diff options
| author | Courtney Cavin <courtney.cavin@sonymobile.com> | 2015-07-30 19:53:54 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-05 21:27:09 +0200 |
| commit | 60be42306f838d9231398bdb7d4ff3451ae13601 (patch) | |
| tree | 18f61a90bc4694cac6ab5e43b5d1364fefde6229 /drivers/spmi | |
| parent | spmi: add command tracepoints for SPMI (diff) | |
| download | linux-60be42306f838d9231398bdb7d4ff3451ae13601.tar.xz linux-60be42306f838d9231398bdb7d4ff3451ae13601.zip | |
spmi: pmic-arb: add support for irq_get_irqchip_state
Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Tested-by: Tim Bird <tim.bird@sonymobile.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spmi')
| -rw-r--r-- | drivers/spmi/spmi-pmic-arb.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c index d7119db49cfe..a4d8c043a710 100644 --- a/drivers/spmi/spmi-pmic-arb.c +++ b/drivers/spmi/spmi-pmic-arb.c @@ -575,6 +575,22 @@ static int qpnpint_irq_set_type(struct irq_data *d, unsigned int flow_type) return 0; } +static int qpnpint_get_irqchip_state(struct irq_data *d, + enum irqchip_irq_state which, + bool *state) +{ + u8 irq = d->hwirq >> 8; + u8 status = 0; + + if (which != IRQCHIP_STATE_LINE_LEVEL) + return -EINVAL; + + qpnpint_spmi_read(d, QPNPINT_REG_RT_STS, &status, 1); + *state = !!(status & BIT(irq)); + + return 0; +} + static struct irq_chip pmic_arb_irqchip = { .name = "pmic_arb", .irq_enable = qpnpint_irq_enable, @@ -582,6 +598,7 @@ static struct irq_chip pmic_arb_irqchip = { .irq_mask = qpnpint_irq_mask, .irq_unmask = qpnpint_irq_unmask, .irq_set_type = qpnpint_irq_set_type, + .irq_get_irqchip_state = qpnpint_get_irqchip_state, .flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE, }; |