Merge branch 'acer' into release
This commit is contained in:
Len Brown
commit
3bb29ec14c
@ -52,7 +52,7 @@
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*/
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#undef START_IN_KERNEL_MODE
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#define DRV_VER "0.5.13"
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#define DRV_VER "0.5.17"
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/*
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* According to the Atom N270 datasheet,
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@ -90,6 +90,7 @@ static unsigned int fanoff = 58;
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static unsigned int verbose;
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static unsigned int fanstate = ACERHDF_FAN_AUTO;
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static char force_bios[16];
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static char force_product[16];
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static unsigned int prev_interval;
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struct thermal_zone_device *thz_dev;
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struct thermal_cooling_device *cl_dev;
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@ -107,34 +108,62 @@ module_param(verbose, uint, 0600);
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MODULE_PARM_DESC(verbose, "Enable verbose dmesg output");
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module_param_string(force_bios, force_bios, 16, 0);
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MODULE_PARM_DESC(force_bios, "Force BIOS version and omit BIOS check");
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module_param_string(force_product, force_product, 16, 0);
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MODULE_PARM_DESC(force_product, "Force BIOS product and omit BIOS check");
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/*
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* cmd_off: to switch the fan completely off / to check if the fan is off
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* cmd_auto: to set the BIOS in control of the fan. The BIOS regulates then
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* the fan speed depending on the temperature
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*/
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struct fancmd {
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u8 cmd_off;
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u8 cmd_auto;
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};
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/* BIOS settings */
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struct bios_settings_t {
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const char *vendor;
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const char *product;
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const char *version;
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unsigned char fanreg;
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unsigned char tempreg;
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unsigned char fancmd[2]; /* fan off and auto commands */
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struct fancmd cmd;
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};
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/* Register addresses and values for different BIOS versions */
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static const struct bios_settings_t bios_tbl[] = {
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{"Acer", "v0.3109", 0x55, 0x58, {0x1f, 0x00} },
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{"Acer", "v0.3114", 0x55, 0x58, {0x1f, 0x00} },
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{"Acer", "v0.3301", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "v0.3304", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "v0.3305", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "v0.3308", 0x55, 0x58, {0x21, 0x00} },
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{"Acer", "v0.3309", 0x55, 0x58, {0x21, 0x00} },
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{"Acer", "v0.3310", 0x55, 0x58, {0x21, 0x00} },
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{"Gateway", "v0.3103", 0x55, 0x58, {0x21, 0x00} },
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{"Packard Bell", "v0.3105", 0x55, 0x58, {0x21, 0x00} },
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{"", "", 0, 0, {0, 0} }
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/* AOA110 */
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{"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x00} },
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{"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x00} },
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{"Acer", "AOA110", "v0.3301", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "AOA110", "v0.3304", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "AOA110", "v0.3305", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "AOA110", "v0.3307", 0x55, 0x58, {0xaf, 0x00} },
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{"Acer", "AOA110", "v0.3308", 0x55, 0x58, {0x21, 0x00} },
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{"Acer", "AOA110", "v0.3309", 0x55, 0x58, {0x21, 0x00} },
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{"Acer", "AOA110", "v0.3310", 0x55, 0x58, {0x21, 0x00} },
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/* AOA150 */
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{"Acer", "AOA150", "v0.3114", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3301", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3304", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3305", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3307", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x00} },
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{"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
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/* special BIOS / other */
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{"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x00} },
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{"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x00} },
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{"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00} },
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{"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x00} },
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{"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
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/* pewpew-terminator */
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{"", "", "", 0, 0, {0, 0} }
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};
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static const struct bios_settings_t *bios_cfg __read_mostly;
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static int acerhdf_get_temp(int *temp)
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{
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u8 read_temp;
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@ -150,13 +179,14 @@ static int acerhdf_get_temp(int *temp)
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static int acerhdf_get_fanstate(int *state)
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{
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u8 fan;
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bool tmp;
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if (ec_read(bios_cfg->fanreg, &fan))
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return -EINVAL;
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tmp = (fan == bios_cfg->fancmd[ACERHDF_FAN_OFF]);
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*state = tmp ? ACERHDF_FAN_OFF : ACERHDF_FAN_AUTO;
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if (fan != bios_cfg->cmd.cmd_off)
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*state = ACERHDF_FAN_AUTO;
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else
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*state = ACERHDF_FAN_OFF;
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return 0;
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}
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@ -175,7 +205,8 @@ static void acerhdf_change_fanstate(int state)
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state = ACERHDF_FAN_AUTO;
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}
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cmd = bios_cfg->fancmd[state];
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cmd = (state == ACERHDF_FAN_OFF) ? bios_cfg->cmd.cmd_off
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: bios_cfg->cmd.cmd_auto;
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fanstate = state;
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ec_write(bios_cfg->fanreg, cmd);
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@ -408,7 +439,7 @@ struct thermal_cooling_device_ops acerhdf_cooling_ops = {
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};
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/* suspend / resume functionality */
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static int acerhdf_suspend(struct platform_device *dev, pm_message_t state)
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static int acerhdf_suspend(struct device *dev)
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{
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if (kernelmode)
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acerhdf_change_fanstate(ACERHDF_FAN_AUTO);
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@ -419,14 +450,6 @@ static int acerhdf_suspend(struct platform_device *dev, pm_message_t state)
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return 0;
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}
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static int acerhdf_resume(struct platform_device *device)
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{
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if (verbose)
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pr_notice("resuming\n");
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return 0;
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}
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static int __devinit acerhdf_probe(struct platform_device *device)
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{
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return 0;
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@ -437,15 +460,19 @@ static int acerhdf_remove(struct platform_device *device)
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return 0;
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}
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struct platform_driver acerhdf_drv = {
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static struct dev_pm_ops acerhdf_pm_ops = {
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.suspend = acerhdf_suspend,
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.freeze = acerhdf_suspend,
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};
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static struct platform_driver acerhdf_driver = {
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.driver = {
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.name = "acerhdf",
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.name = "acerhdf",
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.owner = THIS_MODULE,
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.pm = &acerhdf_pm_ops,
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},
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.probe = acerhdf_probe,
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.remove = acerhdf_remove,
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.suspend = acerhdf_suspend,
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.resume = acerhdf_resume,
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};
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@ -454,32 +481,40 @@ static int acerhdf_check_hardware(void)
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{
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char const *vendor, *version, *product;
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int i;
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unsigned long prod_len = 0;
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/* get BIOS data */
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vendor = dmi_get_system_info(DMI_SYS_VENDOR);
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version = dmi_get_system_info(DMI_BIOS_VERSION);
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product = dmi_get_system_info(DMI_PRODUCT_NAME);
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pr_info("Acer Aspire One Fan driver, v.%s\n", DRV_VER);
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if (!force_bios[0]) {
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if (strncmp(product, "AO", 2)) {
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pr_err("no Aspire One hardware found\n");
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return -EINVAL;
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}
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} else {
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pr_info("forcing BIOS version: %s\n", version);
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if (force_bios[0]) {
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version = force_bios;
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pr_info("forcing BIOS version: %s\n", version);
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kernelmode = 0;
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}
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if (force_product[0]) {
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product = force_product;
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pr_info("forcing BIOS product: %s\n", product);
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kernelmode = 0;
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}
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prod_len = strlen(product);
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if (verbose)
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pr_info("BIOS info: %s %s, product: %s\n",
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vendor, version, product);
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/* search BIOS version and vendor in BIOS settings table */
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for (i = 0; bios_tbl[i].version[0]; i++) {
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if (!strcmp(bios_tbl[i].vendor, vendor) &&
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if (strlen(bios_tbl[i].product) >= prod_len &&
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!strncmp(bios_tbl[i].product, product,
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strlen(bios_tbl[i].product)) &&
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!strcmp(bios_tbl[i].vendor, vendor) &&
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!strcmp(bios_tbl[i].version, version)) {
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bios_cfg = &bios_tbl[i];
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break;
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@ -487,8 +522,8 @@ static int acerhdf_check_hardware(void)
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}
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if (!bios_cfg) {
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pr_err("unknown (unsupported) BIOS version %s/%s, "
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"please report, aborting!\n", vendor, version);
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pr_err("unknown (unsupported) BIOS version %s/%s/%s, "
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"please report, aborting!\n", vendor, product, version);
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return -EINVAL;
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}
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@ -509,7 +544,7 @@ static int acerhdf_register_platform(void)
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{
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int err = 0;
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err = platform_driver_register(&acerhdf_drv);
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err = platform_driver_register(&acerhdf_driver);
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if (err)
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return err;
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@ -525,7 +560,7 @@ static void acerhdf_unregister_platform(void)
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return;
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platform_device_del(acerhdf_dev);
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platform_driver_unregister(&acerhdf_drv);
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platform_driver_unregister(&acerhdf_driver);
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}
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static int acerhdf_register_thermal(void)
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