/* * C-Media CMI8787 driver for the Studio Evolution SE6X * * Copyright (c) Clemens Ladisch * * This driver is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2. * * This driver 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 driver; if not, see . */ /* * CMI8787: * * SPI -> microcontroller (not actually used) * GPIO 0 -> do. * GPIO 2 -> do. * * DAC0 -> both PCM1792A (L+R, each in mono mode) * ADC1 <- 1st PCM1804 * ADC2 <- 2nd PCM1804 * ADC3 <- 3rd PCM1804 */ #include #include #include #include #include #include #include "oxygen.h" MODULE_AUTHOR("Clemens Ladisch "); MODULE_DESCRIPTION("Studio Evolution SE6X driver"); MODULE_LICENSE("GPL v2"); MODULE_SUPPORTED_DEVICE("{{Studio Evolution,SE6X}}"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "card index"); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string"); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(enable, "enable card"); static const struct pci_device_id se6x_ids[] = { { OXYGEN_PCI_SUBID(0x13f6, 0x8788) }, { } }; MODULE_DEVICE_TABLE(pci, se6x_ids); static void se6x_init(struct oxygen *chip) { oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, 0x005); snd_component_add(chip->card, "PCM1792A"); snd_component_add(chip->card, "PCM1804"); } static int se6x_control_filter(struct snd_kcontrol_new *template) { /* no DAC volume/mute */ if (!strncmp(template->name, "Master Playback ", 16)) return 1; return 0; } static void se6x_cleanup(struct oxygen *chip) { } static void set_pcm1792a_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { /* nothing to do (the microcontroller monitors DAC_LRCK) */ } static void set_pcm1804_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { } static unsigned int se6x_adjust_dac_routing(struct oxygen *chip, unsigned int play_routing) { /* route the same stereo pair to DAC0 and DAC1 */ return ( play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) | ((play_routing << 2) & OXYGEN_PLAY_DAC1_SOURCE_MASK); } static const struct oxygen_model model_se6x = { .shortname = "Studio Evolution SE6X", .longname = "C-Media Oxygen HD Audio", .chip = "CMI8787", .init = se6x_init, .control_filter = se6x_control_filter, .cleanup = se6x_cleanup, .set_dac_params = set_pcm1792a_params, .set_adc_params = set_pcm1804_params, .adjust_dac_routing = se6x_adjust_dac_routing, .device_config = PLAYBACK_0_TO_I2S | CAPTURE_0_FROM_I2S_1 | CAPTURE_2_FROM_I2S_2 | CAPTURE_3_FROM_I2S_3, .dac_channels_pcm = 2, .function_flags = OXYGEN_FUNCTION_SPI, .dac_mclks = OXYGEN_MCLKS(256, 128, 128), .adc_mclks = OXYGEN_MCLKS(256, 256, 128), .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, .adc_i2s_format = OXYGEN_I2S_FORMAT_I2S, }; static int se6x_get_model(struct oxygen *chip, const struct pci_device_id *pci_id) { chip->model = model_se6x; return 0; } static int se6x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; int err; if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { ++dev; return -ENOENT; } err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE, se6x_ids, se6x_get_model); if (err >= 0) ++dev; return err; } static struct pci_driver se6x_driver = { .name = KBUILD_MODNAME, .id_table = se6x_ids, .probe = se6x_probe, .remove = oxygen_pci_remove, #ifdef CONFIG_PM_SLEEP .driver = { .pm = &oxygen_pci_pm, }, #endif .shutdown = oxygen_pci_shutdown, }; module_pci_driver(se6x_driver); t>mode:
authorStanislaw Gruszka <sgruszka@redhat.com>2017-01-29 12:40:52 +0100
committerKalle Valo <kvalo@codeaurora.org>2017-01-31 09:08:52 +0200
commit33e962c8871f015f5c8978384553dddcf5b81b22 (patch)
tree43aff96c2ee21d9e0fa2018457778a4de52053cd /drivers/usb/serial/io_ti.h
parent575ddce0507789bf9830d089557d2199d2f91865 (diff)
rt2x00: fix clk_get call
clk_get() takes two arguments and might return ERR_PTR(), so we have to nullify pointer on that case, to do not break further call to clk_get_rate(). Reported-by: Felix Fietkau <nbd@nbd.name> Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices") Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/usb/serial/io_ti.h')