) | > + BIT(IIO_CHAN_INFO_SAMP_FREQ) | > + BIT(IIO_CHAN_INFO_HYSTERESIS), > + .scan_index = CHANNEL_SCAN_INDEX_Z, > + } > +}; > + > /* Adjust channel real bits based on report descriptor */ > static void accel_3d_adjust_channel_bit_mask(struct iio_chan_spec *channels, > int channel, int size) > @@ -111,6 +146,8 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, > int report_id = -1; > u32 address; > int ret_type; > + struct hid_sensor_hub_device *hsdev = > + accel_state->common_attributes.hsdev; > > *val = 0; > *val2 = 0; > @@ -122,8 +159,7 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, > if (report_id >= 0) > *val = sensor_hub_input_attr_get_raw_value( > accel_state->common_attributes.hsdev, > - HID_USAGE_SENSOR_ACCEL_3D, address, > - report_id, > + hsdev->usage, address, report_id, > SENSOR_HUB_SYNC); > else { > *val = 0; > @@ -272,7 +308,7 @@ static int accel_3d_parse_report(struct platform_device *pdev, > st->accel[2].index, st->accel[2].report_id); > > st->scale_precision = hid_sensor_format_scale( > - HID_USAGE_SENSOR_ACCEL_3D, > + hsdev->usage, > &st->accel[CHANNEL_SCAN_INDEX_X], > &st->scale_pre_decml, &st->scale_post_decml); > > @@ -295,9 +331,12 @@ static int accel_3d_parse_report(struct platform_device *pdev, > static int hid_accel_3d_probe(struct platform_device *pdev) > { > int ret = 0; > - static const char *name = "accel_3d"; > + static const char *name; > struct iio_dev *indio_dev; > struct accel_3d_state *accel_state; > + const struct iio_chan_spec *channel_spec; > + int channel_size; > + > struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; > > indio_dev = devm_iio_device_alloc(&pdev->dev, > @@ -311,24 +350,30 @@ static int hid_accel_3d_probe(struct platform_device *pdev) > accel_state->common_attributes.hsdev = hsdev; > accel_state->common_attributes.pdev = pdev; > > - ret = hid_sensor_parse_common_attributes(hsdev, > - HID_USAGE_SENSOR_ACCEL_3D, > + if (hsdev->usage == HID_USAGE_SENSOR_ACCEL_3D) { > + name = "accel_3d"; > + channel_spec = accel_3d_channels; > + channel_size = sizeof(accel_3d_channels); > + } else { > + name = "gravity"; > + channel_spec = gravity_channels; > + channel_size = sizeof(gravity_channels); > + } > + ret = hid_sensor_parse_common_attributes(hsdev, hsdev->usage, > &accel_state->common_attributes); > if (ret) { > dev_err(&pdev->dev, "failed to setup common attributes\n"); > return ret; > } > + indio_dev->channels = kmemdup(channel_spec, channel_size, GFP_KERNEL); > > - indio_dev->channels = kmemdup(accel_3d_channels, > - sizeof(accel_3d_channels), GFP_KERNEL); > if (!indio_dev->channels) { > dev_err(&pdev->dev, "failed to duplicate channels\n"); > return -ENOMEM; > } > - > ret = accel_3d_parse_report(pdev, hsdev, > - (struct iio_chan_spec *)indio_dev->channels, > - HID_USAGE_SENSOR_ACCEL_3D, accel_state); > + (struct iio_chan_spec *)indio_dev->channels, > + hsdev->usage, accel_state); > if (ret) { > dev_err(&pdev->dev, "failed to setup attributes\n"); > goto error_free_dev_mem; > @@ -363,7 +408,7 @@ static int hid_accel_3d_probe(struct platform_device *pdev) > accel_state->callbacks.send_event = accel_3d_proc_event; > accel_state->callbacks.capture_sample = accel_3d_capture_sample; > accel_state->callbacks.pdev = pdev; > - ret = sensor_hub_register_callback(hsdev, HID_USAGE_SENSOR_ACCEL_3D, > + ret = sensor_hub_register_callback(hsdev, hsdev->usage, > &accel_state->callbacks); > if (ret < 0) { > dev_err(&pdev->dev, "callback reg failed\n"); > @@ -390,7 +435,7 @@ static int hid_accel_3d_remove(struct platform_device *pdev) > struct iio_dev *indio_dev = platform_get_drvdata(pdev); > struct accel_3d_state *accel_state = iio_priv(indio_dev); > > - sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_ACCEL_3D); > + sensor_hub_remove_callback(hsdev, hsdev->usage); > iio_device_unregister(indio_dev); > hid_sensor_remove_trigger(&accel_state->common_attributes); > iio_triggered_buffer_cleanup(indio_dev); > @@ -404,6 +449,9 @@ static int hid_accel_3d_remove(struct platform_device *pdev) > /* Format: HID-SENSOR-usage_id_in_hex_lowercase */ > .name = "HID-SENSOR-200073", > }, > + { /* gravity sensor */ > + .name = "HID-SENSOR-20007b", > + }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(platform, hid_accel_3d_ids); > diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h > index f2ee90a..b6778fd2 100644 > --- a/include/linux/hid-sensor-ids.h > +++ b/include/linux/hid-sensor-ids.h > @@ -52,6 +52,9 @@ > #define HID_USAGE_SENSOR_ANGL_VELOCITY_Y_AXIS 0x200458 > #define HID_USAGE_SENSOR_ANGL_VELOCITY_Z_AXIS 0x200459 > > +/* Gravity vector */ > +#define HID_USAGE_SENSOR_GRAVITY_VECTOR 0x20007B > + > /* ORIENTATION: Compass 3D: (200083) */ > #define HID_USAGE_SENSOR_COMPASS_3D 0x200083 > #define HID_USAGE_SENSOR_DATA_ORIENTATION 0x200470 > ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [RFC PATCH 2/2] iio: Add gravity sensor support 2016-12-30 10:28 ` Jonathan Cameron @ 2016-12-30 17:27 ` Pandruvada, Srinivas 0 siblings, 0 replies; 5+ messages in thread From: Pandruvada, Srinivas @ 2016-12-30 17:27 UTC (permalink / raw) To: Song, Hongyan, linux-iio@vger.kernel.org, jic23@kernel.org Cc: jikos@kernel.org T24gRnJpLCAyMDE2LTEyLTMwIGF0IDEwOjI4ICswMDAwLCBKb25hdGhhbiBDYW1lcm9uIHdyb3Rl Og0KPiBPbiAwNy8xMi8xNiAxMDoxNCwgU29uZyBIb25neWFuIHdyb3RlOg0KPiA+IA0KPiA+IEdy YXZpdHkgc2Vuc29yIGFuZCBhY2NlbGVyb21ldGVyIGhhdmUgc2ltaWxhciBjaGFubmVscyBhbmQN Cj4gPiBzaGFyZSBjaGFubmVsIHVzYWdlIGlkcy4gU28gdGhlIG1vc3Qgb2YgdGhlIGNvZGUgZm9y IGFjY2VsXzNkDQo+ID4gY2FuIGJlIHJldXNlZC4NCj4gSSB3b3VsZCBsaWtlIHRvIGhhdmUgc2Vl biBhIHJlZmVyZW5jZSB0byB0aGUgc291cmNlIGZvciB0aGUgSURzIGluDQo+IGhlcmUuIFRvb2sN Cj4gbWUgYSBsaXR0bGUgd2hpbGUgdG8gY29uZmlybSB0aGVzZSB3ZXJlIG5vIG9mZmljaWFsbHkg YXNzaWduZWQNCj4gKHJhdGhlciB0aGFuIGluIHRoZQ0KPiByZXNlcnZlZCBzcGFjZSkuwqDCoEkg 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* Re: [RFC PATCH 1/2] iio: Add channel for Gravity 2016-12-07 10:14 [RFC PATCH 1/2] iio: Add channel for Gravity Song Hongyan 2016-12-07 10:14 ` [RFC PATCH 2/2] iio: Add gravity sensor support Song Hongyan @ 2016-12-30 10:09 ` Jonathan Cameron 1 sibling, 0 replies; 5+ messages in thread From: Jonathan Cameron @ 2016-12-30 10:09 UTC (permalink / raw) To: Song Hongyan, linux-iio; +Cc: jikos, srinivas.pandruvada On 07/12/16 10:14, Song Hongyan wrote: > Add new channel types support for gravity sensor. > > Signed-off-by: Song Hongyan <hongyan.song@intel.com> Firstly, sorry I took so long to get to this. It just missed my last catch up session before end of the year mess got in the way. Anyhow this looks fine to me and I'm happy to take it once any last corners are sorted in patch 2. > --- > Documentation/ABI/testing/sysfs-bus-iio | 11 +++++++++++ > drivers/iio/industrialio-core.c | 1 + > include/uapi/linux/iio/types.h | 1 + > tools/iio/iio_event_monitor.c | 2 ++ > 4 files changed, 15 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index fee35c0..60b7406 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -170,6 +170,17 @@ Description: > Has all of the equivalent parameters as per voltageY. Units > after application of scale and offset are m/s^2. > > + > +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw > +KernelVersion: 4.11 > +Contact: linux-iio@vger.kernel.org > +Description: > + Gravity in direction x, y or z (may be arbitrarily assigned > + but should match other such assignments on device). > + Units after application of scale and offset are m/s^2. > + > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw > What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index fc340ed..72fc96a 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -81,6 +81,7 @@ struct bus_type iio_bus_type = { > [IIO_PH] = "ph", > [IIO_UVINDEX] = "uvindex", > [IIO_ELECTRICALCONDUCTIVITY] = "electricalconductivity", > + [IIO_GRAVITY] = "gravity", > }; > > static const char * const iio_modifier_names[] = { > diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h > index 22e5e58..d3f7ba7 100644 > --- a/include/uapi/linux/iio/types.h > +++ b/include/uapi/linux/iio/types.h > @@ -40,6 +40,7 @@ enum iio_chan_type { > IIO_PH, > IIO_UVINDEX, > IIO_ELECTRICALCONDUCTIVITY, > + IIO_GRAVITY, > }; > > enum iio_modifier { > diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c > index d9b7e0f..b61245e 100644 > --- a/tools/iio/iio_event_monitor.c > +++ b/tools/iio/iio_event_monitor.c > @@ -57,6 +57,7 @@ > [IIO_RESISTANCE] = "resistance", > [IIO_PH] = "ph", > [IIO_UVINDEX] = "uvindex", > + [IIO_GRAVITY] = "gravity", > }; > > static const char * const iio_ev_type_text[] = { > @@ -149,6 +150,7 @@ static bool event_is_known(struct iio_event_data *event) > case IIO_RESISTANCE: > case IIO_PH: > case IIO_UVINDEX: > + case IIO_GRAVITY: > break; > default: > return false; > ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2016-12-30 17:27 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2016-12-07 10:14 [RFC PATCH 1/2] iio: Add channel for Gravity Song Hongyan 2016-12-07 10:14 ` [RFC PATCH 2/2] iio: Add gravity sensor support Song Hongyan 2016-12-30 10:28 ` Jonathan Cameron 2016-12-30 17:27 ` Pandruvada, Srinivas 2016-12-30 10:09 ` [RFC PATCH 1/2] iio: Add channel for Gravity Jonathan Cameron
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