Merge tag 'staging-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

Pull staging driver fixes from Greg KH:
 "Here are a few fixes for staging and iio drivers that resolve issues
  reported in 3.16-rc1.

  All have been in linux-next just fine"

* tag 'staging-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  imx-drm: parallel-display: Fix DPMS default state.
  staging: android: timed_output: fix use after free of dev
  staging: comedi: addi_apci_1564: add addi_watchdog dependency
  staging: rtl8723au: Reference correct firmwarefiles with MODULE_FIRMWARE()
  staging: rtl8723au: Request correct firmware file for A-cut parts
  iio: adc: checking for NULL instead of IS_ERR() in probe
  iio: adc: at91: signedness bug in at91_adc_get_trigger_value_by_name()
  iio: mxs-lradc: fix divider
  iio: Fix endianness issue in ak8975_read_axis()
  staging/iio: IIO_SIMPLE_DUMMY_BUFFER neds IIO_BUFFER
  twl4030-madc: Request processed values in twl4030_get_madc_conversion
  staging: iio: tsl2x7x_core: fix proximity treshold
  iio: Fix two mpl3115 issues in measurement conversion
  iio: hid-sensors: Get feature report from sensor hub after changing power state

diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 3b5bacd4d8da5dbe41be266ef8e432543ecdfb39..2b6a9ce9927c5fb84d7b92b3d6b3fc067ad7ec75 100644 (file)
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -510,12 +510,11 @@ static int at91_adc_channel_init(struct iio_dev *idev)
        return idev->num_channels;
 }
 
-static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
+static int at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
                                             struct at91_adc_trigger *triggers,
                                             const char *trigger_name)
 {
        struct at91_adc_state *st = iio_priv(idev);
-       u8 value = 0;
        int i;
 
        for (i = 0; i < st->trigger_number; i++) {
@@ -528,15 +527,16 @@ static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
                        return -ENOMEM;
 
                if (strcmp(trigger_name, name) == 0) {
-                       value = triggers[i].value;
                        kfree(name);
-                       break;
+                       if (triggers[i].value == 0)
+                               return -EINVAL;
+                       return triggers[i].value;
                }
 
                kfree(name);
        }
 
-       return value;
+       return -EINVAL;
 }
 
 static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
@@ -546,14 +546,14 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
        struct iio_buffer *buffer = idev->buffer;
        struct at91_adc_reg_desc *reg = st->registers;
        u32 status = at91_adc_readl(st, reg->trigger_register);
-       u8 value;
+       int value;
        u8 bit;
 
        value = at91_adc_get_trigger_value_by_name(idev,
                                                   st->trigger_list,
                                                   idev->trig->name);
-       if (value == 0)
-               return -EINVAL;
+       if (value < 0)
+               return value;
 
        if (state) {
                st->buffer = kmalloc(idev->scan_bytes, GFP_KERNEL);

diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c
index 6989c16aec2bf8c1aee3fbb277bbb9627d11f70f..b58d6302521f4d651359715331e83a5a416583a0 100644 (file)
--- a/drivers/iio/adc/men_z188_adc.c
+++ b/drivers/iio/adc/men_z188_adc.c
@@ -121,8 +121,8 @@ static int men_z188_probe(struct mcb_device *dev,
        indio_dev->num_channels = ARRAY_SIZE(z188_adc_iio_channels);
 
        mem = mcb_request_mem(dev, "z188-adc");
-       if (!mem)
-               return -ENOMEM;
+       if (IS_ERR(mem))
+               return PTR_ERR(mem);
 
        adc->base = ioremap(mem->start, resource_size(mem));
        if (adc->base == NULL)

diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 7de1c4c87942326bbf11e7519ddfa17d29f263f9..eb86786e698eabf702655f9f974c9639956169c7 100644 (file)
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -645,6 +645,7 @@ int twl4030_get_madc_conversion(int channel_no)
        req.channels = (1 << channel_no);
        req.method = TWL4030_MADC_SW2;
        req.active = 0;
+       req.raw = 0;
        req.func_cb = NULL;
        ret = twl4030_madc_conversion(&req);
        if (ret < 0)

diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index 73282cee0c81f1c025c31e2e060ae83d5aecd3ac..a3109a6f4d86569a86d445f8a967fe4b3a4d8cab 100644 (file)
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -75,6 +75,9 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state)
                                        (s32)report_val);
        }
 
+       sensor_hub_get_feature(st->hsdev, st->power_state.report_id,
+                                       st->power_state.index,
+                                       &state_val);
        return 0;
 }
 EXPORT_SYMBOL(hid_sensor_power_state);

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 09ea5c481f4c220c46978466ef5b27832a891920..ea08313af0d2f5eeccf654e4081ad1bd5427df6e 100644 (file)
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -373,8 +373,6 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
 {
        struct ak8975_data *data = iio_priv(indio_dev);
        struct i2c_client *client = data->client;
-       u16 meas_reg;
-       s16 raw;
        int ret;
 
        mutex_lock(&data->lock);
@@ -422,16 +420,11 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
                dev_err(&client->dev, "Read axis data fails\n");
                goto exit;
        }
-       meas_reg = ret;
 
        mutex_unlock(&data->lock);
 
-       /* Endian conversion of the measured values. */
-       raw = (s16) (le16_to_cpu(meas_reg));
-
        /* Clamp to valid range. */
-       raw = clamp_t(s16, raw, -4096, 4095);
-       *val = raw;
+       *val = clamp_t(s16, ret, -4096, 4095);
        return IIO_VAL_INT;
 
 exit:

diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c
index ba6d0c520e638ad3843783cb1a479f34b143539d..01b2e0b1887881910874a43fb7efec4c4298a609 100644 (file)
--- a/drivers/iio/pressure/mpl3115.c
+++ b/drivers/iio/pressure/mpl3115.c
@@ -98,7 +98,7 @@ static int mpl3115_read_raw(struct iio_dev *indio_dev,
                        mutex_unlock(&data->lock);
                        if (ret < 0)
                                return ret;
-                       *val = sign_extend32(be32_to_cpu(tmp) >> 12, 23);
+                       *val = be32_to_cpu(tmp) >> 12;
                        return IIO_VAL_INT;
                case IIO_TEMP: /* in 0.0625 celsius / LSB */
                        mutex_lock(&data->lock);
@@ -112,7 +112,7 @@ static int mpl3115_read_raw(struct iio_dev *indio_dev,
                        mutex_unlock(&data->lock);
                        if (ret < 0)
                                return ret;
-                       *val = sign_extend32(be32_to_cpu(tmp) >> 20, 15);
+                       *val = sign_extend32(be32_to_cpu(tmp) >> 20, 11);
                        return IIO_VAL_INT;
                default:
                        return -EINVAL;
@@ -185,7 +185,7 @@ static const struct iio_chan_spec mpl3115_channels[] = {
                        BIT(IIO_CHAN_INFO_SCALE),
                .scan_index = 0,
                .scan_type = {
-                       .sign = 's',
+                       .sign = 'u',
                        .realbits = 20,
                        .storagebits = 32,
                        .shift = 12,

diff --git a/drivers/staging/android/timed_output.c b/drivers/staging/android/timed_output.c
index 2c617834dc46c8f81033638ba0043ab9eac7740e..c341ac11c5a3dc8260961a8dc144a6666049e234 100644 (file)
--- a/drivers/staging/android/timed_output.c
+++ b/drivers/staging/android/timed_output.c
@@ -97,7 +97,6 @@ void timed_output_dev_unregister(struct timed_output_dev *tdev)
 {
        tdev->enable(tdev, 0);
        device_destroy(timed_output_class, MKDEV(0, tdev->index));
-       dev_set_drvdata(tdev->dev, NULL);
 }
 EXPORT_SYMBOL_GPL(timed_output_dev_unregister);
 

diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 5d56428d508abd05a43253bf51d67ae14585ca70..a2f6957e7ee96c0e985eafb55cb363e5aa80fcef 100644 (file)
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -651,6 +651,7 @@ config COMEDI_ADDI_APCI_1516
 
 config COMEDI_ADDI_APCI_1564
        tristate "ADDI-DATA APCI_1564 support"
+       select COMEDI_ADDI_WATCHDOG
        ---help---
          Enable support for ADDI-DATA APCI_1564 cards
 

diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index b36feb080cba886f8ebf9a456c519247376dbdcb..fa38be0982f99e55f74532d73a0171e5d0005b03 100644 (file)
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -36,10 +36,11 @@ config IIO_SIMPLE_DUMMY_EVENTS
          Add some dummy events to the simple dummy driver.
 
 config IIO_SIMPLE_DUMMY_BUFFER
-       boolean "Buffered capture support"
-       select IIO_KFIFO_BUF
-       help
-         Add buffered data capture to the simple dummy driver.
+       boolean "Buffered capture support"
+       select IIO_BUFFER
+       select IIO_KFIFO_BUF
+       help
+         Add buffered data capture to the simple dummy driver.
 
 endif # IIO_SIMPLE_DUMMY
 

diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index dae8d1a9038e661885e2c3bf51869ba76121d122..52d7517b342eb80191fc18cf1dab01d4faf477cf 100644 (file)
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -846,6 +846,14 @@ static int mxs_lradc_read_single(struct iio_dev *iio_dev, int chan, int *val)
                        LRADC_CTRL1);
        mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
 
+       /* Enable / disable the divider per requirement */
+       if (test_bit(chan, &lradc->is_divided))
+               mxs_lradc_reg_set(lradc, 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET,
+                       LRADC_CTRL2);
+       else
+               mxs_lradc_reg_clear(lradc,
+                       1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, LRADC_CTRL2);
+
        /* Clean the slot's previous content, then set new one. */
        mxs_lradc_reg_clear(lradc, LRADC_CTRL4_LRADCSELECT_MASK(0),
                        LRADC_CTRL4);
@@ -961,15 +969,11 @@ static int mxs_lradc_write_raw(struct iio_dev *iio_dev,
                if (val == scale_avail[MXS_LRADC_DIV_DISABLED].integer &&
                    val2 == scale_avail[MXS_LRADC_DIV_DISABLED].nano) {
                        /* divider by two disabled */
-                       writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET,
-                              lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_CLR);
                        clear_bit(chan->channel, &lradc->is_divided);
                        ret = 0;
                } else if (val == scale_avail[MXS_LRADC_DIV_ENABLED].integer &&
                           val2 == scale_avail[MXS_LRADC_DIV_ENABLED].nano) {
                        /* divider by two enabled */
-                       writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET,
-                              lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_SET);
                        set_bit(chan->channel, &lradc->is_divided);
                        ret = 0;
                }

diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c
index 9e0f2a9c73ae8d5b05c7a16d57c4b2027f91314d..ab338e3ddd054b4deffac880fe374ba455a792e3 100644 (file)
--- a/drivers/staging/iio/light/tsl2x7x_core.c
+++ b/drivers/staging/iio/light/tsl2x7x_core.c
@@ -667,9 +667,13 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
        chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] =
                        chip->tsl2x7x_settings.prox_pulse_count;
        chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] =
-       chip->tsl2x7x_settings.prox_thres_low;
+                       (chip->tsl2x7x_settings.prox_thres_low) & 0xFF;
+       chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] =
+                       (chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF;
        chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] =
-                       chip->tsl2x7x_settings.prox_thres_high;
+                       (chip->tsl2x7x_settings.prox_thres_high) & 0xFF;
+       chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] =
+                       (chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF;
 
        /* and make sure we're not already on */
        if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {

diff --git a/drivers/staging/imx-drm/parallel-display.c b/drivers/staging/imx-drm/parallel-display.c
index b5678328fc40c7c1cea9ba090ec53c47d453d7fd..4ca61afdf6222a3d425e3efdc0728cda42373dcb 100644 (file)
--- a/drivers/staging/imx-drm/parallel-display.c
+++ b/drivers/staging/imx-drm/parallel-display.c
@@ -173,6 +173,13 @@ static int imx_pd_register(struct drm_device *drm,
        if (ret)
                return ret;
 
+       /* set the connector's dpms to OFF so that
+        * drm_helper_connector_dpms() won't return
+        * immediately since the current state is ON
+        * at this point.
+        */
+       imxpd->connector.dpms = DRM_MODE_DPMS_OFF;
+
        drm_encoder_helper_add(&imxpd->encoder, &imx_pd_encoder_helper_funcs);
        drm_encoder_init(drm, &imxpd->encoder, &imx_pd_encoder_funcs,
                         DRM_MODE_ENCODER_NONE);

diff --git a/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c b/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c
index 0acacab95a4866f23534799f95054df15dbcf0ea..46f5abcbaeeb8bbb069a23c69e6ed869ed273c4a 100644 (file)
--- a/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c
+++ b/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c
@@ -298,7 +298,7 @@ int rtl8723a_FirmwareDownload(struct rtw_adapter *padapter)
        RT_TRACE(_module_hal_init_c_, _drv_info_, ("+%s\n", __func__));
 
        if (IS_8723A_A_CUT(pHalData->VersionID)) {
-               fw_name = "rtlwifi/rtl8723aufw.bin";
+               fw_name = "rtlwifi/rtl8723aufw_A.bin";
                RT_TRACE(_module_hal_init_c_, _drv_info_,
                         ("rtl8723a_FirmwareDownload: R8723FwImageArray_UMC "
                          "for RTL8723A A CUT\n"));

diff --git a/drivers/staging/rtl8723au/os_dep/os_intfs.c b/drivers/staging/rtl8723au/os_dep/os_intfs.c
index 4e32003a4437bf7140a8471cb33836cdc6148f4b..1fb34386a4e544adc6af572c6515af9255d0caf3 100644 (file)
--- a/drivers/staging/rtl8723au/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8723au/os_dep/os_intfs.c
@@ -29,7 +29,9 @@ MODULE_AUTHOR("Realtek Semiconductor Corp.");
 MODULE_AUTHOR("Larry Finger <Larry.Finger@lwfinger.net>");
 MODULE_AUTHOR("Jes Sorensen <Jes.Sorensen@redhat.com>");
 MODULE_VERSION(DRIVERVERSION);
-MODULE_FIRMWARE("rtlwifi/rtl8821aefw.bin");
+MODULE_FIRMWARE("rtlwifi/rtl8723aufw_A.bin");
+MODULE_FIRMWARE("rtlwifi/rtl8723aufw_B.bin");
+MODULE_FIRMWARE("rtlwifi/rtl8723aufw_B_NoBT.bin");
 
 /* module param defaults */
 static int rtw_chip_version = 0x00;