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| author | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-20 03:03:38 +0300 |
|---|---|---|
| committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-20 23:26:16 +0300 |
| commit | f9cf3b2880cc41ec2b44aa24fa156bffe934f9c7 (patch) | |
| tree | 890f1ce87fd763d68a330edd54c3e124c81bf12d /drivers/platform/x86/hp-wmi.c | |
| parent | c7ef144c12033052c956ca9d80b2dfc19c73d939 (diff) | |
| download | linux-f9cf3b2880cc41ec2b44aa24fa156bffe934f9c7.tar.xz | |
platform/x86: hp-wmi: Refactor dock and tablet state fetchers
Both dock and tablet use the HPWMI_HARDWARE_QUERY, but require different
masks. Rather than using two functions with magic masks, define the
masks, and use a common accessor.
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Tested-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Diffstat (limited to 'drivers/platform/x86/hp-wmi.c')
| -rw-r--r-- | drivers/platform/x86/hp-wmi.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 577805987d35..9b71829843ad 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -102,6 +102,11 @@ enum hp_wmi_command { HPWMI_ODM = 0x03, }; +enum hp_wmi_hardware_mask { + HPWMI_DOCK_MASK = 0x01, + HPWMI_TABLET_MASK = 0x04, +}; + #define BIOS_ARGS_INIT(write, ctype, size) \ (struct bios_args) { .signature = 0x55434553, \ .command = (write) ? 0x2 : 0x1, \ @@ -271,7 +276,7 @@ static int hp_wmi_read_int(int query) return val; } -static int hp_wmi_dock_state(void) +static int hp_wmi_hw_state(int mask) { int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY); @@ -281,16 +286,6 @@ static int hp_wmi_dock_state(void) return state & 0x1; } -static int hp_wmi_tablet_state(void) -{ - int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY); - - if (state < 0) - return state; - - return (state & 0x4) ? 1 : 0; -} - static int __init hp_wmi_bios_2008_later(void) { int state = 0; @@ -438,7 +433,7 @@ static ssize_t show_als(struct device *dev, struct device_attribute *attr, static ssize_t show_dock(struct device *dev, struct device_attribute *attr, char *buf) { - int value = hp_wmi_dock_state(); + int value = hp_wmi_hw_state(HPWMI_DOCK_MASK); if (value < 0) return -EINVAL; return sprintf(buf, "%d\n", value); @@ -447,7 +442,7 @@ static ssize_t show_dock(struct device *dev, struct device_attribute *attr, static ssize_t show_tablet(struct device *dev, struct device_attribute *attr, char *buf) { - int value = hp_wmi_tablet_state(); + int value = hp_wmi_hw_state(HPWMI_TABLET_MASK); if (value < 0) return -EINVAL; return sprintf(buf, "%d\n", value); @@ -550,10 +545,10 @@ static void hp_wmi_notify(u32 value, void *context) case HPWMI_DOCK_EVENT: if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit)) input_report_switch(hp_wmi_input_dev, SW_DOCK, - hp_wmi_dock_state()); + hp_wmi_hw_state(HPWMI_DOCK_MASK)); if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, - hp_wmi_tablet_state()); + hp_wmi_hw_state(HPWMI_TABLET_MASK)); input_sync(hp_wmi_input_dev); break; case HPWMI_PARK_HDD: @@ -631,14 +626,14 @@ static int __init hp_wmi_input_setup(void) __set_bit(EV_SW, hp_wmi_input_dev->evbit); /* Dock */ - val = hp_wmi_dock_state(); + val = hp_wmi_hw_state(HPWMI_DOCK_MASK); if (!(val < 0)) { __set_bit(SW_DOCK, hp_wmi_input_dev->swbit); input_report_switch(hp_wmi_input_dev, SW_DOCK, val); } /* Tablet mode */ - val = hp_wmi_tablet_state(); + val = hp_wmi_hw_state(HPWMI_TABLET_MASK); if (!(val < 0)) { __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit); input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val); @@ -932,10 +927,10 @@ static int hp_wmi_resume_handler(struct device *device) if (hp_wmi_input_dev) { if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit)) input_report_switch(hp_wmi_input_dev, SW_DOCK, - hp_wmi_dock_state()); + hp_wmi_hw_state(HPWMI_DOCK_MASK)); if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, - hp_wmi_tablet_state()); + hp_wmi_hw_state(HPWMI_TABLET_MASK)); input_sync(hp_wmi_input_dev); } |