From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/input/misc/twl4030-pwrbutton.c | 163 +++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 drivers/input/misc/twl4030-pwrbutton.c (limited to 'drivers/input/misc/twl4030-pwrbutton.c') diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c new file mode 100644 index 000000000..3e94a5995 --- /dev/null +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -0,0 +1,163 @@ +/* + * TWL4030 Power Button Input Driver + * + * Copyright (C) 2008-2009 Nokia Corporation + * + * Written by Peter De Schrijver + * Several fixes by Felipe Balbi + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PWR_PWRON_IRQ BIT(0) + +struct twl_pwrbutton_chipdata { + u8 status_reg; + bool need_manual_irq; +}; + +static const struct twl_pwrbutton_chipdata twl4030_chipdata = { + .status_reg = 0xf, + .need_manual_irq = false, +}; + +static const struct twl_pwrbutton_chipdata twl6030_chipdata = { + .status_reg = 0x2, + .need_manual_irq = true, +}; + +static irqreturn_t powerbutton_irq(int irq, void *_pwr) +{ + struct input_dev *pwr = _pwr; + const struct twl_pwrbutton_chipdata *pdata = dev_get_drvdata(pwr->dev.parent); + int err; + u8 value; + + err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &value, pdata->status_reg); + if (!err) { + pm_wakeup_event(pwr->dev.parent, 0); + input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ); + input_sync(pwr); + } else { + dev_err(pwr->dev.parent, "twl4030: i2c error %d while reading" + " TWL4030 PM_MASTER STS_HW_CONDITIONS register\n", err); + } + + return IRQ_HANDLED; +} + +static int twl4030_pwrbutton_probe(struct platform_device *pdev) +{ + const struct twl_pwrbutton_chipdata *pdata; + struct input_dev *pwr; + int irq = platform_get_irq(pdev, 0); + int err; + + pdata = device_get_match_data(&pdev->dev); + if (!pdata) + return -EINVAL; + + platform_set_drvdata(pdev, (void *)pdata); + + pwr = devm_input_allocate_device(&pdev->dev); + if (!pwr) { + dev_err(&pdev->dev, "Can't allocate power button\n"); + return -ENOMEM; + } + + input_set_capability(pwr, EV_KEY, KEY_POWER); + pwr->name = "twl4030_pwrbutton"; + pwr->phys = "twl4030_pwrbutton/input0"; + pwr->dev.parent = &pdev->dev; + + err = devm_request_threaded_irq(&pdev->dev, irq, NULL, powerbutton_irq, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | + IRQF_ONESHOT, + "twl4030_pwrbutton", pwr); + if (err < 0) { + dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err); + return err; + } + + err = input_register_device(pwr); + if (err) { + dev_err(&pdev->dev, "Can't register power button: %d\n", err); + return err; + } + + if (pdata->need_manual_irq) { + err = twl6030_interrupt_unmask(0x01, REG_INT_MSK_LINE_A); + if (err) + return err; + + err = twl6030_interrupt_unmask(0x01, REG_INT_MSK_STS_A); + if (err) + return err; + } + + device_init_wakeup(&pdev->dev, true); + + return 0; +} + +static void twl4030_pwrbutton_remove(struct platform_device *pdev) +{ + const struct twl_pwrbutton_chipdata *pdata = platform_get_drvdata(pdev); + + if (pdata->need_manual_irq) { + twl6030_interrupt_mask(0x01, REG_INT_MSK_LINE_A); + twl6030_interrupt_mask(0x01, REG_INT_MSK_STS_A); + } +} + +static const struct of_device_id twl4030_pwrbutton_dt_match_table[] = { + { + .compatible = "ti,twl4030-pwrbutton", + .data = &twl4030_chipdata, + }, + { + .compatible = "ti,twl6030-pwrbutton", + .data = &twl6030_chipdata, + }, + { } +}; +MODULE_DEVICE_TABLE(of, twl4030_pwrbutton_dt_match_table); + +static struct platform_driver twl4030_pwrbutton_driver = { + .probe = twl4030_pwrbutton_probe, + .remove = twl4030_pwrbutton_remove, + .driver = { + .name = "twl4030_pwrbutton", + .of_match_table = twl4030_pwrbutton_dt_match_table, + }, +}; +module_platform_driver(twl4030_pwrbutton_driver); + +MODULE_ALIAS("platform:twl4030_pwrbutton"); +MODULE_DESCRIPTION("Triton2 Power Button"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Peter De Schrijver "); +MODULE_AUTHOR("Felipe Balbi "); + -- cgit v1.3.1